Official Paper

SSC JE Mechanical 9 Oct 2023 Shift 2 Official Paper-I (Previous Year Paper)

200 questions · 120 minutes · with answers · free

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General Intelligence and Reasoning (50 questions)

1

Select the combination of letters that when sequentially placed in the blanks of the given series, will complete the series. 

L_M_NL_N_M_L_N_MN_L_M_NL

  1. ((a))

    NMLMNLMLNM 

  2. ((b))

    NMMLNLLMNM 

  3. ((c))

    NMLMLNMLNL  

  4. ((d))

    MNLMNLMLNM 

Show Answer
Answer: ((a))

NMLMNLMLNM 

2

Arrange the following words in a logical and meaningful order. 

  1. germinate
  2. sapling
  3. seed 4. seedling
  4. tree
  1. ((a))

    4, 2, 1, 3, 5 

  2. ((b))

    3, 1, 2, 4, 5

  3. ((c))

    3, 1, 4, 2, 5

  4. ((d))

    3, 4, 2, 5, 1

Show Answer
Answer: ((a))

4, 2, 1, 3, 5 

3

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

30, 35, 29, ?, 28, 37

  1. ((a))

    34

  2. ((b))

    33

  3. ((c))

    36

  4. ((d))

    35

Show Answer
Answer: ((a))

34

4

In a certain code language, “SPYH" is coded as "1714236" and “CFOG" is coded as “14135”. How will “QTNP” be coded in that language? 

  1. ((a))

    14191314 

  2. ((b))

    15171114 

  3. ((c))

    15181214

  4. ((d))

    13191314

Show Answer
Answer: ((a))

14191314 

5

Ritu starts from point A and drives 9 km towards South. From here, she takes a left turn and drives 8 km. She then takes a left turn, drives 3 km, turns left and drives 12 km. Finally, she takes aright turn, drives 6 km and stops at point B. How far and in which direction is point B from point A? 

  1. ((a))

    4 km towards East

  2. ((b))

    2 km towards East 

  3. ((c))

    4 km towards West

  4. ((d))

    2 km towards West

Show Answer
Answer: ((a))

4 km towards East

6

Select the number from among the given options that can replace the question mark (?) in the following series.

13, 29, 34, 71, 76, 155, 160, ?

  1. ((a))

    333

  2. ((b))

    322

  3. ((c))

    332

  4. ((d))

    323

Show Answer
Answer: ((a))

333

7

Select the option that is related to the third term in the same way as the second term is related to the first term and the sixth term is related to the fifth term.

23 : 536 :: 21 : ? :: 18 : 331

  1. ((a))

    484

  2. ((b))

    444

  3. ((c))

    448

  4. ((d))

    488

Show Answer
Answer: ((a))

484

8

Select the correct combination of mathematical signs to sequentially replace the * signs and balance the given equation. 

17 * 7 * 12 * 6 * 2 = 119

  1. ((a))

    − × ÷ +

  2. ((b))
    • × − ÷
  3. ((c))

    × − ÷ +

  4. ((d))
    • ÷ × −
Show Answer
Answer: ((a))

− × ÷ +

9

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

  1. Bicycle
  2. Car
  3. Train
  4. Auto-rickshaw
  5. Bus
  1. ((a))

    1, 4, 2, 5, 3

  2. ((b))

    4, 1, 2, 3, 5 

  3. ((c))

    4, 5, 2, 3, 1

  4. ((d))

    4, 2, 3, 5, 1 

Show Answer
Answer: ((a))

1, 4, 2, 5, 3

10

Which letter-cluster will replace the question mark (?) to complete the given series? 

AYIN, BWLM, DUOL, ?, KQUJ

  1. ((a))

    GSRK

  2. ((b))

    GTRL

  3. ((c))

    HSQM

  4. ((d))

    HTSL

Show Answer
Answer: ((a))

GSRK

11

Each of the seven friends, Kirti, Siya, Amita, Preeti, Deepika, Jeet and Pari, has scored different marks in an exam. Pari has scored more than Kirti but less than Siya. Deepika has scored less than Preeti but more than Amita. Kirti has scored more than Preeti but less than Pari. Siya is not the highest scorer.

Who has scored the least marks?

  1. ((a))

    Pari

  2. ((b))

    Siya

  3. ((c))

    Amita

  4. ((d))

    Jeet

Show Answer
Answer: ((a))

Pari

12

Select the option that is related to the third term in the same way as the second term is related to the first term and the si×th term is related to the fifth term. 

27 : 95 :: 11 : ? :: 9 : 23

  1. ((a))

    27

  2. ((b))

    31

  3. ((c))

    25

  4. ((d))

    34

Show Answer
Answer: ((a))

27

13

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

  1. ((a))

  2. ((b))

  3. ((c))

  4. ((d))

Show Answer
Answer: ((a))

14

Two statements are given followed by two conclusions numbered I and Il. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements.

Statements:

All novels are textbooks.

No newspaper is a textbook.

Conclusions:

I. No novel is a newspaper.

II. Atleast some textbooks are novels.

  1. ((a))

    Both conclusions I and II follow

  2. ((b))

    Only conclusion II follows

  3. ((c))

    Neither conclusion I nor II follows

  4. ((d))

    Only conclusion I follows

Show Answer
Answer: ((a))

Both conclusions I and II follow

15

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

  1. ((a))

  2. ((b))

  3. ((c))

  4. ((d))

Show Answer
Answer: ((a))

16

‘DHL’ is related to ‘JLN’ in a certain way based on the English alphabetical order. In the same way, ‘MAC’ is related to ‘SEE’. Which of the following is related to ‘FIP’ using the same logic? 

  1. ((a))

    YEN

  2. ((b))

    ZEO

  3. ((c))

    AEN

  4. ((d))

    ZEN

Show Answer
Answer: ((a))

YEN

17

Peter departs from his home and walks 10 m towards north and then turns right and walks 36 m. He turns left and walks 5 m. Now he turns left again and walks 25 m and stops. A pole is placed exactly 15 m south from where he is standing. How far and in which direction is his house from the pole? (Assuming that all turns are 90 degree turns only.) 

  1. ((a))

    10 m, east

  2. ((b))

    21 m, west

  3. ((c))

    11 m, west 

  4. ((d))

    20 m, east

Show Answer
Answer: ((a))

10 m, east

18

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

(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/subtraction/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)

(8, 4, 6)

(13, 9, 10)

  1. ((a))

    (3, 11 , 2)

  2. ((b))

    (2, 10, 1)

  3. ((c))

    (6, 42, 4) 

  4. ((d))

    (7, 4 , 5) 

Show Answer
Answer: ((a))

(3, 11 , 2)

19

In a certain code language, 'MARKET' is coded as '94', and 'SHOP' is coded as '50'. How will 'ITEMS' be coded in that language? 

  1. ((a))

    144

  2. ((b))

    61

  3. ((c))

    69

  4. ((d))

    66

Show Answer
Answer: ((a))

144

20

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))

21

Select the option that represents the correct order of the given words as they would appear in an English dictionary.

1- Ostracise

2 - Ossification

3 - Otherwise

4 - Ostensible

5- Ostrich

  1. ((a))

    2, 4, 5, 1, 3 

  2. ((b))

    2, 4, 1, 5, 3

  3. ((c))

    2, 1, 5, 4, 3

  4. ((d))

    2, 1, 4, 5, 3

Show Answer
Answer: ((a))

2, 4, 5, 1, 3 

22

If '×' means '−', '÷' means '+', '−' means '÷', '+' means '×', then what will be the correct answer of the following relation?

375 - 25 ÷ 3 + 5 - 5 × 2 = ?

  1. ((a))

    16

  2. ((b))

    15

  3. ((c))

    20

  4. ((d))

    18

Show Answer
Answer: ((a))

16

23

Pointing towards a person in the photograph, Kamla said, “He is the daughter's brother of my husband's father Ashok. Ashok has only two children. How is the person in the photograph related to Kamla?  

  1. ((a))

    Husband’s sister’s son

  2. ((b))

    Husband

  3. ((c))

    Husband’s brother

  4. ((d))

    Sister’s husband

Show Answer
Answer: ((a))

Husband’s sister’s son

24

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

  1. ((a))

  2. ((b))

  3. ((c))

  4. ((d))

Show Answer
Answer: ((a))

25

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

212, 213, 215, 219, ?, 243, 275

  1. ((a))

    225

  2. ((b))

    237

  3. ((c))

    235

  4. ((d))

    227

Show Answer
Answer: ((a))

225

26

Six students E, F, G, H, l and J are sitting around a circular table facing the centre. H is an immediate neighbour of both E and G. I is sitting third to the left of G. E is sitting second to the right of F. J is an immediate neighbour of both F and G. Who is immediate neighbour of both G and F?  

