Official Paper

SSC JE Electrical 05 Jun 2024 Shift 3 Official Paper - 1 (Previous Year Paper)

200 questions · 120 minutes · with answers · free

Attempt as Timed Mock Test

General Intelligence and Reasoning (50 questions)

1

In a certain code language,

'A + B' means 'A is the mother of B',

'A - B' means 'A is the brother of B',

'A × B' means 'A is the wife of B', and

'A ÷ B' means 'A is the father of B'.

How is T related to O if 'P + N - S ÷ O + M × T'?

  1. ((a))

    Daughter's husband

  2. ((b))

    Son

  3. ((c))

    Son's son

  4. ((d))

    Daughter's son

Show Answer
Answer: ((a))

Daughter's husband

2

What should come in place of the question mark (?) in the given series?

25, 30, 40, 55, 75, ?

  1. ((a))

    100

  2. ((b))

    105

  3. ((c))

    90

  4. ((d))

    95

Show Answer
Answer: ((a))

100

3

Select the set in which the numbers are related in the same way as are the numbers of the following sets.

(NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g. 13 - Operations on 13 such as adding/subtracting/multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.)

(12, 8, 28)

(34, 9, 52)

  1. ((a))

    (62, 11, 84)

  2. ((b))

    (49, 12, 71)

  3. ((c))

    (15, 25, 60)

  4. ((d))

    (54, 13, 70)

Show Answer
Answer: ((a))

(62, 11, 84)

4

What should come in place of the question mark (?) in the given series?

14, 19, 29, 44, 64, ?

  1. ((a))

    84

  2. ((b))

    88

  3. ((c))

    89

  4. ((d))

    82

Show Answer
Answer: ((a))

84

5

In a Zoological park, seven giraffes L, M, R, E, V, Z and Y have different heights. R is taller than E but shorter than Y. Z is taller than M but shorter than V. L is taller than R but shorter than V. Y is shorter than M but taller than E. M is shorter than Z. Which among the seven is the shortest?

  1. ((a))

    R

  2. ((b))

    E

  3. ((c))

    L

  4. ((d))

    Y

Show Answer
Answer: ((a))

R

6

What should come in place of the question mark (?) in the given series based on the English alphabetical order?

RJG, NFC, JBY, FXU, ?

  1. ((a))

    BTQ

  2. ((b))

    BSQ

  3. ((c))

    ATQ

  4. ((d))

    ATP

Show Answer
Answer: ((a))

BTQ

7

If A means +, B means -, C means × and D means ÷, then what will come in place of the question mark (?) in the following equation?

21 A 18 D 2 B 3 C 5 = ?

  1. ((a))

    17

  2. ((b))

    16

  3. ((c))

    14

  4. ((d))

    15

Show Answer
Answer: ((a))

17

8

What should come in place of the question mark (?) in the given series based on the English alphabetical order?

HLP, TXB, FJN, RVZ, DHL, ?

  1. ((a))

    PTY

  2. ((b))

    QTY

  3. ((c))

    PTX

  4. ((d))

    QSX

Show Answer
Answer: ((a))

PTY

9

L, M, N, O, P and Q are sitting around a circular table facing the centre (not necessarily in the same order). M is sitting to the immediate right of Q. L is sitting to the immediate left of O. Q is sitting to the immediate right of O. P is sitting to the immediate left of L. Who is sitting to the immediate right of M?

  1. ((a))

    O

  2. ((b))

    P

  3. ((c))

    L

  4. ((d))

    N

Show Answer
Answer: ((a))

O

10

In a certain code language,

'A + B' means 'A is the mother of B',

'A = B' means 'A is the brother of B',

'A × B' means 'A is the wife of B' and

'A > B' means 'A is the father of B'.

How is P related to T if 'P + Q × R > S = T'?

  1. ((a))

    Mother's mother

  2. ((b))

    Mother's sister

  3. ((c))

    Father's mother

  4. ((d))

    Father's mother's sister

Show Answer
Answer: ((a))

Mother's mother

11

Select the option figure that will replace the question mark (?) in the figure given below to complete the pattern.

  1. ((a))

  2. ((b))

  3. ((c))

  4. ((d))

Show Answer
Answer: ((a))

12

What will come in place of the question mark (?) in the following equation if '+' and '-' are interchanged?

63 ÷ 9 - 14 × 11 + 28 = ?

  1. ((a))

    129

  2. ((b))

    133

  3. ((c))

    138

  4. ((d))

    135

Show Answer
Answer: ((a))

129

13

Select the correct option that indicates the arrangement of the following words in a logical and meaningful order.

  1. House
  2. Curtain
  3. Window
  4. Room
  5. Wall
  1. ((a))

    1, 4, 5, 3, 2

  2. ((b))

    1, 3, 4, 2, 5

  3. ((c))

    1, 5, 2, 4, 3

  4. ((d))

    1, 2, 3, 5, 4

Show Answer
Answer: ((a))

1, 4, 5, 3, 2

14

Select the correct mirror image of the given figure when the mirror is placed at OG as shown below.

  1. ((a))

  2. ((b))

  3. ((c))

  4. ((d))

Show Answer
Answer: ((a))

15

Which of the following numbers will replace the question mark (?) in the given series?

30, 31, 36, 45, 62, ?

  1. ((a))

    90

  2. ((b))

    85

  3. ((c))

    87

  4. ((d))

    88

Show Answer
Answer: ((a))

90

16

KSNJ is related to MUPL in a certain way based on the English alphabetical order. In the same way, NVQM is related to PXSO. To which of the following is EMHD related, following the same logic?

  1. ((a))

    GOJF

  2. ((b))

    GOFJ

  3. ((c))

    OGJF

  4. ((d))

    OGFJ

Show Answer
Answer: ((a))

GOJF

17

TILE is related to VLNH in a certain way based on the English alphabetical order. In the same way, RAMP is related to TDOS. To which of the following is SORT related, following the same logic?

  1. ((a))

    URTV

  2. ((b))

    VRTW

  3. ((c))

    URTW

  4. ((d))

    VRTV

Show Answer
Answer: ((a))

URTV

18

Select the option in which the numbers share the same relationship as that shared by the given pairs of numbers.

100 : 20

60 : 12

(NOTE: Operations should be performed on the whole number, without breaking down the numbers into its constituent digits. E.g. 13- Operations on 13 such as adding/subtracting/multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is NOT allowed.)

  1. ((a))

    120 : 12

  2. ((b))

    54 : 6

  3. ((c))

    45 : 9

  4. ((d))

    144 : 12

Show Answer
Answer: ((a))

120 : 12

19

Select the set in which the numbers are related in the same way as are the numbers of the following sets.

(NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g. 13 - Operations on 13 such as adding/subtracting/multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.)

(120, 96, 54)

(108, 84, 42)

  1. ((a))

    (124, 100, 58)

  2. ((b))

    (128, 96, 60)

  3. ((c))

    (116, 92, 62)

  4. ((d))

    (92, 68, 40)

Show Answer
Answer: ((a))

(124, 100, 58)

20

GKHL is related to IMJN in a certain way based on the English alphabetical order. In the same way, KOLP is related to MQNR. To which of the following is NROS related, following the same logic?

  1. ((a))

    TPUQ

  2. ((b))

    TPQU

  3. ((c))

    PTQU

  4. ((d))

    PTUQ

Show Answer
Answer: ((a))

TPUQ

21

In a certain code language, 'BANISH' is coded as '9' and ‘AMORPHOUS' is coded as '12'. What is the code for 'AMNESTY' in the given language?

  1. ((a))

    10

  2. ((b))

    16

  3. ((c))

    11

  4. ((d))

    14

Show Answer
Answer: ((a))

10

22

What should come in place of the question mark (?) in the given series based on the English alphabetical order?

HNL, JPN, LRP, NTR, ?

  1. ((a))

    VPT

  2. ((b))

    VTP

  3. ((c))

    PTV

  4. ((d))

    PVT

Show Answer
Answer: ((a))

VPT

23

16 is related to 225 following a certain logic. Following the same logic, 7 is related to 99. To which of the following is 11 related following the same logic?

(NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into their constituent digits. E.g. 13 - Operations on 13 such as adding/subtracting /multiplying to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.)

  1. ((a))

    155

  2. ((b))

    159

  3. ((c))

    158

  4. ((d))

    150

Show Answer
Answer: ((a))

155

24

In a certain code language, 'TAKERS' is coded as '045%^1' and 'TALKER' is coded as '1*450%'. What is the code for 'L' in the given code language?

  1. ((a))

    5

  2. ((b))

    0

  3. ((c))

    ^

  4. ((d))
Show Answer
Answer: ((a))

5

25

What will come in place of the question mark (?) in the following equation if '+' and '-' are interchanged and '×' and '÷' are interchanged?

20 × 5 - 13 + 3 ÷ 4 = ?