  1. ((a))

    E

  2. ((b))

    I

  3. ((c))

    J

  4. ((d))

    H

Show Answer
Answer: ((a))

E

27

Which letter-cluster will replace the question mark (?) to complete the given series? 

CFWI, ?, FHTK, IIQL, MJMM

  1. ((a))

    DIUI 

  2. ((b))

    DGVJ

  3. ((c))

    EGUI

  4. ((d))

    EIUJ

Show Answer
Answer: ((a))

DIUI 

28

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

  1. ((a))

  2. ((b))

  3. ((c))

  4. ((d))

Show Answer
Answer: ((a))

29

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))

30

In a certain code language, ‘FALSE’ is written as ‘97’ and ‘MYTH’ is written as ‘46’. How will ‘LEGEND’ be written in that language? 

  1. ((a))

    127

  2. ((b))

    119

  3. ((c))

    121

  4. ((d))

    115

Show Answer
Answer: ((a))

127

31

If ‘+’ means ‘–’, ‘–’ means ‘×’, ‘×’ means ‘÷’, ‘÷’ means ‘+’, then what will come in place of the question mark (?) in the following equation?

35 ÷ 84 × 4 – 3 + 11 = ?

  1. ((a))

    83

  2. ((b))

    79

  3. ((c))

    87

  4. ((d))

    94

Show Answer
Answer: ((a))

83

32

If A denotes ‘÷’, B denotes ‘×’, C denotes ‘−’ and D denotes ‘+’, then what will be the value of the following equation?

90 D 121 A 11 B 10 C 90

  1. ((a))

    120

  2. ((b))

    100

  3. ((c))

    110

  4. ((d))

    90

Show Answer
Answer: ((a))

120

33

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

  1. ((a))

  2. ((b))

  3. ((c))

  4. ((d))

Show Answer
Answer: ((a))

34

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

(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) 

(5, 2, 121)

(4, 3, 55)

  1. ((a))

    (2, 8, 67) 

  2. ((b))

    (4, 2, 60)

  3. ((c))

    (6, 8, 91)

  4. ((d))

    (3, 1, 9) 

Show Answer
Answer: ((a))

(2, 8, 67) 

35

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

XYZV, STUQ, ?, IJKG, DEFB

  1. ((a))

    NOPM

  2. ((b))

    NOPO

  3. ((c))

    NOPL

  4. ((d))

    NOPQ

Show Answer
Answer: ((a))

NOPM

36

In a certain code language, "ABHORRENT” is written as “TNERROHBA" and “CULINARY” is written as "YRANILUC”. How will “DELETTANTE" be written in that language? 

  1. ((a))

    ETNATTELED 

  2. ((b))

    ETNATTELDE

  3. ((c))

    ELEDETANTT

  4. ((d))

    EDELETTANT

Show Answer
Answer: ((a))

ETNATTELED 

37

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))

38

Select the option that is related to the third word in the same way as the second word is related to the first word. (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) 

Jaggery : Sugarcane :: Fabric : ?

  1. ((a))

    Tailor

  2. ((b))

    Suits

  3. ((c))

    Yarn

  4. ((d))

    Cloth

Show Answer
Answer: ((a))

Tailor

39

Seven people, A, B, C, D, E, F and G, are sitting in a straight row, facing north. Only 1 person sits to the left of D. A is an immediate neighbour of D. Only 2 people sit between F and D. Only 3 people sit between C and G. B is not an immediate neighbour of G. Only 2 people sit between E and A.

Who sits to the immediate right of F?

  1. ((a))

    A

  2. ((b))

    E

  3. ((c))

    B

  4. ((d))

    C

Show Answer
Answer: ((a))

A

40

Select the Venn diagram that best illustrates the relationship between the following classes.

Tables, Cupboards, Furniture

  1. ((a))

  2. ((b))

  3. ((c))

  4. ((d))

Show Answer
Answer: ((a))

41

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.)

Denver : Colorado

  1. ((a))

    Mysore : Karnataka 

  2. ((b))

    Canberra : Australia

  3. ((c))

    Lucknow : Uttar Pradesh

  4. ((d))

    Delhi : India

Show Answer
Answer: ((a))

Mysore : Karnataka 

42

How many triangles are there in the given figure? 

  1. ((a))

    10

  2. ((b))

    12

  3. ((c))

    14

  4. ((d))

    13

Show Answer
Answer: ((a))

10

43

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

(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.) 

(361, 49, 266)

(225, 36, 180)

  1. ((a))

    (49, 620, 300)

  2. ((b))

    (289, 16, 136) 

  3. ((c))

    (12, 36, 48) 

  4. ((d))

    (256, 64, 160)

Show Answer
Answer: ((a))

(49, 620, 300)

44

Select the word-pair in which the two words are related in the same way as are the two words in the given pair.

(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)

Salt : Sodium

  1. ((a))

    Car : Petrol

  2. ((b))

    Water : Hydrogen

  3. ((c))

    Leaves : Wood

  4. ((d))

    Plant : Tree 

Show Answer
Answer: ((a))

Car : Petrol

45

Which letter-cluster will replace the question mark (?) to complete the given series? 

ACAW, ELHA, IUOE, ?, UMCM

  1. ((a))

    PNOI

  2. ((b))

    PMOI

  3. ((c))

    ODVI

  4. ((d))

    ONOI

Show Answer
Answer: ((a))

PNOI

46

Select the option that represents the correct order of the given words as they would appear in an English dictionary.

  1. Recession
  2. Rebuke
  3. Recognize
  4. Receive
  5. Recover
  1. ((a))

    2, 4, 1, 3, 5 

  2. ((b))

    3, 2, 1, 5, 4

  3. ((c))

    5, 4, 1, 3, 2

  4. ((d))

    3, 4, 1, 5, 2

Show Answer
Answer: ((a))

2, 4, 1, 3, 5 

47

If

‘O ^ P’ means ‘O is the brother of P,

‘O * P’ means ‘O is the mother of P',

'O + P’ means ‘O is the husband of P’,

‘O @ P' means ‘O is the sister of P,

‘O = P' means ‘O is the son of P’, and

‘O % P’ means ‘O is the father of P’,

then how is S related to M the following expression?  

S = G % H @ E + F * M

  1. ((a))

    Mother’s brother 

  2. ((b))

    Son

  3. ((c))

    Father’s father

  4. ((d))

    Father's brother

Show Answer
Answer: ((a))

Mother’s brother 

48

Select the correct mirror image of the given combination when the mirror is placed at line MN as shown.  

  1. ((a))

  2. ((b))

  3. ((c))

  4. ((d))

Show Answer
Answer: ((a))

49

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/numbers of consonants/vowels in the word) 

Chaos : Peace

  1. ((a))

    Deep : Intense 

  2. ((b))

    Mourn : Deplore

  3. ((c))

    Gradual : Abrupt 

  4. ((d))

    Generate : Produce 

Show Answer
Answer: ((a))

Deep : Intense 

50

Select the option that is related to the third word in the same way as the second word is related to the first word. (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)

Binocular : View :: Spoon :?

  1. ((a))

    Feed

  2. ((b))

    Utensil

  3. ((c))

    Fork

  4. ((d))

    Food

Show Answer
Answer: ((a))

Feed

General Awareness (50 questions)

51

What are Guyots? 

  1. ((a))

    It is a flat topped seamount.  

  2. ((b))

    These are deep valleys, some comparable to the Grand Canyon. 

  3. ((c))

    It is a mountain with pointed summits. 

  4. ((d))

    These are low islands found in the tropical oceans consisting of coral reefs. 

Show Answer
Answer: ((a))

It is a flat topped seamount.  

52

Patayat Sahu, who was conferred the Padma Shri in the year 2023 by the President of India for his significant contribution in the field of medicinal plants in agriculture, is from________.  

  1. ((a))

    Odisha 

  2. ((b))

    West Bengal 

  3. ((c))

    Chhattisgarh 

  4. ((d))

    Jharkhand

Show Answer
Answer: ((a))

Odisha 

53

The Sangeet Natak Akademi gives fellowships to eminent artists. Gopika Varma received it for Mohiniyattam which is a dance form of which state? 

  1. ((a))

    Karnataka 

  2. ((b))

    Andhra Pradesh  

  3. ((c))

    Kerala 

  4. ((d))

    Tamil Nadu 

Show Answer
Answer: ((a))

Karnataka 

54

Which of the following energy resources is also known as Liquid Gold? 

  1. ((a))

    Petroleum 

  2. ((b))

    Natural Gas  

  3. ((c))

    Coal 

  4. ((d))

    Uranium 

Show Answer
Answer: ((a))

Petroleum 

55

What type of compound is formed when one hydrogen atom in ammonia is substituted by an alkyl or aromatic group? 