  1. ((a))

    12

  2. ((b))

    10

  3. ((c))

    7

  4. ((d))

    5

Show Answer
Answer: ((a))

12

26

Read the given statements and conclusions carefully. You have to take the given statements to be true even if they seem to be at variance from commonly known facts. You have to decide which conclusion/s logically follow/s from the given statements.

Statements: Some horses are rocks. Some rocks are leaves. No rock is a tree.

Conclusions:

(I) No horse is a tree.

(II) At least some leaves are trees.

  1. ((a))

    Both conclusions (I) and (II) follow.

  2. ((b))

    Neither conclusion (I) nor (II) follows.

  3. ((c))

    Only conclusion (II) follows.

  4. ((d))

    Only conclusion (I) follows.

Show Answer
Answer: ((a))

Both conclusions (I) and (II) follow.

27

In a certain code language, 'he was good' is coded as 'ik bu oy' and 'was she there' is coded as 'bu ha no'. How is 'was' coded in the given language?

  1. ((a))

    ik

  2. ((b))

    no

  3. ((c))

    bu

  4. ((d))

    ha

Show Answer
Answer: ((a))

ik

28

What should come in place of the question mark (?) in the given series based on the English alphabetical order?

SVX, QTV, ORT, MPR, ?

  1. ((a))

    NRP

  2. ((b))

    KNP

  3. ((c))

    KMP

  4. ((d))

    LOR

Show Answer
Answer: ((a))

NRP

29

Which two numbers should be interchanged to make the given equation correct?

(176 ÷ 4) + (22 × 8) − (2 × 20) = 70

(Note: Interchange should be done of entire number and not individual digits of a given number)

  1. ((a))

    4 and 8

  2. ((b))

    2 and 4

  3. ((c))

    22 and 20

  4. ((d))

    2 and 8

Show Answer
Answer: ((a))

4 and 8

30

42 is related to 21 following a certain logic. Following the same logic, 26 is related to 13. To which of the following is 68 related following the same logic?

(NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g. 13 - Operations on 13 such as adding /subtracting /multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.)

  1. ((a))

    30

  2. ((b))

    32

  3. ((c))

    34

  4. ((d))

    36

Show Answer
Answer: ((a))

30

31

L, M, N, O, P, Q, and R are sitting around a circular table, facing the centre. L sits second to the right of M. N sits third to the right of L. O sits second to the left of N. P is not an immediate neighbour of N. Q sits to the immediate right of O.

How many people are sitting between L and R when counted from the left of L?

  1. ((a))

    One

  2. ((b))

    Three

  3. ((c))

    Zero

  4. ((d))

    Two

Show Answer
Answer: ((a))

One

32

Select the figure from the options that can replace the question mark (?) and complete the given pattern.

  1. ((a))

  2. ((b))

  3. ((c))

  4. ((d))

Show Answer
Answer: ((a))

33

The position(s) of how many letters will remain unchanged if each of the letters in the word 'HANGOVER' is arranged in alphabetical order?

  1. ((a))

    Zero

  2. ((b))

    Four

  3. ((c))

    Three

  4. ((d))

    Two

Show Answer
Answer: ((a))

Zero

34

Select the word-pair that best represents a similar relationship to the one expressed in the pair of words given below.

(The words must be considered as meaningful English words and must not be related to each other based on the number of letters/number of consonants/vowels in the word.)

Cockroach: Nymph

  1. ((a))

    Bear : Foal

  2. ((b))

    Sheep : Fawn

  3. ((c))

    Horse : Chick

  4. ((d))

    Swan : Cygnet

Show Answer
Answer: ((a))

Bear : Foal

35

Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusion(s) logically follow(s) from the statements.

Statements: Some pens are red. All red are blue.

Conclusion 1: All pens are blue.

Conclusion 2: Some pens are not red.

  1. ((a))

    Neither conclusion 1 nor 2 follows

  2. ((b))

    Only conclusion 2 follows

  3. ((c))

    Both conclusion 1 and 2 follow

  4. ((d))

    Only conclusion 1 follows

Show Answer
Answer: ((a))

Neither conclusion 1 nor 2 follows

36

Rahul walked 20 m towards the north. Then he turned right and walked 20 m. Then he turned right and walked 10 m. He then turned right and walked 10 m. In what direction is he headed?

  1. ((a))

    South

  2. ((b))

    East

  3. ((c))

    North

  4. ((d))

    West

Show Answer
Answer: ((a))

South

37

HGCA is related to LKGE in a certain way based on the English alphabetical order. In the same way, BKOM is related to FOSQ. To which of the following is NSJD related, following the same logic?

  1. ((a))

    PLNH

  2. ((b))

    LPRY

  3. ((c))

    RWNH

  4. ((d))

    HSRD

Show Answer
Answer: ((a))

PLNH

38

Select the option figure in which the given figure is embedded as its part (rotation is NOT allowed).

  1. ((a))

  2. ((b))

  3. ((c))

  4. ((d))

Show Answer
Answer: ((a))

39

What should come in place of the question mark (?) in the given series based on the English alphabetical order?

MGA, HBV, CWQ, XRL, ?

  1. ((a))

    SGM

  2. ((b))

    SMG

  3. ((c))

    GMS

  4. ((d))

    GSM

Show Answer
Answer: ((a))

SGM

40

Select the correct mirror image of the given figure when the mirror is placed at MN as shown below.

  1. ((a))

  2. ((b))

  3. ((c))

  4. ((d))

Show Answer
Answer: ((a))

41

FJGK is related to HLIM in a certain way based on the English alphabetical order. In the same way, IMJN is related to KOLP. To which of the following is OSPT related, following the same logic?

  1. ((a))

    QVRU

  2. ((b))

    QURV

  3. ((c))

    QVUR

  4. ((d))

    QUVR

Show Answer
Answer: ((a))

QVRU

42

Aishwarya starts from her office in north direction. She turns to her left then to her right and finally after walking some more, she turns to her left. In which direction is she facing now?

  1. ((a))

    West

  2. ((b))

    East

  3. ((c))

    South

  4. ((d))

    North

Show Answer
Answer: ((a))

West

43

The position of how many letters will remain unchanged if each of the letters in the word CLOSURE is arranged in the English alphabetical order?

  1. ((a))

    One

  2. ((b))

    Two

  3. ((c))

    Three

  4. ((d))

    Four

Show Answer
Answer: ((a))

One

44

Select the option in which the given figure is embedded (rotation is NOT allowed).

  1. ((a))

  2. ((b))

  3. ((c))

  4. ((d))

Show Answer
Answer: ((a))

45

How many triangles are there in the given figure?

  1. ((a))

    16

  2. ((b))

    12

  3. ((c))

    14

  4. ((d))

    18

Show Answer
Answer: ((a))

16

46

42 is related to 14 following a certain logic. Following the same logic, 33 is related to 11. To which of the following is 75 related following the same logic?

(NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g. 13 - Operations on 13 such as adding/subtracting/multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.)

  1. ((a))

    15

  2. ((b))

    25

  3. ((c))

    35

  4. ((d))

    45

Show Answer
Answer: ((a))

15

47

Select the correct option that indicates the arrangement of the following words in a logical and meaningful order.

  1. School
  2. Graduation
  3. Birth
  4. Doctorate
  5. Under-graduation
  1. ((a))

    3, 1, 5, 2, 4

  2. ((b))

    1, 5, 3, 2, 4

  3. ((c))

    4, 1, 3, 2, 5

  4. ((d))

    3, 5, 1, 4, 2

Show Answer
Answer: ((a))

3, 1, 5, 2, 4

48

What should come in place of the question mark (?) in the given series based on the English alphabetical order?

STA, WXE, ABI, EFM, ?

  1. ((a))

    JPS

  2. ((b))

    JIS

  3. ((c))

    IJQ

  4. ((d))

    KKP

Show Answer
Answer: ((a))

JPS

49

In a certain code language, 'HIDE' is coded as '3795' and 'DOWN' is coded as '4287'. What is the code for 'D' in the given code language?

  1. ((a))

    2

  2. ((b))

    4

  3. ((c))

    7

  4. ((d))

    9

Show Answer
Answer: ((a))

2

50

MK 4 is related to OM 2 in a certain way. In the same way, QS 6 is related to SU 3. To which of the following is XU 8 related, following the same logic?

  1. ((a))

    ZW 4

  2. ((b))

    GX 5

  3. ((c))

    ST 5

  4. ((d))

    XE 7

Show Answer
Answer: ((a))

ZW 4

General Awareness (50 questions)

51

On cold pressing groundnut, oils are released. This indicates the presence of ______.

  1. ((a))

    Carbohydrates

  2. ((b))

    Fats

  3. ((c))

    Vitamins

  4. ((d))

    Proteins

Show Answer
Answer: ((a))

Carbohydrates

52

After realising the deadly effects of depleting the ozone layer, under which programme was the decision taken to ban the usage of CFC?