  1. ((a))

    Secondary amine 

  2. ((b))

    Carboxylic acid 

  3. ((c))

    Primary amine 

  4. ((d))

    Ketone body 

Show Answer
Answer: ((a))

Secondary amine 

56

In June 2022, who became the first Indian to be recognised as the Global Sustainable Development Goal (SDG) Pioneer for water stewardship by the United Nations Global Compact (UNGC)?  

  1. ((a))

    Ramkrishna Mukkavilli 

  2. ((b))

    Rajendra Singh  

  3. ((c))

    Amla Ruia 

  4. ((d))

    Ayyappa Masagi  

Show Answer
Answer: ((a))

Ramkrishna Mukkavilli 

57

Which of the following is associated with Atoll? 

  1. ((a))

    It is made up of two mountain chains separated by a large depression 

  2. ((b))

    Low islands found in the tropical oceans consisting of coral reefs  

  3. ((c))

    It is a seamount with a flat top 

  4. ((d))

    Ocean basins with gently sloping terrain 

Show Answer
Answer: ((a))

It is made up of two mountain chains separated by a large depression 

58

In October 2021, MUDRA Toolbox was launched by the ________ in five Indian languages. 

  1. ((a))

    Indian Council of Medical Research (ICMR) 

  2. ((b))

    Indian Council of Social Science Research (ICSSR) 

  3. ((c))

    Indian Council of Historical Research (ICHR) 

  4. ((d))

    Indian Agricultural Research Institute (ICAR) 

Show Answer
Answer: ((a))

Indian Council of Medical Research (ICMR) 

59

Match the column-A with column-B. 

Column-A (Block Periodic Table)Column-B (Elements)
(a)s-block(i)La
(b)p-block(ii)Cu
(c)d-block(iii)Al
(d)f-block(iv)Na
  1. ((a))

    a - iii, b - iv, c - ii, d - i

  2. ((b))

    a - i, b - iii, c - ii, d - iv

  3. ((c))

    a - iv, b - iii, c - ii, d - i

  4. ((d))

    a - i, b - ii, c - iii, d - iv

Show Answer
Answer: ((a))

a - iii, b - iv, c - ii, d - i

60

What does the ‘Print Range’ option allow you to do when printing a document? 

  1. ((a))

    Add header and footer information to the printed pages  

  2. ((b))

    Choose the specific pages or range of pages to be printed  

  3. ((c))

    Adjust the size of the printed document to fit on a specific number of pages 

  4. ((d))

    Print the document with different fonts and styles 

Show Answer
Answer: ((a))

Add header and footer information to the printed pages  

61

Who among the following attacked Gujarat and plundered the Somnath Temple in the 11th century? 

  1. ((a))

    Ahmad Shah Abdali  

  2. ((b))

    Qutubuddin Aibak 

  3. ((c))

    Mahmud of Ghazni 

  4. ((d))

    Muhammad Bin Qasim 

Show Answer
Answer: ((a))

Ahmad Shah Abdali  

62

To which of the following gharanas of music did Ustad Amir Khan, a renowned vocalist, belong? 

  1. ((a))

    Agra 

  2. ((b))

    Jaipur-Atrauli 

  3. ((c))

    Rangeela 

  4. ((d))

    Indore 

Show Answer
Answer: ((a))

Agra 

63

According to the Centre for Monitoring Indian Economy (CMIE), in which state of India was the unemployment rate recorded as 0.1%, as of September 2022? 

  1. ((a))

    Chhattisgarh  

  2. ((b))

    Tamil Nadu 

  3. ((c))

    Madhya Pradesh  

  4. ((d))

    Uttarakhand  

Show Answer
Answer: ((a))

Chhattisgarh  

64

Which of the following Buddhist sites is NOT found in the Vengi region of Andhra Pradesh? 

  1. ((a))

    Nagarjunkonda 

  2. ((b))

    Amaravati 

  3. ((c))

    Chaukhandi 

  4. ((d))

    Jagayyapetta 

Show Answer
Answer: ((a))

Nagarjunkonda 

65

In which year was the Television (TV) service started in India?  

  1. ((a))

    1968

  2. ((b))

    1959

  3. ((c))

    1986

  4. ((d))

    1975

Show Answer
Answer: ((a))

1968

66

Electric field can be defined as: 

  1. ((a))

    energy per unit charge 

  2. ((b))

    force per unit current 

  3. ((c))

    energy per unit current 

  4. ((d))

    force per unit charge 

Show Answer
Answer: ((a))

energy per unit charge 

67

When did Bhagat Singh and Batukeshwar Dutt throw the bombs inside the Central Assembly in Delhi? 

  1. ((a))

    8 April 1929

  2. ((b))

    8 January 1929

  3. ((c))

    8 March 1929

  4. ((d))

    8 May 1929

Show Answer
Answer: ((a))

8 April 1929

68

Match the following columns. 

Column-AColumn-B
i.Fata.Sugar
ii.Proteinb.Calcium and Sodium
iii.Carbohydratec.Amino acid
iv.Mineralsd.Glycerol and fatty acid
  1. ((a))

    i-c, ii-d, iii-a, iv-b

  2. ((b))

    i-b, ii-a, iii-d, iv-c

  3. ((c))

    i-a, ii-b, iii-c, iv-d

  4. ((d))

    i-d, ii-c, iii-a, iv-b

Show Answer
Answer: ((a))

i-c, ii-d, iii-a, iv-b

69

According to the Census of India 2011, what is the sex ratio of Daman and Diu? 

  1. ((a))

    618

  2. ((b))

    518

  3. ((c))

    818

  4. ((d))

    718

Show Answer
Answer: ((a))

618

70

Which of the following adulterants is mixed with sunflower oil and sesame oil to increase their quantity? 

  1. ((a))

    Mustard oil 

  2. ((b))

    Lentil oil 

  3. ((c))

    Rhodamine 

  4. ((d))

    Argemone oil  

Show Answer
Answer: ((a))

Mustard oil 

71

Which of the following Acts is regarded as the precursor to the Indian Constitution? 

  1. ((a))

    Government of India Act of 1909  

  2. ((b))

    Government of India Act of 1945  

  3. ((c))

    Government of India Act of 1919 

  4. ((d))

    Government of India Act of 1935 

Show Answer
Answer: ((a))

Government of India Act of 1909  

72

Which of the following is the largest phylum of animalia? 

  1. ((a))

    Mollusca 

  2. ((b))

    Annelida 

  3. ((c))

    Chordata  

  4. ((d))

    Arthropoda  

Show Answer
Answer: ((a))

Mollusca 

73

Name the project which was launched for tackling the increasing HIV prevalence in the eight North-Eastern states.  

  1. ((a))

    Mission Aware 

  2. ((b))

    Mission Sampark  

  3. ((c))

    Project Sunrise 

  4. ((d))

    Project Empower 

Show Answer
Answer: ((a))

Mission Aware 

74

The boundary line separating one drainage basin from another is called _________.

  1. ((a))

    terrace 

  2. ((b))

    flood plain 

  3. ((c))

    peneplain 

  4. ((d))

    watershed 

Show Answer
Answer: ((a))

terrace 

75

Which of the following measures of money supply is considered most liquid? 

  1. ((a))

    M2

  2. ((b))

    M4

  3. ((c))

    M3

  4. ((d))

    M1

Show Answer
Answer: ((a))

M2

76

The first Bose-Einstein Condensate (BEC) made of which atom was reported by the team of Eric Cornell and Carl Wieman in 1995? 

  1. ((a))

    87Rb

  2. ((b))

    137Cs

  3. ((c))

    90Sr

  4. ((d))

    228Ra

Show Answer
Answer: ((a))

87Rb

77

Which of the following is a type of shield volcano that is large (up to several 1,000 m high and 200 km across) but NOT steep (usually 2° to 10°) and their magma is almost always mafic? 

  1. ((a))

    Mount Etna, Sicily 

  2. ((b))

    Mount Fuji, Japan 

  3. ((c))

    Kilauea volcano, Hawaii  

  4. ((d))

    Aguilera, Chile 

Show Answer
Answer: ((a))

Mount Etna, Sicily 

78

Where was India House founded in the UK? 

  1. ((a))

    Bristol 

  2. ((b))

    London 

  3. ((c))

    Edinburgh  

  4. ((d))

    Manchester  

Show Answer
Answer: ((a))

Bristol 

79

What is the total outlay for extended period of Comprehensive Handicrafts Cluster Development Scheme, which has been extended till FY 2026? 

  1. ((a))

    Rs. 100 crore

  2. ((b))

    Rs. 120 crore

  3. ((c))

    Rs. 160 crore

  4. ((d))

    Rs. 140 crore

Show Answer
Answer: ((a))

Rs. 100 crore

80

Select the correct pair of Indian classical dancers of Odissi style. 