  1. ((a))

    United Nations Development Programme

  2. ((b))

    Natural State Environmental Programme

  3. ((c))

    United Nations Environment Programme

  4. ((d))

    Federal Energy Management Programme

Show Answer
Answer: ((a))

United Nations Development Programme

53

The largest river system of Rajasthan is _______.

  1. ((a))

    Luni

  2. ((b))

    Tapi

  3. ((c))

    Bhima

  4. ((d))

    Kaveri

Show Answer
Answer: ((a))

Luni

54

In which year was the Integrated Child Development Scheme (ICDS) launched in India?

  1. ((a))

    1984

  2. ((b))

    1975

  3. ((c))

    1978

  4. ((d))

    1982

Show Answer
Answer: ((a))

1984

55

On which date did the cantonment of Meerut break out in military mutiny during the 1857 movement?

  1. ((a))

    10 May 1857

  2. ((b))

    30 May 1857

  3. ((c))

    09 April 1857

  4. ((d))

    30 March 1857

Show Answer
Answer: ((a))

10 May 1857

56

When two nuclei fuse together forming one nucleus during cell fusion, it is known as:

  1. ((a))

    synkaryon

  2. ((b))

    eukaryon

  3. ((c))

    heterokaryon

  4. ((d))

    syncytium

Show Answer
Answer: ((a))

synkaryon

57

The Arid soils are developed in the western part of which state from the following?

  1. ((a))

    Bihar

  2. ((b))

    Rajasthan

  3. ((c))

    Telangana

  4. ((d))

    Assam

Show Answer
Answer: ((a))

Bihar

58

According to Census 2011 of India, which of the following groups of union territories has the highest urban population?

  1. ((a))

    Chandigarh and Lakshadweep

  2. ((b))

    Daman & Diu and Lakshadweep

  3. ((c))

    Puducherry and Lakshadweep

  4. ((d))

    Puducherry and Chandigarh

Show Answer
Answer: ((a))

Chandigarh and Lakshadweep

59

Which word has been substituted for the words 'Unity of the Nation' in the 42nd Amendment Act of the Preamble of the Constitution of India?

  1. ((a))

    Unity and honesty of the nation

  2. ((b))

    Unity and equity of the nation

  3. ((c))

    Unity and integrity of the nation

  4. ((d))

    Unity and morality of the nation

Show Answer
Answer: ((a))

Unity and honesty of the nation

60

What is the main content of the Fourth Schedule in the Constitution of India?

  1. ((a))

    Directive Principles of State Policy

  2. ((b))

    Allocation of seats in the Council of States

  3. ((c))

    Provisions for State Legislature

  4. ((d))

    Allocation of seats in the Lok Sabha

Show Answer
Answer: ((a))

Directive Principles of State Policy

61

Which of the following states has launched the 'Mo Ghara' or 'My Home' scheme, with an aim to transform kutcha houses into pucca ones?

  1. ((a))

    Jharkhand

  2. ((b))

    Odisha

  3. ((c))

    Chhattisgarh

  4. ((d))

    West Bengal

Show Answer
Answer: ((a))

Jharkhand

62

What does the CONCATENATE function do in Microsoft Excel?

  1. ((a))

    Combines text from multiple cells into one cell

  2. ((b))

    Splits text into separate cells

  3. ((c))

    Converts text to uppercase

  4. ((d))

    Finds the average of a range of cells

Show Answer
Answer: ((a))

Combines text from multiple cells into one cell

63

In the 1830's, which Scottish man was Commissioned by the East India Company to prepare reports on Education and progress in the native schools of Bengal and Bihar?

  1. ((a))

    Anthony Mc Donnel

  2. ((b))

    William Adam

  3. ((c))

    John Sargent

  4. ((d))

    Joseph Hartog

Show Answer
Answer: ((a))

Anthony Mc Donnel

64

Before starting a 5 day and 5 night excursion, Mr. Patel provided all his students with battery powered flash lights. He also gave them some extra batteries to use as spare. Then Mr. Patel asked them whether they know how the batteries will produce electricity and help them. What do you think the correct answer to his question is?

  1. ((a))

    Electricity is produced by the chemicals stored in the battery

  2. ((b))

    Electricity is produced by friction between the battery and the flash light

  3. ((c))

    Electricity is saved in the battery from the factory that produces it

  4. ((d))

    Battery extracts electricity from the environment and passes it to the flash light

Show Answer
Answer: ((a))

Electricity is produced by the chemicals stored in the battery

65

A village is established in a region where land meets the ocean. What is this region called?

  1. ((a))

    Sea Beach

  2. ((b))

    Tropical Region

  3. ((c))

    Coastal Region

  4. ((d))

    Marshy Land

Show Answer
Answer: ((a))

Sea Beach

66

When was the First Five-Year Plan of India launched?

  1. ((a))

    1950

  2. ((b))

    1951

  3. ((c))

    1956

  4. ((d))

    1961

Show Answer
Answer: ((a))

1950

67

Which one of the following has the largest population in a food chain?

  1. ((a))

    Decomposers

  2. ((b))

    Producers

  3. ((c))

    Primary consumers

  4. ((d))

    Secondary consumers

Show Answer
Answer: ((a))

Decomposers

68

In 2023, who among the following individuals served as the governor of Telangana?

  1. ((a))

    Tamilisai Soundararajan

  2. ((b))

    Kalraj Mishra

  3. ((c))

    Ganesh Lal

  4. ((d))

    Baby Rani Maurya

Show Answer
Answer: ((a))

Tamilisai Soundararajan

69

Food digested in the stomach passes through the intestines so that the blood vessels can absorb essential nutrients for the functioning and growth of the body. What is this process known as?

  1. ((a))

    Transmission

  2. ((b))

    Assimilation

  3. ((c))

    Transfusion

  4. ((d))

    Integration

Show Answer
Answer: ((a))

Transmission

70

The process by which molecules from a region of higher concentration move to a region of lower concentration is known as:

  1. ((a))

    evaporation

  2. ((b))

    boiling

  3. ((c))

    diffusion

  4. ((d))

    melting

Show Answer
Answer: ((a))

evaporation

71

Based on which committee recommendations, RBI introduced a comprehensive regulatory framework for NBFC-MFIs?

  1. ((a))

    Gadgil committee

  2. ((b))

    Malegam committee

  3. ((c))

    Kelkar committee

  4. ((d))

    Rangarajan committee

Show Answer
Answer: ((a))

Gadgil committee

72

In the context of a Microsoft Excel sheet, what does the term 'workbook' mean?

  1. ((a))

    A single sheet within a file

  2. ((b))

    The entire Microsoft Excel file

  3. ((c))

    A formula used in calculations

  4. ((d))

    A chart or graph

Show Answer
Answer: ((a))

A single sheet within a file

73

Which chemical compound is responsible for the spicy taste in chilli peppers?

  1. ((a))

    Capsaicin

  2. ((b))

    Caffeine

  3. ((c))

    Ethanol

  4. ((d))

    Tannin

Show Answer
Answer: ((a))

Capsaicin

74

Which of the following is an example of formation of metamorphic rocks?

  1. ((a))

    Formation of Sandstone

  2. ((b))

    Formation of Limestone

  3. ((c))

    Formation of Slate

  4. ((d))

    Formation of Chalk

Show Answer
Answer: ((a))

Formation of Sandstone

75

Which species of sponges is commonly called glass sponge due to the presence of silica spicules?

  1. ((a))

    Calcarea

  2. ((b))

    Planaria

  3. ((c))

    Euplectella

  4. ((d))

    Spongilla

Show Answer
Answer: ((a))

Calcarea

76

Kala Ramnath is associated with which of the following gharanas?

  1. ((a))

    Bhendibazaar gharana

  2. ((b))

    Mewati gharana

  3. ((c))

    Agra gharana

  4. ((d))

    Indore gharana

Show Answer
Answer: ((a))

Bhendibazaar gharana

77

Who composed the music for the film Kashmir ki Kali?

  1. ((a))

    Naushad

  2. ((b))

    Hemant Kumar

  3. ((c))

    Salil Chowdhury

  4. ((d))

    OP Nayyar

Show Answer
Answer: ((a))

Naushad

78

Which of the following is NOT included while estimating National Income?

  1. Goods sold by street hawkers
  2. Services of housewives
  3. Production of vegetable in kitchen garden
  1. ((a))

    2 and 3

  2. ((b))

    1, 2, and 3

  3. ((c))

    1 and 2

  4. ((d))

    3 Only

Show Answer
Answer: ((a))

2 and 3

79

Who marked the historic moment by unveiling the 'Yashobhoomi' convention centre in Delhi in September 2023?

  1. ((a))

    Arvind Kejriwal

  2. ((b))

    Dharmendra Pradhan

  3. ((c))

    Narendra Modi

  4. ((d))

    Droupadi Murmu

Show Answer
Answer: ((a))

Arvind Kejriwal

80

Who along with Barry Marshall, was awarded the Nobel Prize in Physiology or Medicine in 2005 for discovering that stomach ulcer is an infectious disease caused by bacteria?