  1. ((a))

    Meenakshi Sundaram Pillai and Savitha Sastry 

  2. ((b))

    Sujata Mohapatra and Madhavi Mudgal 

  3. ((c))

    Mallika Sarabhai and Shobha Naidu  

  4. ((d))

    Amala Shankar and Singhajit Singh 

Show Answer
Answer: ((a))

Meenakshi Sundaram Pillai and Savitha Sastry 

81

Which of the following is NOT included in fundamental duties? 

  1. ((a))

    Respect the national flag and the national anthem 

  2. ((b))

    Focus on personal development and individual activities only 

  3. ((c))

    To value and preserve the rich heritage of our composite culture 

  4. ((d))

    To uphold and protect the sovereignty, unity and integrity of India 

Show Answer
Answer: ((a))

Respect the national flag and the national anthem 

82

President of India, Droupadi Murmu met President of Republic of Suriname, ______ on the sidelines of the 17th Pravasi Bharatiya Divas Convention at Indore, Madhya Pradesh on 10 January 2023.  

  1. ((a))

    Johan Kraag 

  2. ((b))

    Ronald Venitiaan  

  3. ((c))

    Desi Bouterse 

  4. ((d))

    Chandrikaprasad Santokhi 

Show Answer
Answer: ((a))

Johan Kraag 

83

How are resources divided on the basis of status of development? 

  1. ((a))

    Biotic and abiotic  

  2. ((b))

    Renewable and non-renewable 

  3. ((c))

    Potential, developed, stock, and reserves  

  4. ((d))

    Individual, community, national and international 

Show Answer
Answer: ((a))

Biotic and abiotic  

84

Pandit Shambhu Maharajis a renowned ________ dancer. 

  1. ((a))

    Sattriya 

  2. ((b))

    Odissi 

  3. ((c))

    Kathak

  4. ((d))

    Kuchipudi 

Show Answer
Answer: ((a))

Sattriya 

85

Which of the following is an intermediate goods industry?  

  1. ((a))

    Manufacturing of Cars 

  2. ((b))

    Manufacturing of tools  

  3. ((c))

    Manufacturing of plants and machineries 

  4. ((d))

    Manufacturing of refrigerators 

Show Answer
Answer: ((a))

Manufacturing of Cars 

86

The Manusmriti, one of the best-known legal texts of early India, is written in ______.

  1. ((a))

    Pali 

  2. ((b))

    Sanskrit 

  3. ((c))

    Hindi 

  4. ((d))

    Prakrit

Show Answer
Answer: ((a))

Pali 

87

Which of the following items may NOT be treated as an intermediary good? 

  1. ((a))

    Maida produced in a flour mill  

  2. ((b))

    Maida used in a biscuit factory 

  3. ((c))

    Maida used in a house to make paratha 

  4. ((d))

    Maida used to produce bread in a bakery  

Show Answer
Answer: ((a))

Maida produced in a flour mill  

88

Protection of _______ is the fundamental duty of an Indian citizen. 

  1. ((a))

    holy scriptures 

  2. ((b))

    children and old people  

  3. ((c))

    villages 

  4. ((d))

    wildlife 

Show Answer
Answer: ((a))

holy scriptures 

89

Who among the following is NOT part of the Goods and Services Tax Council of India?

  1. ((a))

    Lieutenant Governors of Union Territories  

  2. ((b))

    Union Finance Minister 

  3. ((c))

    Union Minister of State in charge of Revenue or Finance 

  4. ((d))

    The Minister in-charge of Finance of each state or any other minister nominated by state government 

Show Answer
Answer: ((a))

Lieutenant Governors of Union Territories  

90

Who was the Governor-General during the Anglo-Nepal war?  

  1. ((a))

    Lord Auckland  

  2. ((b))

    Lord Hardinge 

  3. ((c))

    Lord Wellesley  

  4. ((d))

    Lord Hastings 

Show Answer
Answer: ((a))

Lord Auckland  

91

In which city will the 2024 Summer Olympic Games be held? 

  1. ((a))

    Beijing

  2. ((b))

    Berlin

  3. ((c))

    Paris

  4. ((d))

    Brishane

Show Answer
Answer: ((a))

Beijing

92

_______ Central Administrative Tribunal benches exist all over India, as of December 2022.  

  1. ((a))

    17

  2. ((b))

    16

  3. ((c))

    19

  4. ((d))

    18

Show Answer
Answer: ((a))

17

93

According to the Global Multidimensional Poverty Index 2022, around _______ people in India climbed out of poverty between 2005-06 and 2019- 21. 

  1. ((a))

    315 million 

  2. ((b))

    415 million

  3. ((c))

    500 million 

  4. ((d))

    450 million

Show Answer
Answer: ((a))

315 million 

94

Which of the following is an example of a homeothermic animal? 

  1. ((a))

    Salamander 

  2. ((b))

    Cobra 

  3. ((c))

    Tortoise 

  4. ((d))

    Penguin 

Show Answer
Answer: ((a))

Salamander 

95

In which of the following games is the term 'header' associated? 

  1. ((a))

    Badminton 

  2. ((b))

    Football  

  3. ((c))

    Cricket 

  4. ((d))

    Hockey 

Show Answer
Answer: ((a))

Badminton 

96

Which of the following factors are responsible for spoilage of stored food? 

  1. ((a))

    Low temperature and very high pressure  

  2. ((b))

    High temperature and pressure 

  3. ((c))

    Moisture and humidity that can allow microbial growth 

  4. ((d))

    High salt and spice content 

Show Answer
Answer: ((a))

Low temperature and very high pressure  

97

Which of the following factors is a geographical factor that affects the distribution of the population in India? 

  1. ((a))

    Industrialisation  

  2. ((b))

    Climate  

  3. ((c))

    Minerals  

  4. ((d))

    Urbanisation 

Show Answer
Answer: ((a))

Industrialisation  

98

What is the primary objective of cybersecurity? 

  1. ((a))

    To enhance internet connectivity  

  2. ((b))

    To prevent unauthorised access and data breaches

  3. ((c))

    To protect computers from physical damage 

  4. ((d))

    To create new software applications  

Show Answer
Answer: ((a))

To enhance internet connectivity  

99

What is the correct sequence of the zones of a pond ecosystem from the bottom to top? 

  1. ((a))

    Hypolimnion-Thermocline-Epilimnion 

  2. ((b))

    Litoral-Thermocline-Epilimnion 

  3. ((c))

    Hypolimnion-Thermocline-Litoral 

  4. ((d))

    Epilimnion -Hypolimnion-Thermocline  

Show Answer
Answer: ((a))

Hypolimnion-Thermocline-Epilimnion 

100

According to the Ministry of Textiles, Government of India (2022-23), which fiber crop is the major producer in Gujarat, Maharashtra and Telangana?

  1. ((a))

    Jute

  2. ((b))

    Cotton

  3. ((c))

    Natural Silk

  4. ((d))

    Hemp

Show Answer
Answer: ((a))

Jute

Mechanical Engineering (100 questions)

101

The value of the gross stage efficiency and Blade efficiency of the single stage of the impulse turbine are 65% and 78% respectively then the value of the nozzle efficiency will be 

  1. ((a))

    83.33% 

  2. ((b))

    50% 

  3. ((c))

    100% 

  4. ((d))

    50.7% 

Show Answer
Answer: ((a))

83.33% 

102

Which of the following statements is INCORRECT about the Benson boiler? 

  1. ((a))

    The Benson boiler is heavier than other boilers. 

  2. ((b))

    Benson boilers can be switched on very quickly. 

  3. ((c))

    In Benson boilers, drums are not used.  

  4. ((d))

    The average operating pressure for the Benson boiler is higher than 200 bar. 

Show Answer
Answer: ((a))

The Benson boiler is heavier than other boilers. 

103

The process of pushing the heated billet or slug of metal through an die orifice, thus forming an elongated part of a uniform cross-section corresponding to the shape of the die orifice is known as ________

  1. ((a))

    Extrusion process  

  2. ((b))

    Rolling process 

  3. ((c))

    Drawing process  

  4. ((d))

    Machining process 

Show Answer
Answer: ((a))

Extrusion process  

104

Which of the following statements is correct about water-tube and fire-tube boilers? 

  1. ((a))

    In case of water tube boilers, hot gases flow in the tubes. 

  2. ((b))

    In case of firetube boilers, hot gases are surrounded over the tubes. 

  3. ((c))

    In case of firetube boilers, water flows in the tubes. 

  4. ((d))

    In case of fire-tube boilers, hot gases flow in the tubes.  

Show Answer
Answer: ((a))

In case of water tube boilers, hot gases flow in the tubes. 

105

The figure shows the P-V diagram of the ____.

  1. ((a))

    open cycle gas turbine 

  2. ((b))

    steam engine 

  3. ((c))

    otto cycle  

  4. ((d))

    steam turbine  

Show Answer
Answer: ((a))

open cycle gas turbine 

106

What is the value of the density of water at 4°C?  

  1. ((a))

    10 gm/cm3

  2. ((b))

    1000 gm/cm​3

  3. ((c))

    1 gm/cm​3

  4. ((d))

    100 gm/cm​3

Show Answer
Answer: ((a))

10 gm/cm3

107

A closed vessel contains 5 kg of air, and 50 kJ of heat is given to it. If 75 kJ of work is done by the system, then which of the following is true?

(Take Cp = 1.005 kJ/kg-K, Cv = 0.718 kJ/kg-K)

  1. ((a))

    The temperature of the air will increase by 7° 

  2. ((b))

    The temperature of the air will decrease by 7° 

  3. ((c))

    The temperature of the air will increase by 5° 

  4. ((d))

    The temperature of the air will decrease by 34.8° 

Show Answer
Answer: ((a))

The temperature of the air will increase by 7° 

108

Which of the following turbine has 50% degree of reaction?  

  1. ((a))

    Curtis turbine 

  2. ((b))

    Hero's Turbine 

  3. ((c))

    Rateau turbine  

  4. ((d))

    Parson's turbine

Show Answer
Answer: ((a))

Curtis turbine 

109

If difference of axial components of velocity at inlet and outlet of a de-Laval turbine is found to be 120 m/s and mass flow rate of steam is 7 kg/s then axial thrust on the rotor is  

  1. ((a))

    840 N 

  2. ((b))

    17.14 N

  3. ((c))

    7 N

  4. ((d))

    120 N

Show Answer
Answer: ((a))

840 N 

110

The amount of water striking the runner of the reaction turbine is controlled by  

  1. ((a))

    draft tube 

  2. ((b))

    spear arrangement  

  3. ((c))

    casing 

  4. ((d))

    guide mechanism 

Show Answer
Answer: ((a))

draft tube 

111

What is the unit of measurement of actual evaporation in steam boilers? 

  1. ((a))

    kg fuel bunt / kg water evaporated  

  2. ((b))

    m3/kg

  3. ((c))

    kg water evaporated / kg fuel burnt 

  4. ((d))

    kg 

Show Answer
Answer: ((a))

kg fuel bunt / kg water evaporated  

112

A closed system undergoes a process in which the work done by the system is 100 J and the internal energy decreases by 50 J. According to the first law of thermodynamics, what is the amount of heat transferred into or out of the system?  

  1. ((a))

    150 J

  2. ((b))

    50 J

  3. ((c))

    -150 J

  4. ((d))

    -50 J

Show Answer
Answer: ((a))

150 J

113

Which of the following is the correct expression for pressure intensity? 

  1. ((a))

    P = ρgh

  2. ((b))

    P = 0.5 ρgh

  3. ((c))

    P = 2 ρgh

  4. ((d))

    P = 1.5 ρgh

Show Answer
Answer: ((a))

P = ρgh

114

In the context of work done of turbine, the power developed by the runner depends on which of the following parameters? 

  1. ((a))

    Velocity at the exit of draft tube 

  2. ((b))

    Blade velocity 

  3. ((c))

    Whirl and blade velocities 

  4. ((d))

    Whirl velocity only 

Show Answer
Answer: ((a))

Velocity at the exit of draft tube 

115

What will be the atmospheric pressure at a location where the barometric reading is 750 mm Hg and the gravitational acceleration is g = 9.81 m/s2? Assume the density of mercury to be 13,600 kg/m3.

  1. ((a))

    10.006 kPa 

  2. ((b))

    100.06 Pa 

  3. ((c))

    100.06 kPa 

  4. ((d))

    1000.6 Pa  

Show Answer
Answer: ((a))

10.006 kPa 

116

The evaporation of feedwater at 100°C into dry and saturated steam at 100°C at atmospheric pressure is known as ______.

  1. ((a))

    actual evaporation 

  2. ((b))

    boiler efficiency 

  3. ((c))

    boiler horsepower  

  4. ((d))

    equivalent evaporation  

Show Answer
Answer: ((a))

actual evaporation 

117

Which of the following is the correct item for Double Volute in centrifugal pumps? 

  1. ((a))

    Flow separation does not take place 

  2. ((b))

    Flow is separated into two equal streams by two-cut waters that are 90° apart 

  3. ((c))

    Flow is separated into two unequal streams by two-cut waters that are 90° apart 

  4. ((d))

    Flow is separated into two equal streams by two-cut waters that are 180° apart 

Show Answer
Answer: ((a))

Flow separation does not take place 

118

The bent tube of a Bourdon tube pressure gauge will change its shape when exposed to variations of _______.

  1. ((a))

    resistance  

  2. ((b))

    voltage 

  3. ((c))

    pressure

  4. ((d))

    displacement  

Show Answer
Answer: ((a))

resistance  

119

In aqua-ammonia absorption refrigeration system, incomplete rectification leads to accumulation of water in: 

  1. ((a))

    absorber 

  2. ((b))

    evaporator 

  3. ((c))

    heat exchanger 

  4. ((d))

    condenser 

Show Answer
Answer: ((a))

absorber 

120

The difference in low temperature cascade condenser temperature and high temperature cascade evaporator temperature is called ______

  1. ((a))

    degree of superheat 

  2. ((b))

    temperature overlap 

  3. ((c))

    average temperature 

  4. ((d))

    degree of subcooling 

Show Answer
Answer: ((a))

degree of superheat 

121

If the cutter and workpiece movements are in opposite directions, the milling process is known as - 

  1. ((a))

    Up milling 

  2. ((b))

    Down milling  

  3. ((c))

    Face milling 

  4. ((d))

    Side milling 

Show Answer
Answer: ((a))

Up milling 

122

In actual air-conditioning applications for R-12 and R-22 refrigerant and operating at a condenser temperature of 40°C and an evaporator temperature of 5°C, the heat rejection factor is about:  

  1. ((a))

    1.125

  2. ((b))

    2.15

  3. ((c))

    1

  4. ((d))

    5.12

Show Answer
Answer: ((a))

1.125

123

The pressure intensity at a point in a fluid is given as 3.924 N/cm2. What will be the corresponding height of fluid when the fluid is water?

  1. ((a))

    4 m of water 

  2. ((b))

    3.5 m of water  

  3. ((c))

    6 m of water 

  4. ((d))

    2.5 m of water  

Show Answer
Answer: ((a))

4 m of water 

124

If the line of stroke of a follower passes through the centre of rotation of a cam, then the cam is called ______.

  1. ((a))

    oscillating cam and follower 

  2. ((b))

    globoidal cam 

  3. ((c))

    radial cam  

  4. ((d))

    offset cam  

Show Answer
Answer: ((a))

oscillating cam and follower 

125

Scavenging phenomenon occurred in Two-stroke IC engine when 

  1. ((a))

    Both transfer Port and exhaust port are opened for a while simultaneously 

  2. ((b))

    Both transfer port and exhaust port are fully closed 

  3. ((c))

    Both inlet and outlet Valve are opened for a while simultaneously 

  4. ((d))

    Both inlet and outlet Valve are fully closed 

Show Answer
Answer: ((a))

Both transfer Port and exhaust port are opened for a while simultaneously 

126

Which of the following statements is correct regarding governor?  

  1. ((a))

    It controls acceleration of the prime mover. 

  2. ((b))

    It controls the temperature of the prime mover.  

  3. ((c))

    It controls the mean speed of the prime mover.  

  4. ((d))

    It is not a compulsory device of the prime mover. 

Show Answer
Answer: ((a))

It controls acceleration of the prime mover. 

127

On the stress-strain diagram, the material obeys Hooke's law till: 

  1. ((a))

    upper yield point 

  2. ((b))

    point of ultimate stress 

  3. ((c))

    lower yield point  

  4. ((d))

    elastic limit 

Show Answer
Answer: ((a))

upper yield point 

128

Which of the following statements is true about hot working process? 

  1. ((a))

    All hot working processes must be done above local environment temperature. 

  2. ((b))

    Hot working process of tin is also a cold working process. 

  3. ((c))

    It is a process of working above recrystallisation temperature of the materials. 

  4. ((d))

    It is a process of working above room temperature. 

Show Answer
Answer: ((a))

All hot working processes must be done above local environment temperature. 

129

The point of intersection of the line of action of the resultant hydrostatic force and the submerged surface is called _____. 

  1. ((a))

    centre of mass 

  2. ((b))

    centre of gravity 

  3. ((c))

    centre of buoyancy 

  4. ((d))

    centre of pressure 

Show Answer
Answer: ((a))

centre of mass 

130

The continuity equation ∂u∂x+∂v∂y=0\rm \frac{\partial u}{\partial x}+ \frac{\partial v}{\partial y}=0 is valid for a _____.