  1. ((a))

    Jean Paul Vuillemin

  2. ((b))

    Robert Koch

  3. ((c))

    Gabriel Pouchet

  4. ((d))

    Robin Warren

Show Answer
Answer: ((a))

Jean Paul Vuillemin

81

In which of the following groups of the periodic table is the metallic element 'silver' found?

  1. ((a))

    Group 15

  2. ((b))

    Group 7

  3. ((c))

    Group 11

  4. ((d))

    Group 3

Show Answer
Answer: ((a))

Group 15

82

Who is the ultimate interpreter of the Constitution?

  1. ((a))

    Speaker

  2. ((b))

    Supreme Court

  3. ((c))

    District Courts

  4. ((d))

    President

Show Answer
Answer: ((a))

Speaker

83

What was the main objection against the Directive Principles of State Policy in the Constituent Assembly?

  1. ((a))

    They were considered as novel features

  2. ((b))

    They were non justiciable in character

  3. ((c))

    They were an instrument of instructions

  4. ((d))

    The state was responsible for these policies

Show Answer
Answer: ((a))

They were considered as novel features

84

India defeated West Indies in which of the following World Cup finals?

  1. ((a))

    1983 England

  2. ((b))

    2007 West Indies

  3. ((c))

    2019 England

  4. ((d))

    2003 South Africa

Show Answer
Answer: ((a))

1983 England

85

Which Minister led the Indian delegation in the meeting of the digital and technology ministers of G7 countries held in Japan on 29 and 30 April 2023?

  1. ((a))

    Ashwini Vaishnaw

  2. ((b))

    Ajay Bhatt

  3. ((c))

    Bhupendra Yadav

  4. ((d))

    Sarbananda Sonowal

Show Answer
Answer: ((a))

Ashwini Vaishnaw

86

Who among the following scientists discovered free living cells in pond water for the first time?

  1. ((a))

    Robert Hooke

  2. ((b))

    Robert Brown

  3. ((c))

    Anton Van Leeuwenhoek

  4. ((d))

    Franz Bauer

Show Answer
Answer: ((a))

Robert Hooke

87

Which of the following sports events was NEVER hosted by India?

  1. ((a))

    Commonwealth Games

  2. ((b))

    Olympics

  3. ((c))

    ICC Men World Cup Cricket

  4. ((d))

    Asian Games

Show Answer
Answer: ((a))

Commonwealth Games

88

The Registration of Births and Deaths (Amendment) Bill was introduced in the Lok Sabha by which ministry on 26 July 2023?

  1. ((a))

    Ministry of Home Affairs

  2. ((b))

    Ministry of Women and Child Development

  3. ((c))

    Ministry of Health and Family Welfare

  4. ((d))

    Ministry of Information and Broadcasting

Show Answer
Answer: ((a))

Ministry of Home Affairs

89

According to Census of India 2011, which state recorded negative population growth rate?

  1. ((a))

    Manipur

  2. ((b))

    Nagaland

  3. ((c))

    Sikkim

  4. ((d))

    Kerala

Show Answer
Answer: ((a))

Manipur

90

A low pitched but louder sound has _______.

  1. ((a))

    lower frequency and higher amplitude

  2. ((b))

    higher frequency and lower amplitude

  3. ((c))

    lower frequency and lower amplitude

  4. ((d))

    higher frequency and higher amplitude

Show Answer
Answer: ((a))

lower frequency and higher amplitude

91

The Pala rulers achieved their domination in which province of India?

  1. ((a))

    Assam

  2. ((b))

    Bengal

  3. ((c))

    Orissa

  4. ((d))

    Kashmir

Show Answer
Answer: ((a))

Assam

92

Which Nationalist Democratic Progressive Party (NDPP) leader was sworn in as the fifth Chief Minister of Nagaland in March 2023?

  1. ((a))

    Wanweiroy Kharlukhi

  2. ((b))

    Chingwang Konyak

  3. ((c))

    Tokheho Yepthomi

  4. ((d))

    Neiphiu Rio

Show Answer
Answer: ((a))

Wanweiroy Kharlukhi

93

Who inspired Indians by raising the slogan 'Freedom is my birthright and I shall have it!'?

  1. ((a))

    Swami Vivekananda

  2. ((b))

    Sachindra Nath Sanyal

  3. ((c))

    Bhagat Singh

  4. ((d))

    Bal Gangadhar Tilak

Show Answer
Answer: ((a))

Swami Vivekananda

94

Pascal is the SI unit of _______, which is defined as a force of 1 N applied uniformly over an area of 1 m2.

  1. ((a))

    pressure

  2. ((b))

    mass density

  3. ((c))

    power

  4. ((d))

    energy

Show Answer
Answer: ((a))

pressure

95

The animals or plants which can inbreed successfully must belong to the same _______.

  1. ((a))

    species

  2. ((b))

    planet

  3. ((c))

    locality

  4. ((d))

    country

Show Answer
Answer: ((a))

species

96

What is the height of the Kanchenjunga peak?

  1. ((a))

    8859 m

  2. ((b))

    8958 m

  3. ((c))

    8598 m

  4. ((d))

    8527 m

Show Answer
Answer: ((a))

8859 m

97

In which Union Territory is the 'slash and burn' agriculture known as 'Dipa'?

  1. ((a))

    Jammu and Kashmir

  2. ((b))

    Ladakh

  3. ((c))

    Dadra & Nagar Haveli and Daman & Diu

  4. ((d))

    Andaman and Nicobar Islands

Show Answer
Answer: ((a))

Jammu and Kashmir

98

According to Article 58 of the Constitution of India, no person shall be eligible for election as President unless he is a citizen of India, has completed the age of _______ and is qualified for election as a member of the House of the People.

  1. ((a))

    27 years

  2. ((b))

    30 years

  3. ((c))

    35 years

  4. ((d))

    40 years

Show Answer
Answer: ((a))

27 years

99

"Meri LiFE" (My life) app was launched in May 2023 by union minister Shri Bhupender Yadav. Which ministry does he belong?

  1. ((a))

    Ministry of Earth Sciences

  2. ((b))

    Ministry of Environment, Forest and Climate Change

  3. ((c))

    Ministry of Agriculture and Farmers Welfare

  4. ((d))

    Ministry of Health and Family Welfare

Show Answer
Answer: ((a))

Ministry of Earth Sciences

100

What is the name of the compound with the formula N2O5?

  1. ((a))

    Nitrogen dioxide

  2. ((b))

    Nitric oxide

  3. ((c))

    Dinitrogen pentoxide

  4. ((d))

    Nitrous oxide

Show Answer
Answer: ((a))

Nitrogen dioxide

Electrical Engineering (100 questions)

101

In nominal pi method, the line to neutral capacitance is:

  1. ((a))

    divided into two halves

  2. ((b))

    assumed lumped at the sending end

  3. ((c))

    assumed lumped at the receiving end

  4. ((d))

    assumed lumped at the midpoint

Show Answer
Answer: ((a))

divided into two halves

102

In an electrodynamic instrument, what happens to the torque when the current flowing through the coil is decreased?

  1. ((a))

    The torque becomes zero.

  2. ((b))

    The torque increases.

  3. ((c))

    The torque remains constant.

  4. ((d))

    The torque decreases.

Show Answer
Answer: ((a))

The torque becomes zero.

103

Which of the following statements are correct about DC welding machines-MG Set?

I) It uses non-coated type electrodes; hence the cost of electrode is cheap.

II) It uses coated type electrodes; hence the electrode is expensive.

III) It is best suited for welding thinner sheets (6 mm).

IV) The initial cost of the machine is less compared to AC welding machine.

  1. ((a))

    II and III

  2. ((b))

    I and III

  3. ((c))

    II and IV

  4. ((d))

    I and IV

Show Answer
Answer: ((a))

II and III

104

As per the general principles of estimating, whenever practicable, it is advantageous to execute the work only after ______.

  1. ((a))

    payments of bills are made

  2. ((b))

    tenders are invited

  3. ((c))

    tenders are evaluated

  4. ((d))

    purchase orders are placed

Show Answer
Answer: ((a))

payments of bills are made

105

Which of the following is a pure resistive device?

  1. ((a))

    Heater

  2. ((b))

    Motor

  3. ((c))

    Generator

  4. ((d))

    Transformer

Show Answer
Answer: ((a))

Heater

106

What is the reactive power of a 3-phase, delta-connected system with line voltage of 100 V and line current of 40 A if the phase difference between the voltage and the current is 36.87°?

  1. ((a))

    4.155 KVAR

  2. ((b))

    6.155 KVAR

  3. ((c))

    2.155 KVAR

  4. ((d))

    8.155 KVAR

Show Answer
Answer: ((a))

4.155 KVAR

107

A capacitor of capacitive reactance 5 Ω is connected across a 220V, 50Hz supply. Calculate the maximum current drawn by the capacitor.

  1. ((a))

    442,A\rm 44\sqrt2, A

  2. ((b))

    40 A

  3. ((c))

    44 A

  4. ((d))

    100 A

Show Answer
Answer: ((a))

442,A\rm 44\sqrt2, A

108

Which of the following statements is/are accurate regarding working principle of a reluctance start motor?

  1. In reluctance, motor reluctance torque can occur once a ferromagnetic object is located within an exterior magnetic field, then the object can be line up through the external magnetic field.
  2. The torque can be generated among the two fields which twirling the object in the region of the line through the magnetic field so the torque is used on the object to provide less reluctance for the magnetic flux.
  1. ((a))

    Only 1 is true

  2. ((b))

    Both 1 and 2 are true

  3. ((c))

    Both 1 and 2 are not true

  4. ((d))

    Only 2 is true

Show Answer
Answer: ((a))

Only 1 is true

109

Which of the following photometric quantities measures the total amount of visible light emitted by a source in all directions?

  1. ((a))

    Luminance

  2. ((b))

    Illuminance

  3. ((c))

    Luminous intensity

  4. ((d))

    Luminous flux

Show Answer
Answer: ((a))

Luminance

110

In electrical installation and costing, which of the following is NOT a scope of national electrical code?

  1. ((a))

    General safety procedure

  2. ((b))

    Recommendations concerning safety

  3. ((c))

    Distinguishing of fundamental components

  4. ((d))

    Standard good practices

Show Answer
Answer: ((a))

General safety procedure

111

The Fermi level position ________ in the energy band diagram of a p-n junction at equilibrium states.

  1. ((a))

    does not exist

  2. ((b))

    is constant for electrons to cross the junction

  3. ((c))

    is uphill for electrons to cross the junction

  4. ((d))

    is downhill for electrons to cross the junction

Show Answer
Answer: ((a))

does not exist

112

Slip is 1 when rotor is ______.

  1. ((a))

    rotating at a speed lower than synchronous speed

  2. ((b))

    rotating with synchronous speed

  3. ((c))

    stationary

  4. ((d))

    rotating at a speed higher than synchronous speed

Show Answer
Answer: ((a))

rotating at a speed lower than synchronous speed

113

An ideal BJT acts as an open switch when: 

  1. ((a))

    VCE = VBC and IC = 10 mA

  2. ((b))

    VCE = VCC and IC = 0

  3. ((c))

    VBE = VCC and lB = 50 μA

  4. ((d))

    VCE = 0 and IC = 10 mA

Show Answer
Answer: ((a))

VCE = VBC and IC = 10 mA

114

Which of the following is correct with reference to step up single-phase transformer? 

  1. ((a))

    Turn ratio = Transformation ratio

  2. ((b))

    Turn ratio ≠ Transformation ratio 

  3. ((c))

    Turn ratio > Transformation ratio

  4. ((d))

    Turn ratio < Transformation ratio

Show Answer
Answer: ((a))

Turn ratio = Transformation ratio

115

In an induction motor if the rotor is locked, then the rotor frequency of the induction motor will be:

  1. ((a))

    zero

  2. ((b))

    equal to supply frequency

  3. ((c))

    less than supply frequency 

  4. ((d))

    more than supply frequency

Show Answer
Answer: ((a))

zero

116

I, R, XL, VR and cosϕR represent voltage regulation, line current, line resistance, line reactance, receiving end voltage and load power factor of transmission line, respectively. Also, receiving end voltage is more than the sending end voltage. Identify the correct expression for the leading load power factor.

  1. ((a))

    IR COSϕR = IXLCOSϕR

  2. ((b))

    IR COSϕR > IXLCOSϕR

  3. ((c))

    IR COSϕR < IXLCOSϕR

  4. ((d))

    IR COSϕR >> IXLCOSϕR

Show Answer
Answer: ((a))

IR COSϕR = IXLCOSϕR

117

In an unbiased PNP transistor, the barrier voltages are ______ on the base and ______ on the emitter and collector.

  1. ((a))

    positive; negative

  2. ((b))

    positive; positive

  3. ((c))

    negative; positive

  4. ((d))

    negative; negative

Show Answer
Answer: ((a))

positive; negative

118

The wattmeter method is used to measure power in a three-phase load. The wattmeter readings are 200 W and -35 W. Find the respective values of active power and reactive power.

  1. ((a))

    165 W and 2353235\sqrt3 VAR

  2. ((b))

    235 W and 50350\sqrt3 VAR

  3. ((c))

    235 W and 1503\frac{150}{\sqrt3} VAR

  4. ((d))

    165 W and 503\frac{50}{\sqrt3} VAR

Show Answer
Answer: ((a))

165 W and 2353235\sqrt3 VAR

119

The efficiency of a transmission line is _________.

  1. ((a))

    increased with decrease in load p.f

  2. ((b))

    increased with increase in load p.f.

  3. ((c))

    decreased with increase in load p.f. 

  4. ((d))

    independent of load p.f.

Show Answer
Answer: ((a))

increased with decrease in load p.f

120

In the shaded-pole induction motor, the shading coil fitted on the _________ is called _________. 

  1. ((a))

    auxiliary pole; shading pole

  2. ((b))

    auxiliary pole; non-shading pole

  3. ((c))

    main pole; shading pole

  4. ((d))

    main pole; non-shading pole

Show Answer
Answer: ((a))

auxiliary pole; shading pole

121

Which of the following is NOT broadly classified as a part of agrochemicals?

  1. ((a))

    Insecticides

  2. ((b))

    Herbicides

  3. ((c))

    Fungicides

  4. ((d))

    Digesicides

Show Answer
Answer: ((a))

Insecticides

122

In radial distribution system, the consumers are dependent on ______ and ______.

  1. ((a))

    multiple feeder, multiple distributor

  2. ((b))

    single feeder, single distributor

  3. ((c))

    single feeder, multiple distributor

  4. ((d))

    multiple feeder, single distributor

Show Answer
Answer: ((a))

multiple feeder, multiple distributor

123

The ratio of the mean spherical candle power to the mean horizontal candle power is called _______.

  1. ((a))

    utilization factor

  2. ((b))

    lamp efficiency

  3. ((c))

    reduction factor

  4. ((d))

    beam factor

Show Answer
Answer: ((a))

utilization factor

124

Which of the following effects is predominant when a dielectric material is polarised?

  1. ((a))

    It causes current to flow in the material.

  2. ((b))

    It makes charged particles free to move.

  3. ((c))

    Charged particles re-orientate themselves in the out phase with the electric field.

  4. ((d))

    It makes charged particles free to move and causes current to flow in the material.

Show Answer
Answer: ((a))

It causes current to flow in the material.

125

The plant capacity factor is related to ________.

  1. ((a))

    plant impedance

  2. ((b))

    plant operating frequency

  3. ((c))

    plant resistance

  4. ((d))

    plant reactance

Show Answer
Answer: ((a))

plant impedance

126

In an inductor, if the coil is wound on an insulating bobbin, without any magnetic material as core, then the inductor is called ______.

  1. ((a))

    variable inductor

  2. ((b))

    ferrite-cored inductor

  3. ((c))

    air-cored inductor

  4. ((d))

    iron-cored inductor

Show Answer
Answer: ((a))

variable inductor

127

Which crop is primarily used to produce biomass alcohol fuel or ethanol in India?

  1. ((a))

    Rice

  2. ((b))

    Corn

  3. ((c))

    Wheat

  4. ((d))

    Sugarcane

Show Answer
Answer: ((a))

Rice

128

In ring distribution scheme, ______ of a ______ transformer form a loop.

  1. ((a))

    primaries, power

  2. ((b))

    primaries, distribution

  3. ((c))

    secondaries, power

  4. ((d))

    secondaries, distribution

Show Answer
Answer: ((a))

primaries, power

129

Which of the following statements are true regarding the DC load line?

a) It is a straight line drawn between IC and VCE.

b) The quiescent point lies on the load line.

c) In the DC load line, when the collector emitter voltage VCE = 0, the collector current is maximum.

  1. ((a))

    Only a and c

  2. ((b))

    Only a and b

  3. ((c))

    All of a, b and c

  4. ((d))

    Only b and c

Show Answer
Answer: ((a))

Only a and c

130

With the increase in voltage level of the distribution network, the weight and corresponding cost of the conductor material will be ______ and ______, respectively, for the same voltage drop.

  1. ((a))

    increased; increased

  2. ((b))

    decreased; decreased

  3. ((c))

    increased; decreased

  4. ((d))

    decreased; increased

Show Answer
Answer: ((a))

increased; increased

131

A certain length of wire has its resistance measured as 20 Ω at 20°C and 40 Ω at 60°C. Calculate the temperature coefficient.