  1. ((a))

    unsteady, 2D, compressible flow  

  2. ((b))

    steady, 2D, compressible flow 

  3. ((c))

    steady, 2D, incompressible flow 

  4. ((d))

    unsteady, 2D, incompressible flow  

Show Answer
Answer: ((a))

unsteady, 2D, compressible flow  

131

According to _______, the intensity of pressure in a liquid at rest is constant in all directions. 

  1. ((a))

    Newton's law  

  2. ((b))

    Boyles law 

  3. ((c))

    hydrostatic law  

  4. ((d))

    Pascal's law  

Show Answer
Answer: ((a))

Newton's law  

132

Which of the following statements is correct about the forced-draught fan used in steam boilers? 

  1. ((a))

    The power required by an induced-draught fan is equal to that required by a forced-draught fan for the same amount of draught. 

  2. ((b))

    The power required by an induced-draught fan is less than that required by a forced-draught fan for the same amount of draught. 

  3. ((c))

    The power required by an induced-draught fan is greater than that required by a forced-draught fan for the same amount of draught. 

  4. ((d))

    The power required by an induced-draught fan may be greater than or less than that required by a forced-draught fan for the same amount of draught. 

Show Answer
Answer: ((a))

The power required by an induced-draught fan is equal to that required by a forced-draught fan for the same amount of draught. 

133

A solid circular shaft of diameter d is subjected to the twisting moment T. Which of the following relations can be used to determine the stress developed in the shaft?

  1. ((a))

    τ=16Tπd3\rm \tau=\frac{16T}{\pi d^3}

  2. ((b))

    τ=32Tπd3\rm \tau=\frac{32T}{\pi d^3}

  3. ((c))

    τ=128Tπd3\rm \tau=\frac{128T}{\pi d^3}

  4. ((d))

    τ=64Tπd3\rm \tau=\frac{64T}{\pi d^3}

Show Answer
Answer: ((a))

τ=16Tπd3\rm \tau=\frac{16T}{\pi d^3}

134

In which of the following cycles does heat addition NOT take place at constant volume? 

  1. ((a))

    Lenoir cycle 

  2. ((b))

    Dual cycle 

  3. ((c))

    Otto cycle 

  4. ((d))

    Diesel cycle 

Show Answer
Answer: ((a))

Lenoir cycle 

135

An impulse turbine is running at 1000 rpm with a net head 600 m. If the discharge through the nozzle is 0.1 m3/s, then what will be the power available at the nozzle? Take g = 10 m/s2.

  1. ((a))

    450 kW

  2. ((b))

    600 kW

  3. ((c))

    525 kW

  4. ((d))

    700 kW

Show Answer
Answer: ((a))

450 kW

136

Which of the following is NOT the part of venturimeter setup?

  1. ((a))

    Throat 

  2. ((b))

    Float 

  3. ((c))

    Converging part 

  4. ((d))

    Diverging part  

Show Answer
Answer: ((a))

Throat 

137

Ammoniais NOT used in domestic refrigeration and comfort air-conditioning because: 

  1. ((a))

    Its heat transfer coefficient is very low 

  2. ((b))

    it is toxic and flammable  

  3. ((c))

    lubricating oil is not soluble in ammonia at all 

  4. ((d))

    it is not soluble in water  

Show Answer
Answer: ((a))

Its heat transfer coefficient is very low 

138

If the temperature of 'A' is equal to the temperature of 'B' and 'C’, then the temperature of 'B' will be equal to the temperature of 'C'. This is known as:  

  1. ((a))

    Joule’s law 

  2. ((b))

    law of thermal equilibrium  

  3. ((c))

    law of equality of temperature 

  4. ((d))

    zeroth law of thermodynamics 

Show Answer
Answer: ((a))

Joule’s law 

139

The SI unit of specific heat is:  

  1. ((a))

    J/kg 

  2. ((b))

    Jkg/K 

  3. ((c))

    J/kg K  

  4. ((d))

    JK/kg  

Show Answer
Answer: ((a))

J/kg 

140

In case of dual cycle of an IC engine, heat addition is ________

  1. ((a))

    only an isobaric process 

  2. ((b))

    anisentropic process  

  3. ((c))

    both an isochoric and an isobaric process 

  4. ((d))

    only an isochoric process 

Show Answer
Answer: ((a))

only an isobaric process 

141

Which of the following evaporators are also known as prime-surface evaporators? 

  1. ((a))

    Shell-and-tube evaporators  

  2. ((b))

    Finned-tube evaporators 

  3. ((c))

    Plate evaporators 

  4. ((d))

    Bare-tube coil evaporators 

Show Answer
Answer: ((a))

Shell-and-tube evaporators  

142

In which percentage generally is lubricating oil mixed with the fuel, which is then inducted into the carburettor in a mist lubricating system? 

  1. ((a))

    40% to 50% 

  2. ((b))

    30% to 40%  

  3. ((c))

    3% to 6%  

  4. ((d))

    Zero

Show Answer
Answer: ((a))

40% to 50% 

143

Which of the following point angles of a twist drill is used for general purpose work? 

  1. ((a))

    128° 

  2. ((b))

    118° 

  3. ((c))

    108° 

  4. ((d))

    138° 

Show Answer
Answer: ((a))

128° 

144

The function of an air pre-heater is _________

  1. ((a))

    to decrease the temperature of air after entering the furnace  

  2. ((b))

    to increase the temperature of air after entering the furnace 

  3. ((c))

    to decrease the temperature of air before entering the furnace 

  4. ((d))

    to increase the temperature of air before entering the furnace 

Show Answer
Answer: ((a))

to decrease the temperature of air after entering the furnace  

145

What will be the specific weight of one litre of petrol of specific gravity 0.7? (Take g = 9.81 m/sec2)

  1. ((a))

    5436 N/m3

  2. ((b))

    6867 N/m3

  3. ((c))

    7286 N/m3

  4. ((d))

    6256 N/m3

Show Answer
Answer: ((a))

5436 N/m3

146

Which of the following statements related to rope drives is INCORRECT?  

  1. ((a))

    It is used to transmit power only for shorter distances.  

  2. ((b))

    Rope drives have high mechanical efficiency. 

  3. ((c))

    Shafts do not require exact alignment. 

  4. ((d))

    It has good crushing resistance. 

Show Answer
Answer: ((a))

It is used to transmit power only for shorter distances.  

147

Which fluid is used to increase the rate of evaporation of the liquid ammonia passing through the evaporator in domestic Electrolux refrigeration system?  

  1. ((a))

    Water 

  2. ((b))

    Ammonia  

  3. ((c))

    Mercury 

  4. ((d))

    Hydrogen 

Show Answer
Answer: ((a))

Water 

148

Which of the following equations is used to calculate major losses in pipes? 

  1. ((a))

    Continuity equation 

  2. ((b))

    Momentum equation 

  3. ((c))

    Darcy-Weisbach equation 

  4. ((d))

    Reynolds’s equation  

Show Answer
Answer: ((a))

Continuity equation 

149

Which of the following about work transfer is NOT correct? 

  1. ((a))

    Work is given by the area under the curve on pV diagram in case of non-flow process. 

  2. ((b))

    Work transfer is a boundary phenomenon. 

  3. ((c))

    Work transfer is a thermodynamic property. 

  4. ((d))

    Work is a transient phenomenon. 

Show Answer
Answer: ((a))

Work is given by the area under the curve on pV diagram in case of non-flow process. 

150

0.2 m3 of an ideal gas at the pressure of 2 MPa and 600 K is expanded isothermally to 5 times the initial volume. Itis then cooled to 300 K at constant volume and then, compressed back polytropically to its initial state. The pressure just after the constant volume process is _______.

  1. ((a))

    0.2 MPa

  2. ((b))

    2.0 MPa

  3. ((c))

    0.8 MPa

  4. ((d))

    0.4 MPa

Show Answer
Answer: ((a))

0.2 MPa

151

Match the types of refrigerants with their representations.

Type of RefrigerantRepresentation
1.CFC refrigerantsa.R-22
2.HFC refrigerantsb.R-11
3.HC refrigerantsc.R-134a
4.HCFC refrigerantsd.R-290
  1. ((a))

    1 - a, 2 - c, 3 - d, 4 - b

  2. ((b))

    1 - a, 2 - d, 3 - b, 4 - c

  3. ((c))

    1 - b, 2 - d, 3 - c, 4 - a

  4. ((d))

    1 - b, 2 - c, 3 - d, 4 - a

Show Answer
Answer: ((a))

1 - a, 2 - c, 3 - d, 4 - b

152

In the Bell-Coleman refrigeration cycle, the temperature of the refrigerant is maximum at the: 

  1. ((a))

    end of constant pressure cooling process 

  2. ((b))

    end of isentropic expansion 

  3. ((c))

    end of isentropic compression 

  4. ((d))

    start of isentropic compression  

Show Answer
Answer: ((a))

end of constant pressure cooling process 

153

The reversible adiabatic process in Mollier chart is represented by ________

  1. ((a))

    a line parallel to the saturated vapour line 

  2. ((b))

    a vertical line 

  3. ((c))

    a horizontal line 

  4. ((d))

    a line parallel to the saturated water line  

Show Answer
Answer: ((a))

a line parallel to the saturated vapour line 

154

Which of the following equations is NOT used in deriving the expression for discharge through the steam nozzle? 

  1. ((a))

    Continuity equation 

  2. ((b))

    Newton's equation of viscosity 

  3. ((c))

    Momentum equation 

  4. ((d))

    Steady flow energy equation  

Show Answer
Answer: ((a))

Continuity equation 

155

A workpiece is taper turned using lathe, where large diameter of workpiece is D and small diameter d. If the length of this workpiece is L, then half angle a is given by: 

  1. ((a))

    tan⁡α=(D−d)2L\rm \tan \alpha=\frac{(D-d)}{2L}

  2. ((b))

    tan⁡α=(D−d)3L\rm \tan \alpha=\frac{(D-d)}{3L}

  3. ((c))

    tan⁡α=(D−d)L\rm \tan \alpha=\frac{(D-d)}{L}

  4. ((d))

    tan⁡α=(D−d)4L\rm \tan \alpha=\frac{(D-d)}{4L}

Show Answer
Answer: ((a))

tan⁡α=(D−d)2L\rm \tan \alpha=\frac{(D-d)}{2L}

156

In a Carnot cycle, ________

  1. ((a))

    only isothermal processes are reversible 

  2. ((b))

    all processes are irreversible 

  3. ((c))

    all processes are reversible 

  4. ((d))

    only adiabatic processes are reversible  

Show Answer
Answer: ((a))

only isothermal processes are reversible 

157

What pressure head of kerosene of specific gravity 0.8 will be equivalent to a pressure head of 100 m of water? 

  1. ((a))

    125 m

  2. ((b))

    100 m

  3. ((c))

    120 m

  4. ((d))

    110 m

Show Answer
Answer: ((a))

125 m

158

Which of the following is a suitable unit for measuring the capacity of refrigeration? 

  1. ((a))

    kg

  2. ((b))

    TR

  3. ((c))

    kJ

  4. ((d))

    Kw/kg

Show Answer
Answer: ((a))

kg

159

Latent heat of vaporisation is NOT the _______.

  1. ((a))

    heat required for complete conversion of saturated liquid into dry saturated vapour 

  2. ((b))

    heat required for complete conversion of ice into water 

  3. ((c))

    heat added at constant temperature of 100°C to convert water into steam 

  4. ((d))

    sum of internal latent heat and external work of evaporation 

Show Answer
Answer: ((a))

heat required for complete conversion of saturated liquid into dry saturated vapour 

160

Which of the following statements about equilibrium is correct? 

  1. ((a))

    Summation of all the forces acting in all the possible directions must be non-zero. 

  2. ((b))

    Summation of all the forces acting in all the possible directions must be zero. 

  3. ((c))

    Summation of all the forces acting in one direction must be zero. 

  4. ((d))

    Summation of all the forces acting in one direction must not be zero. 

Show Answer
Answer: ((a))

Summation of all the forces acting in all the possible directions must be non-zero. 

161

In the given T-S diagram of Otto cycle, which of the following processes is a heat addition process? 

  1. ((a))

    2-3

  2. ((b))

    1-2

  3. ((c))

    4-1

  4. ((d))

    3-4

Show Answer
Answer: ((a))

2-3

162

The correct expression for the dimensional formula of volumetric discharge in the fluid equations is given by ______.

  1. ((a))

    L3T-1

  2. ((b))

    L3T-3

  3. ((c))

    L3T-2

  4. ((d))

    L2T-1

Show Answer
Answer: ((a))

L3T-1

163

The unit of density in FPS (Foot Pound System) is given by:  

  1. ((a))

    lb/ft3

  2. ((b))

    lb/ft2

  3. ((c))

    lb/ft1

  4. ((d))

    Lb2/ft3

Show Answer
Answer: ((a))

lb/ft3

164

In the boiler mountings, the blow-off cock is fitted at ______.

  1. ((a))

    the top of the boiler shell 

  2. ((b))

    the middle of the boiler shell 

  3. ((c))

    the bottom of the boiler shell 

  4. ((d))

    near the steam supply line 

Show Answer
Answer: ((a))

the top of the boiler shell 

165

A thermometer works on the principle of _______.

  1. ((a))

    2nd |aw of thermodynamics

  2. ((b))

    Joules law 

  3. ((c))

    3rd Jaw of thermodynamics

  4. ((d))

    Zeroth law of thermodynamics 

Show Answer
Answer: ((a))

2nd |aw of thermodynamics

166

The velocity of flow between two adjacent streamlines is inversely proportional to the: 

  1. ((a))

    specific weight 

  2. ((b))

    volume flow rate 

  3. ((c))

    circulation 

  4. ((d))

    spacing of the streamlines  

Show Answer
Answer: ((a))

specific weight 

167

Functionality of nozzle is that, ________

  1. ((a))

    It produces steam at very low pressure 

  2. ((b))

    It produces steam jet at very high pressure 

  3. ((c))

    It produces steam jet at very high velocity 

  4. ((d))

    It produces steam at very low velocity  

Show Answer
Answer: ((a))

It produces steam at very low pressure 

168

Which of the following is NOT a type of steam separator? 

  1. ((a))

    Reciprocating type 

  2. ((b))

    Impact or baffle type  

  3. ((c))

    Centrifugal type 

  4. ((d))

    Reverse current type 

Show Answer
Answer: ((a))

Reciprocating type 

169

If the C.O.P. of 1 TR ammonia-water absorption refrigeration plant is 0.5, then the heat supplied in the generator is (1 TR = 3.51 kw) 

  1. ((a))

    10.5 kW

  2. ((b))

    1.5 kW

  3. ((c))

    7 kW

  4. ((d))

    3.5 kW

Show Answer
Answer: ((a))

10.5 kW

170

Which of the following is NOT an example of brittle material? 

  1. ((a))

    High carbon steel 

  2. ((b))

    Aluminium 

  3. ((c))

    Ceramic materials  

  4. ((d))

    Cast iron 

Show Answer
Answer: ((a))

High carbon steel 

171

A Kaplan turbine has an outside diameter of runner and hub diameter as 4 m and 2 m, respectively. If the velocity of flow at inlet is 8 m/s, then what will be the discharge passing through the turbine? 

  1. ((a))

    68 m3/s

  2. ((b))

    6.8 m3/s

  3. ((c))

    7.536 m3/s

  4. ((d))

    75.36 m3/s

Show Answer
Answer: ((a))

68 m3/s

172

Which one of the following is correct statement about Blade cross sectional fluid flow area from inlet to outlet of a turbine? 

  1. ((a))

    Constant for impulse turbine and diverging for reaction turbine 

  2. ((b))

    Constant for reaction turbine and converging for impulse turbine 

  3. ((c))

    Constant for impulse turbine and converging for reaction turbine 

  4. ((d))

    Constant for reaction turbine and diverging for impulse turbine 

Show Answer
Answer: ((a))

Constant for impulse turbine and diverging for reaction turbine 

173

For the same temperature limit, which of the following cycles has maximum efficiency? 

  1. ((a))

    Otto cycle 

  2. ((b))

    Carnot cycle 

  3. ((c))

    Normal Stirling cycle 

  4. ((d))

    Diesel cycle  

Show Answer
Answer: ((a))

Otto cycle 

174

Which of the following types of simple manometers measures the gauge pressure of only incompressible fluids? 

  1. ((a))

    Piezometer 

  2. ((b))

    Single column manometer 

  3. ((c))

    U-tube manometer  

  4. ((d))

    Differential U-tube manometer 

Show Answer
Answer: ((a))

Piezometer 

175

Which among the following options has same thermal efficiency under ideal conditions (Operate within the same temperature)?  

  1. ((a))

    Carnot and dual cycle 

  2. ((b))

    Carnot cycle and Stirling cycle 

  3. ((c))

    Carnot cycle and Otto cycle 

  4. ((d))

    Carnot cycle and Brayton cycle  

Show Answer
Answer: ((a))

Carnot and dual cycle 

176

Which of the following ideal gas processes has the highest polytropic index? 

  1. ((a))

    Isentropic process 

  2. ((b))

    Isochoric process 

  3. ((c))

    Isothermal process 

  4. ((d))

    Isobaric process 

Show Answer
Answer: ((a))

Isentropic process 

177

Which of the following is the advantage of axial flow pump? 