  1. ((a))

    (130),\left(\frac{1}{30}\right),/°C

  2. ((b))

    (160),\left(\frac{1}{60}\right),/°C

  3. ((c))

    30°C

  4. ((d))

    (140),\left(\frac{1}{40}\right),/°C

Show Answer
Answer: ((a))

(130),\left(\frac{1}{30}\right),/°C

132

A signal applied to a CRO has a rising time of 0.5 μs. Its bandwidth is:

  1. ((a))

    0.7 MHz

  2. ((b))

    0.05 MHz

  3. ((c))

    0.07 MHz

  4. ((d))

    0.2 MHz

Show Answer
Answer: ((a))

0.7 MHz

133

A 400 V, 3-phase synchronous motor has armature current of 150 A. It has synchronous resistance and reactance of 0.4 Ω and 4 Ω per phase, respectively. If the power developed is 130 kW and the iron and friction losses are 1 kW, then the efficiency of the motor will be ______.

  1. ((a))

    91.6%

  2. ((b))

    75%

  3. ((c))

    81.6%

  4. ((d))

    60%

Show Answer
Answer: ((a))

91.6%

134

What is the armature-circuit-resistance speed control method for DC motor?

  1. ((a))

    Variation of resistance in the field circuit

  2. ((b))

    Variation of field flux

  3. ((c))

    Variation of armature terminal voltage

  4. ((d))

    Variation of resistance in the armature circuit

Show Answer
Answer: ((a))

Variation of resistance in the field circuit

135

What type of boilers are suitable for low-maintenance cost, small size and low-pressure plants?

  1. ((a))

    High-pressure boilers

  2. ((b))

    Supercritical boilers

  3. ((c))

    Water tube boilers

  4. ((d))

    Fire tube boilers

Show Answer
Answer: ((a))

High-pressure boilers

136

The deflecting torque in an electrostatic instrument can be calibrated by _______.

  1. ((a))

    adjusting the potential difference between the plates

  2. ((b))

    adjusting the damping

  3. ((c))

    adjusting the spring constant

  4. ((d))

    adjusting the frequency

Show Answer
Answer: ((a))

adjusting the potential difference between the plates

137

A Thevenin equivalent source comprises of which of the following elements?

  1. ((a))

    A single current source in parallel with a resistance

  2. ((b))

    A single current source in series with a resistance

  3. ((c))

    A single voltage source in series with a resistance

  4. ((d))

    A single voltage source in parallel with a resistance

Show Answer
Answer: ((a))

A single current source in parallel with a resistance

138

A three-phase star-connected load draws 3600 VAR when the line voltage is 200 V and the line current is 10√3 A. The power factor is ______.

  1. ((a))

    zero

  2. ((b))

    0.8

  3. ((c))

    1

  4. ((d))

    0.6

Show Answer
Answer: ((a))

zero

139

The current reverser in the earth tester converts ______.

  1. ((a))

    AC to AC

  2. ((b))

    AC to DC

  3. ((c))

    DC to DC

  4. ((d))

    DC to AC

Show Answer
Answer: ((a))

AC to AC

140

A conductor of length 5 m moves at an angle 30° to the direction of the magnetic field of flux density 1.4 wb/m2. If the velocity of the conductor is 40 m/s, then calculate the EMF induced in it.

  1. ((a))

    140 volts

  2. ((b))

    0 volt

  3. ((c))

    1400 volts

  4. ((d))

    100 volts

Show Answer
Answer: ((a))

140 volts

141

A 6-pole, 250 V wave connected shunt motor running at 955 rpm has 1200 armature conductors and useful flux/pole of 10m Wb. The armature and field resistance are 0.5 Ω and 250 Ω, respectively. If the motor draws 20 A from the supply mains, then the value of torque developed by the motor is ______.

  1. ((a))

    65.8 N-m

  2. ((b))

    45.6 N-m

  3. ((c))

    57.9 N-m

  4. ((d))

    62.3 N-m

Show Answer
Answer: ((a))

65.8 N-m

142

In electromagnetism, the magnetic field set up by a steady current density is described by _______.

  1. ((a))

    Ohm's law

  2. ((b))

    Laplace's law

  3. ((c))

    Faraday's law

  4. ((d))

    Lenz's law

Show Answer
Answer: ((a))

Ohm's law

143

What is the primary purpose of a back-to-back power electronic converter (PEC) in type-C doubly-fed induction generator wind power plants?

  1. ((a))

    To match stator and rotor frequencies

  2. ((b))

    To control reactive power production

  3. ((c))

    To regulate wind turbine speed

  4. ((d))

    To convert mechanical power to electrical power

Show Answer
Answer: ((a))

To match stator and rotor frequencies

144

For a D-MOSFET when biased at VGS = 0 V having IDSS =30 mA and VGS (off) = -6V, the drain current is equal to ______.

  1. ((a))

    0 mA

  2. ((b))

    infinite

  3. ((c))

    20 mA

  4. ((d))

    30 mA

Show Answer
Answer: ((a))

0 mA

145

Cold reserve is the reserve capacity of the plant in ______ but NOT in ______.

  1. ((a))

    operation, service

  2. ((b))

    service, operation

  3. ((c))

    service, service

  4. ((d))

    operation, operation

Show Answer
Answer: ((a))

operation, service

146

In the context of electromagnetism, according to Fleming's left-hand rule, the thumb indicates the _______.

  1. ((a))

    direction of the magnetic field

  2. ((b))

    direction of the current

  3. ((c))

    length of the conductor

  4. ((d))

    direction of the motion of the conductor

Show Answer
Answer: ((a))

direction of the magnetic field

147

In estimation and costing, the estimator must understand production cost, including labour and material cost of products, as well as discounts on purchases in order to:

  1. ((a))

    retain a list

  2. ((b))

    prepare schedules

  3. ((c))

    work out profit

  4. ((d))

    gain knowledge

Show Answer
Answer: ((a))

retain a list

148

Calculate the reading that will be given by a hot-wire voltmeter when it is connected across the terminals of a generator whose voltage is given by V(t) = (2 Sin wt + 3 Sin 3 wt + 5 Sin 5 wt) Volt.

  1. ((a))

    0 volt

  2. ((b))

    38\sqrt{38} volts

  3. ((c))

    10 volts

  4. ((d))

    19\sqrt{19} volts

Show Answer
Answer: ((a))

0 volt

149

With respect to AC fundamentals of an electrical signal, the ratio of the area under the curve to the base is called ______.

  1. ((a))

    RMS value

  2. ((b))

    peak value

  3. ((c))

    effective value

  4. ((d))

    average value

Show Answer
Answer: ((a))

RMS value

150

Ten capacitors, each of capacitance 20 μF, are first connected in series and then in parallel. The ratio of the equivalent capacitance in series to the equivalent capacitance in parallel is:

  1. ((a))

    1/100

  2. ((b))

    1/250

  3. ((c))

    1/400

  4. ((d))

    1/200

Show Answer
Answer: ((a))

1/100

151

What is Cold Reserve Capacity in a power system?

  1. ((a))

    The power generating capacity that is not currently in use but can be brought only when needed.

  2. ((b))

    The power generating capacity that is readily available and online, ready to be dispatched.

  3. ((c))

    The power generating capacity that is permanently shut down.

  4. ((d))

    The power generating capacity that is unavailable due to maintenance or other reasons.

Show Answer
Answer: ((a))

The power generating capacity that is not currently in use but can be brought only when needed.

152

In the context of magnetic circuits, the value of the leakage coefficient for electrical machines is usually about ______.

  1. ((a))

    1.15 to 1.25

  2. ((b))

    1.5 to 1.75

  3. ((c))

    0.5 to 1

  4. ((d))

    1.25 to 1.5

Show Answer
Answer: ((a))

1.15 to 1.25

153

In case of commercial installations, it is advisable to use light sources rendering high colour for installations so as to retain customer attention. This light should be as bright as its surroundings in the range of _______.

  1. ((a))

    2 times

  2. ((b))

    20 times

  3. ((c))

    5 times

  4. ((d))

    10 times

Show Answer
Answer: ((a))

2 times

154

Eight capacitors of the same value are connected in series. Their equivalent capacitance is 200 μF, the capacitance of each capacitor is _______.

  1. ((a))

    16 × 10-4 F

  2. ((b))

    160 μF

  3. ((c))

    16 μF

  4. ((d))

    25 μF

Show Answer
Answer: ((a))

16 × 10-4 F

155

Which is the formula for transmission line efficiency?

  1. ((a))

    Efficiency = −received,powertransmitted,power×100\rm \frac{-received ,power}{transmitted ,power}\times 100

  2. ((b))

    Efficiency = received power - transmitted power × 100

  3. ((c))

    Efficiency = received power + transmitted power × 100

  4. ((d))

    Efficiency = received,powertransmitted,power×100\rm \frac{received ,power}{transmitted ,power}\times 100

Show Answer
Answer: ((a))

Efficiency = −received,powertransmitted,power×100\rm \frac{-received ,power}{transmitted ,power}\times 100

156

An external resistance is added in the motor circuit during starting condition. The main purpose of this is to _______.

  1. ((a))

    increase the starting current

  2. ((b))

    increase the main flux

  3. ((c))

    reduce the starting current

  4. ((d))

    reduce the main flux

Show Answer
Answer: ((a))

increase the starting current

157

At steady-state characteristics of a DC series motor, which of the following statements are correct?

I) The speed-torque relationship of a DC series motor is non-linear.

II) Both the armature current and the field current of a DC series motor decrease with increasing load torque.

III) The efficiency of a DC series motor is generally higher compared to DC shunt motor.

IV) The efficiency of a DC series motor is generally lower compared to DC shunt motor.

  1. ((a))

    Statements I, II and IV are correct

  2. ((b))

    Only statements I and IV are correct

  3. ((c))

    Statements I, II and III correct

  4. ((d))

    Only statements I and III are correct

Show Answer
Answer: ((a))

Statements I, II and IV are correct

158

If R1 = 1 Ω; R2 = 2 Ω; R3 = 3 Ω; R2 and R3 are connected in parallel and the combination is in series with R1, then the total resistance will be _______.

  1. ((a))

    1.2 Ω

  2. ((b))

    1.5 Ω

  3. ((c))

    2.8 Ω

  4. ((d))

    2.2 Ω

Show Answer
Answer: ((a))

1.2 Ω

159

At light load power factor of induction motors is _______.

  1. ((a))

    0

  2. ((b))

    1

  3. ((c))

    0.8 to 0.9

  4. ((d))

    0.2 to 0.4

Show Answer
Answer: ((a))

0

160

Which of the following statements correctly explains the relation between the maximum demand and the connected load during a practical scenario in a power system?

  1. ((a))

    The maximum demand will always be less than the connected load.

  2. ((b))

    The maximum demand will always be greater than the connected load.

  3. ((c))

    The maximum demand and the connected load do not exhibit any relation with each other.

  4. ((d))

    The maximum demand will always be equal to the connected load.

Show Answer
Answer: ((a))

The maximum demand will always be less than the connected load.

161

Which of the following is a criterion used for selecting the ratio of the minimum fault current to the maximum load current in over-current protection of a transmission line?

  1. ((a))

    To prevent the possibility of maloperation under normal operating conditions

  2. ((b))

    To reduce the maximum load current on the transmission line

  3. ((c))

    To decrease the sensitivity of the protection system to faults

  4. ((d))

    To increase the possibility of maloperation under normal operating conditions

Show Answer
Answer: ((a))

To prevent the possibility of maloperation under normal operating conditions

162

A voltage source of V(t) = (10t3 - 5t + 10) Volt is applied across a 10F capacitor, the current through the capacitor at t = 2 sec is ________.

  1. ((a))

    1000 A

  2. ((b))

    1100 A

  3. ((c))

    1160 A

  4. ((d))

    1150 A

Show Answer
Answer: ((a))

1000 A

163

If the station has a thermal efficiency of 30% and electrical efficiency of 95%, find the overall efficiency of the station.

  1. ((a))

    26.5%

  2. ((b))

    27.5%

  3. ((c))

    28.5%

  4. ((d))

    29.5%

Show Answer
Answer: ((a))

26.5%

164

Which of the following is/are true regarding the significance of the 'barrier' in the rotor of a synchronous reluctance motor?

  1. It prevents the rotor from rotating at synchronous speed.
  2. It helps to reduce eddy current losses in the rotor.
  3. It increases the magnetic flux density in the rotor.
  4. It improves the torque characteristics of the motor.
  1. ((a))

    Only 2

  2. ((b))

    Both 2 and 4

  3. ((c))

    Both 1 and 3

  4. ((d))

    Only 1 and 4

Show Answer
Answer: ((a))

Only 2

165

An uneven air gap in the stator and the rotor of a squirrel cage induction motor will lead to ______ during operation.

  1. ((a))

    increased vibrations

  2. ((b))

    increased speed

  3. ((c))

    increased torque

  4. ((d))

    increased current

Show Answer
Answer: ((a))

increased vibrations

166

A balanced, delta-connected load has an impedance of 3∠30° Ω/phase. What will be the impedance of an equivalent star-connected load?

  1. ((a))

    2∠60° Ω/phase

  2. ((b))

    4∠30° Ω/phase

  3. ((c))

    3∠90° Ω/phase

  4. ((d))

    1∠30° Ω/phase

Show Answer
Answer: ((a))

2∠60° Ω/phase

167

In electromagnetism, the work done on a unit n-pole in moving once around any complete path will be equal to the product of the current and the number of turns enclosed by that path is stated by _______.

  1. ((a))

    Coulomb's law

  2. ((b))

    Work's law

  3. ((c))

    Lenz's law

  4. ((d))

    Laplace's law

Show Answer
Answer: ((a))

Coulomb's law

168

Which of the following systems is NOT a part of the operating mechanism in a single-phase energy meter?

  1. ((a))

    Driving system

  2. ((b))

    Registering system

  3. ((c))

    Braking system

  4. ((d))

    Energy system

Show Answer
Answer: ((a))

Driving system

169

Which of the following lamps is NOT a discharge lamp?

  1. ((a))

    Mercury vapour Lamp

  2. ((b))

    Neon lamp

  3. ((c))

    Sodium vapour lamp

  4. ((d))

    Incandescent lamp

Show Answer
Answer: ((a))

Mercury vapour Lamp

170

What is the correct order of the following operations, performed for conducting the estimation?

a) Wiring layout

b) Calculation of the total number of connections

c) Selection of the main switch board

  1. ((a))

    b, c, a

  2. ((b))

    a, b, c

  3. ((c))

    a, c, b

  4. ((d))

    c, a, b

Show Answer
Answer: ((a))

b, c, a

171

In the context of electronic components, if a number of resistances are connected and the reciprocal of the sum of individual resistances is equal to the sum of reciprocals of individual resistances, then the type of connection is called _______.

  1. ((a))

    grouping circuit

  2. ((b))

    series circuit

  3. ((c))

    series-parallel circuit

  4. ((d))

    parallel circuit

Show Answer
Answer: ((a))

grouping circuit

172

How much energy in "kilowatt hours" is consumed in operating ten 100-watt bulbs for 20 hours per day in a month (30 days)?

  1. ((a))

    10000 kilowatt-hours

  2. ((b))

    5000 kilowatt-hours

  3. ((c))

    600000 kilowatt-hours

  4. ((d))

    600 kilowatt-hours

Show Answer
Answer: ((a))

10000 kilowatt-hours

173

The sum of instantaneous powers in the three phases in a three-phase system:

  1. ((a))

    is zero

  2. ((b))

    twice the line frequency

  3. ((c))

    remains constant

  4. ((d))

    thrice the line frequency

Show Answer
Answer: ((a))

is zero

174

Which of the following statements are correct?

(a) Lenz's law is based on the conservation of charge.

(b) Lenz's law gives the direction of induced current.

(c) Lenz's law is based on the conservation of energy.

  1. ((a))

    Both (a) and (c)

  2. ((b))

    Both (a) and (b)

  3. ((c))

    (a), (b) and (c)

  4. ((d))

    Both (b) and (c)

Show Answer
Answer: ((a))

Both (a) and (c)

175

What happens to the reading of a wattmeter when the power factor of a circuit is changed from unity power factor to leading power factor?

  1. ((a))

    The wattmeter reading remains unchanged

  2. ((b))

    The wattmeter reading decreases

  3. ((c))

    The wattmeter reading increases

  4. ((d))

    The wattmeter cannot measure the leading power factor

Show Answer
Answer: ((a))

The wattmeter reading remains unchanged

176

Which of the following is correct for a step down single-phase transformer?

  1. ((a))

    Input volt ampere < output volt ampere

  2. ((b))

    Input volt ampere ≠ output volt ampere

  3. ((c))

    Input volt ampere = output volt ampere

  4. ((d))

    Input volt ampere > output volt ampere

Show Answer
Answer: ((a))

Input volt ampere < output volt ampere

177

In resistors, if the temperature is increased, then the resistance of alloys will ______.

  1. ((a))

    decrease

  2. ((b))

    increase

  3. ((c))

    remain the same

  4. ((d))

    become zero

Show Answer
Answer: ((a))

decrease

178

What is the correction factor of the wattmeter at a lagging power factor?

(Where, φ is the phase angle between the voltage applied to the pressure coil and the current in the current coil and β is the angle between the voltage applied to the pressure coil and the current in the pressure coil.)

  1. ((a))

    cosΦcosβ,cos(Φ−β)\rm \frac{cos\Phi}{cos \beta ,cos (\Phi - \beta)}

  2. ((b))

    cosΦcosβ,sin(Φ+β)\rm \frac{cos\Phi}{cos \beta ,sin (\Phi + \beta)}

  3. ((c))

    cosΦcosβ,sin(Φ−β)\rm \frac{cos\Phi}{cos \beta ,sin (\Phi - \beta)}

  4. ((d))

    cosΦcosβ,cos(Φ+β)\rm \frac{cos\Phi}{cos \beta ,cos (\Phi + \beta)}

Show Answer
Answer: ((a))

cosΦcosβ,cos(Φ−β)\rm \frac{cos\Phi}{cos \beta ,cos (\Phi - \beta)}

179

A series R-L-C circuit having R = 5 Ω, L = 400 H and C = 4F is fed from a 400 ∠0° volt supply. Then the voltage across the capacitor at resonance will be _______.