  1. ((a))

    Low volumetric discharge 

  2. ((b))

    Medium discharge pressure  

  3. ((c))

    High head 

  4. ((d))

    High volumetric discharge 

Show Answer
Answer: ((a))

Low volumetric discharge 

178

In two-stroke petrol engine, the air Fuel mixture is prepared 

  1. ((a))

    Inside the Transfer Port  

  2. ((b))

    Inside the carburetor and Inside the cylinder 

  3. ((c))

    Inside the carburetor but outside the cylinder

  4. ((d))

    Inside the Crank case chamber 

Show Answer
Answer: ((a))

Inside the Transfer Port  

179

What will be the ratio of the pressure intensities of two fluids, one with a liquid column of 0.4 m of water and the other with a liquid column of 0.2 m of an oil of specific gravity 0.8? 

  1. ((a))

    32\frac{3}{2}

  2. ((b))

    2

  3. ((c))

    72\frac{7}{2}

  4. ((d))

    52\frac{5}{2}

Show Answer
Answer: ((a))

32\frac{3}{2}

180

A cantilever beam carries a uniformly distributed load over a span of 1 m as shown in the figure below. The reactive moment at point A is _____.

  1. ((a))

    30 kN-m 

  2. ((b))

    0 kN-m 

  3. ((c))

    10 kN-m 

  4. ((d))

    5 kN-m 

Show Answer
Answer: ((a))

30 kN-m 

181

For a laminar flow through a circular pipe, the wall shear stress across a section is a function of _______

  1. ((a))

    the pressure gradient dpdz\rm \frac{dp}{dz} and the radial coordinate r

  2. ((b))

    the pressure gradient dpdz\rm \frac{dp}{dz} and the radius r

  3. ((c))

    the pressure gradient dpdz\rm \frac{dp}{dz} and the axial velocity Vz

  4. ((d))

    only the pressure gradient dpdz\rm \frac{dp}{dz}

Show Answer
Answer: ((a))

the pressure gradient dpdz\rm \frac{dp}{dz} and the radial coordinate r

182

If head imparted by impeller to water is equal to manometric head, then the manometric efficiency of the centrifugal pump will be: 

  1. ((a))

    75%

  2. ((b))

    50%

  3. ((c))

    100%

  4. ((d))

    0%

Show Answer
Answer: ((a))

75%

183

If the pressure intensity at a point in a fluid is given as 2.7 N/cm2, then what will be the pressure head of oil of specific gravity 0.9 at that point? Take g = 10 m/s2.

  1. ((a))

    3 mm of oil 

  2. ((b))

    3 m of oil 

  3. ((c))

    3 cm of oil  

  4. ((d))

    30 cm of ail 

Show Answer
Answer: ((a))

3 mm of oil 

184

If 5 litres of a certain oil weighs 30 N, then what will be the specific weight of that oil? 

  1. ((a))

    6000 N/m3

  2. ((b))

    3000 N/m3

  3. ((c))

    600 N/m3

  4. ((d))

    300 N/m3

Show Answer
Answer: ((a))

6000 N/m3

185

A circular opening, 3 m diameter, in a vertical side of a tank is closed by a disc of 3 m diameter which can rotate about a horizontal diameter and depth of centre of gravity from free surface is 4 m. What will be the total pressure on the disc? 

  1. ((a))

    277.4 kN

  2. ((b))

    175.7 kN

  3. ((c))

    234.89 kN

  4. ((d))

    100 kN

Show Answer
Answer: ((a))

277.4 kN

186

Water is flowing steadily at a velocity of 20 m/s through a pipe of diameter 0.2 m. The pressure and elevation at point X are 400 kN/m2 and 32 m, respectively, while those at another point Y are 300 kN/m2 and 34 m, respectively. What will be the head loss between the points X and Y?

Take g = 10 m/s2.

  1. ((a))

    6 m

  2. ((b))

    8 m

  3. ((c))

    4 m

  4. ((d))

    10 m

Show Answer
Answer: ((a))

6 m

187

In Bell-Coleman Cycle, the pressure at the end of isentropic compression is same as: 

  1. ((a))

    the pressure in constant pressure expansion 

  2. ((b))

    the pressure at the start of isentropic expansion 

  3. ((c))

    the pressure at the end of isentropic expansion 

  4. ((d))

    the pressure at the start of isentropic compression  

Show Answer
Answer: ((a))

the pressure in constant pressure expansion 

188

Which of the following is NOT a merit of dead weight safety valve? 

  1. ((a))

    It is a good choice for low-pressure vessels 

  2. ((b))

    Suitable for high pressure boiler 

  3. ((c))

    Gives satisfactory performance during operation  

  4. ((d))

    Simplicity of design 

Show Answer
Answer: ((a))

It is a good choice for low-pressure vessels 

189

If the manometric efficiency and mechanical efficiency of a centrifugal pump are 70% and 80%, respectively, then the overall efficiency will be: 

  1. ((a))

    40%

  2. ((b))

    56%

  3. ((c))

    80%

  4. ((d))

    75%

Show Answer
Answer: ((a))

40%

190

The dimensional formula for specific gravity is given by:  

  1. ((a))

    M1L0T1

  2. ((b))

    M1L1T0

  3. ((c))

    M0L0T0

  4. ((d))

    M0L1T1

Show Answer
Answer: ((a))

M1L0T1

191

Which of the following is a forced circulation type of boiler? 

  1. ((a))

    Cochran boiler  

  2. ((b))

    Lancashire boiler  

  3. ((c))

    LaMont boiler 

  4. ((d))

    Babcock & Wilcox boiler 

Show Answer
Answer: ((a))

Cochran boiler  

192

Which of the following is an isochoric process? 

  1. ((a))

    Heat is supplied during evaporation. 

  2. ((b))

    Heat supplied is zero. 

  3. ((c))

    Heating of steam in a closed rigid vessel. 

  4. ((d))

    Heating of steam in a cylinder containing a sliding piston. 

Show Answer
Answer: ((a))

Heat is supplied during evaporation. 

193

Which of the following statements holds true, according to Kelvin Planck’s statement? 

  1. ((a))

    Some amount of heat taken from a source must be rejected to a higher temperature sink.  

  2. ((b))

    Perpetual motion machine of the 2nd kind is impossible. 

  3. ((c))

    It restricts the engine to have mechanical efficiency lesser than unity. 

  4. ((d))

    A heat engine must exchange heat from a single heat reservoir. 

Show Answer
Answer: ((a))

Some amount of heat taken from a source must be rejected to a higher temperature sink.  

194

The ratio of the actual mass flow rate to that due to isentropic expansion in the steam nozzle is known as _______.

  1. ((a))

    coefficient of discharge 

  2. ((b))

    Mach number  

  3. ((c))

    critical pressure ratio  

  4. ((d))

    nozzle efficiency  

Show Answer
Answer: ((a))

coefficient of discharge 

195

What is the main function of the condenser in a Rankine cycle power plant? 

  1. ((a))

    To decrease the efficiency of the cycle 

  2. ((b))

    To condense the steam till it transforms into saturated liquid 

  3. ((c))

    To increase the temperature of the cooling water 

  4. ((d))

    To increase the pressure of the steam 

Show Answer
Answer: ((a))

To decrease the efficiency of the cycle 

196

The direction of the friction force is: 

  1. ((a))

    in the opposite direction of motion of the body or in the opposite direction of the tendency to move 

  2. ((b))

    in the perpendicular direction of the motion of the body 

  3. ((c))

    in the inclined direction of the motion of the body  

  4. ((d))

    in the direction of motion of the body 

Show Answer
Answer: ((a))

in the opposite direction of motion of the body or in the opposite direction of the tendency to move 

197

Heat addition during the constant pressure process is equal to ________

  1. ((a))

    change in entropy 

  2. ((b))

    change in internal energy  

  3. ((c))

    specific heat 

  4. ((d))

    change in enthalpy

Show Answer
Answer: ((a))

change in entropy 

198

In the refrigeration system, heat rejection factor is the ratio of _______.

  1. ((a))

    load on the condenser to the COP 

  2. ((b))

    refrigeration capacity to the work done by compressor 

  3. ((c))

    work done by compressor to the refrigeration capacity 

  4. ((d))

    heat rejected to the refrigeration capacity  

Show Answer
Answer: ((a))

load on the condenser to the COP 

199

Which of the following pressure measurement devices consists of a hollow metal tube bent like a hook whose end is closed and connected to a dial indicator needle? 

  1. ((a))

    Piezoelectric transducers  

  2. ((b))

    Strain-gauge pressure transducers 

  3. ((c))

    Bourdon tube 

  4. ((d))

    Pressure transducers  

Show Answer
Answer: ((a))

Piezoelectric transducers  

200

If the lower temperature fixed by the refrigeration application is high, the C.O.P. of the Carnot refrigerator will be ________

  1. ((a))

    less

  2. ((b))

    very less

  3. ((c))

    the same

  4. ((d))

    high

Show Answer
Answer: ((a))

less

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