  1. ((a))

    800 V

  2. ((b))

    1000 V

  3. ((c))

    400 V

  4. ((d))

    200 V

Show Answer
Answer: ((a))

800 V

180

The maximum efficiency in the transmission of bulk AC power will be achieved when the power factor of the load is:

  1. ((a))

    unity

  2. ((b))

    considerably less than unity

  3. ((c))

    slightly less than unity leading

  4. ((d))

    slightly less than unity lagging

Show Answer
Answer: ((a))

unity

181

Which of the following statements is true about the voltage control of DC motors?

  1. ((a))

    The application of this method is restricted to separately excited DC motors.

  2. ((b))

    The application of this method is restricted to self-excited DC motors.

  3. ((c))

    The terminal voltage is kept constant and the field current is varied so as to obtain speed control.

  4. ((d))

    The field current is kept constant and the terminal voltage is varied to obtain speed control.

Show Answer
Answer: ((a))

The application of this method is restricted to separately excited DC motors.

182

The Variation in the effective width of a base in a Bipolar Junction Transistor is due to a variation in the applied ______.

  1. ((a))

    emitter to collector voltage

  2. ((b))

    base to collector voltage

  3. ((c))

    collector current

  4. ((d))

    emitter current

Show Answer
Answer: ((a))

emitter to collector voltage

183

Which of the following statements are correct about the errors in PMMC instruments?

I. The swamping resistance is included in series with the moving coil to reduce errors.

II. The swamping resistance is included in parallel with the moving coil to reduce errors.

III. Errors are caused by weakening of the permanent magnet due to aging.

IV. Errors are caused by weakening of the spring due to aging and temperature.

  1. ((a))

    Only II, III and IV

  2. ((b))

    Only I, III and IV

  3. ((c))

    Only III and IV

  4. ((d))

    Only I and III

Show Answer
Answer: ((a))

Only II, III and IV

184

Which of the following are the properties of a good heating element?

I) It should have low resistivity.

II) It should have high melting point.

III) It should have low temperature coefficient of resistance.

IV) It should have high specific heat capacity.

  1. ((a))

    II, III and IV

  2. ((b))

    I, II and IV

  3. ((c))

    Only II and III

  4. ((d))

    I, II and III

Show Answer
Answer: ((a))

II, III and IV

185

Which of the following statements is NOT true about DC signal?

  1. ((a))

    Pure Direct Current always has a constant value.

  2. ((b))

    A DC voltage has both positive and negative values with change in time.

  3. ((c))

    A DC voltage is always negative or always positive.

  4. ((d))

    Cell, batteries and regulated power supplies provide a steady DC that is ideal for an electronic circuit.

Show Answer
Answer: ((a))

Pure Direct Current always has a constant value.

186

Mutual inductance between two magnetically coupled coils does NOT depend on which of the following?

  1. ((a))

    Number of turns of the coils

  2. ((b))

    Permeability of the core material

  3. ((c))

    Temperature of the coil

  4. ((d))

    Cross sectional area of their common core

Show Answer
Answer: ((a))

Number of turns of the coils

187

In a transistor of common base connection, the ratio of change in the output current to change in the input current at a constant collector-base voltage is called _______.

  1. ((a))

    output resistance factor

  2. ((b))

    current amplification factor

  3. ((c))

    base current amplification factor

  4. ((d))

    input resistance factor

Show Answer
Answer: ((a))

output resistance factor

188

Which of the following statements is FALSE in the context of the characteristics of synchronous motors?

  1. ((a))

    They have low operating efficiency.

  2. ((b))

    They have constant speed operation.

  3. ((c))

    Synchronous motors have high power factor correction.

  4. ((d))

    They are made in large sizes.

Show Answer
Answer: ((a))

They have low operating efficiency.

189

A 200-V, DC motor has an armature resistance of 0.5 Ω. It is drawing an armature current of 20 A driving a certain load. Calculate the induced EMF in the motor under this condition.

  1. ((a))

    190 V

  2. ((b))

    199.3 V

  3. ((c))

    203.7 V

  4. ((d))

    175.8 V

Show Answer
Answer: ((a))

190 V

190

If the power factor of 500 KVA, 21 KW, 3-phase star connected alternator is increased from its initial value, then the efficiency of the synchronous generator will _______.

  1. ((a))

    increase

  2. ((b))

    decrease

  3. ((c))

    become zero

  4. ((d))

    remain constant

Show Answer
Answer: ((a))

increase

191

Total Reactive Power drawn from a three-phase balanced load where line voltage = VL, Line current = IL, Phase voltage = VP and Phase current = lP is given by:

  1. ((a))

    3,VLILcosϕ\rm \sqrt3 ,V_LI_Lcos\phi

  2. ((b))

    3,VLILsinϕ\rm \sqrt3 ,V_LI_Lsin\phi

  3. ((c))

    3 VPIP cos Φ

  4. ((d))

    3,VPIPsinϕ\rm \sqrt3 ,V_PI_P sin\phi

Show Answer
Answer: ((a))

3,VLILcosϕ\rm \sqrt3 ,V_LI_Lcos\phi

192

The torque developed by a 3-phase induction motor least depends on which the following options?

  1. ((a))

    rotor EMF

  2. ((b))

    rotor current

  3. ((c))

    shaft diameter

  4. ((d))

    rotor power factor

Show Answer
Answer: ((a))

rotor EMF

193

A DC source of EMF E volts and internal resistance R ohms is connected to a variable load and it is adjusted such that the load absorbs maximum power from the source. The maximum power delivered from the source to the load is:

  1. ((a))

    E22R\rm \frac{E^2}{2R}

  2. ((b))

    E2R\rm \frac{E^2}{R}

  3. ((c))

    2E2R\rm \frac{2E^2}{R}

  4. ((d))

    E24R\rm \frac{E^2}{4R}

Show Answer
Answer: ((a))

E22R\rm \frac{E^2}{2R}

194

The hysteresis torque during the working of hysteresis motor depends on which factor?

  1. ((a))

    Rotor flux only

  2. ((b))

    Stator flux only

  3. ((c))

    Stator flux, rotor flux and sine of hysteresis angle

  4. ((d))

    Stator and rotor flux only

Show Answer
Answer: ((a))

Rotor flux only

195

For the three coupled coils shown below, the total inductance will be ________.

  1. ((a))

    60 H

  2. ((b))

    81 H

  3. ((c))

    66 H

  4. ((d))

    90 H

Show Answer
Answer: ((a))

60 H

196

The magnetic flux through a coil having a single turn is varying according to the relation φ = (5t2 + 4t + 10) wb. Determine the impedance of the coil if the induced current through the coil is 5A at t = 2 seconds.

  1. ((a))

    4 Ω 

  2. ((b))

    4.8 Ω

  3. ((c))

    40 Ω

  4. ((d))

    8.4 Ω

Show Answer
Answer: ((a))

4 Ω 

197

1 ampere of current is equal to how many number of electrons?

  1. ((a))

    4.25 × 10-18

  2. ((b))

    4.25 × 1018

  3. ((c))

    6.25 × 1018

  4. ((d))

    6.25 × 10-18

Show Answer
Answer: ((a))

4.25 × 10-18

198

Consider the following statements about equivalent circuit with core losses of single-phase motor and select the correct option.

  1. Slip at maximum torque is calculated with the help of maximum power transfer theorem.
  2. Torque of an induction motor T = ωP\rm \frac{ω}{P}, where ω = speed in rad/sec, P = Power.
  1. ((a))

    Both 1 and 2 are not true

  2. ((b))

    Only 1 is true

  3. ((c))

    Both 1 and 2 are true

  4. ((d))

    Only 2 is true

Show Answer
Answer: ((a))

Both 1 and 2 are not true

199

In a thermal power plant, the overall efficiency can be determined using which of the following?

  1. ((a))

    Carnot Cycle Efficiency

  2. ((b))

    Rankine Cycle Efficiency

  3. ((c))

    Regenerative Cycle Efficiency

  4. ((d))

    Boiler Efficiency × Generator Efficiency × Turbine Efficiency

Show Answer
Answer: ((a))

Carnot Cycle Efficiency

200

A light source with a candle worth of power produces _______.

  1. ((a))

    one lumen / radian

  2. ((b))

    one lumen / watt

  3. ((c))

    one lumen / steradian

  4. ((d))

    one lumen / meter

Show Answer
Answer: ((a))

one lumen / radian

Attempt this paper under real exam conditions

Timed interface, section switching, instant scoring, and question-by-question analytics — free.

Start Timed Attempt