Official Paper

RRB ALP Electronics Mechanic 23 Jan 2019 Official Paper (Shift 3) (Previous Year Paper)

175 questions · 150 minutes · with answers · free

Attempt as Timed Mock Test

Part A (100 questions)

1

Name the scientist who discovered bacteria ?

  1. ((a))

    Robert Koch

  2. ((b))

    James Chadwick

  3. ((c))

    Eugen Goldstein

  4. ((d))

    A V Leeuwenhoek

Show Answer
Answer: ((a))

Robert Koch

2

If a body has a specific gravity of less than 1, then it will float in/on ___________.

  1. ((a))

    air

  2. ((b))

    water

  3. ((c))

    liquids

  4. ((d))

    mercury

Show Answer
Answer: ((a))

air

3

Which of the following options does not have an SI base unit?

  1. ((a))

    Amount of substance

  2. ((b))

    Frequency

  3. ((c))

    Luminous intensity

  4. ((d))

    Electric current

Show Answer
Answer: ((a))

Amount of substance

4

How many medals did India win in Rio Olympics, 2016?

  1. ((a))

    3

  2. ((b))

    4

  3. ((c))

    2

  4. ((d))

    5

Show Answer
Answer: ((a))

3

5

It is mainly due to the gravitational effect of the __________ on the rotating earth that the level of water in the sea rises and falls.

  1. ((a))

    Venus

  2. ((b))

    Mercury

  3. ((c))

    Moon

  4. ((d))

    Sun

Show Answer
Answer: ((a))

Venus

6

Two resistance of 2Ω and 6Ω are connected in series and this combination is connected across a 12 V battery. Find the current in the 6Ω resistor.

  1. ((a))

    3.5 A

  2. ((b))
    1. 5 A
  3. ((c))

    0.5 A

  4. ((d))

    2.5 A

Show Answer
Answer: ((a))

3.5 A

7

Substances that are broken down by biological processes are said to be _________.

  1. ((a))

    reusable

  2. ((b))

    non-biodegradabl

  3. ((c))

    non-reusable

  4. ((d))

    biodegradable

Show Answer
Answer: ((a))

reusable

8

A software program that has been developed to harm other computers is called a/an _________.

  1. ((a))

    server

  2. ((b))

    LAN

  3. ((c))

    malware

  4. ((d))

    operating system

Show Answer
Answer: ((a))

server

9

Kuchipudi has its roots in which Indian State?

  1. ((a))

    Arunachal Pradesh

  2. ((b))

    Kerala

  3. ((c))

    Andhra Pradesh

  4. ((d))

    Himachal Pradesh

Show Answer
Answer: ((a))

Arunachal Pradesh

10

Which Indian cricketer received the Padma Bhushan in 2018?

  1. ((a))

    MS Dhoni

  2. ((b))

    Virat Kohli

  3. ((c))

    Sachin Tendulkar

  4. ((d))

    Saurav Ganguly

Show Answer
Answer: ((a))

MS Dhoni

11

JPEG stands for __________.

  1. ((a))

    Joint Program Experts Group

  2. ((b))

    Joint Program Executing Group

  3. ((c))

    Joint Photographic Experts Group

  4. ((d))

    Joint Program Experimental Group.

Show Answer
Answer: ((a))

Joint Program Experts Group

12

Two resistors, one of 12 Ω and the other of 24 Ω are connected in parallel. This combination is connected in series with a 22 Ω resistor and a 12 V battery. The current in the 12 Ω resistor is __________.

  1. ((a))

    (8/15) A

  2. ((b))

    (2/15) A

  3. ((c))

    (6/15) A

  4. ((d))

    (4/15) A

Show Answer
Answer: ((a))

(8/15) A

13

RK Narayan is famous for his book ___________.

  1. ((a))

    The Room on the Roof

  2. ((b))

    Two Livers

  3. ((c))

    Malgudi Days

  4. ((d))

    A suitable Boy

Show Answer
Answer: ((a))

The Room on the Roof

14

_________ protection must be worn whenever noise levels exceed the noise exposure standard.

  1. ((a))

    Hearing

  2. ((b))

    Head

  3. ((c))

    Eye

  4. ((d))

    Foot

Show Answer
Answer: ((a))

Hearing

15

A wire of length 1 and radius r has a resistance R. The resistance of another wire made of the same material but having half its length and half its radius will be.

  1. ((a))

    4R

  2. ((b))

    R/2

  3. ((c))

    2R

  4. ((d))

    R

Show Answer
Answer: ((a))

4R

16

Safety boots or shoes must be worn in designated areas to protect your _______  from falling objects.

  1. ((a))

    eye

  2. ((b))

    ear

  3. ((c))

    head

  4. ((d))

    feet

Show Answer
Answer: ((a))

eye

17

A cylindrical wire of length L and radius r has a resistance of R. The resistance of another wire of the same material but thrice its length and one-third its radius will be __________.

  1. ((a))

    27R

  2. ((b))

    9R

  3. ((c))

    R

  4. ((d))

    3R

Show Answer
Answer: ((a))

27R

18

If a body is NOT homogeneous, then its density is a function of its ___________.

  1. ((a))

    pressure

  2. ((b))

    acceleration

  3. ((c))

    position

  4. ((d))

    velocity

Show Answer
Answer: ((a))

pressure

19

Two resistors of 10Ω and 20 Ω area connected in series and this combination is connected across a 30 V supply voltage. Find the voltage across the 10 Ω resistor.

  1. ((a))

    20 V

  2. ((b))

    10 V

  3. ((c))

    5 V

  4. ((d))

    15 V

Show Answer
Answer: ((a))

20 V

20

Which one of these is a harvest festival? 

  1. ((a))

    Teej

  2. ((b))

    Janmashtami

  3. ((c))

    Deepawali

  4. ((d))

    Onam

Show Answer
Answer: ((a))

Teej

21

86°F is equal to __________

  1. ((a))

    20°C

  2. ((b))

    30°C

  3. ((c))

    34°C

  4. ((d))

    10°C

Show Answer
Answer: ((a))

20°C

22

Where is the Headquarters of UNESCO located?

  1. ((a))

    New York City

  2. ((b))

    Geneva

  3. ((c))

    Paris

  4. ((d))

    Washington DC

Show Answer
Answer: ((a))

New York City

23

Name of the painter of famous painting, ‘Mahishasura’.

  1. ((a))

    MF Hussain

  2. ((b))

    Amrita Sher-Gil

  3. ((c))

    Raja Ravi Verma

  4. ((d))

    Tyeb Mehta

Show Answer
Answer: ((a))

MF Hussain

24

What is the work that needs to be done to increase the speed of a 1 kg ball from 2 m/s to 4 m/s?

  1. ((a))

    8 J

  2. ((b))

    10 J

  3. ((c))

    6 J

  4. ((d))

    12 J

Show Answer
Answer: ((a))

8 J

25

The Ajanta Caves in Maharashtra feature paintings and sculptures that depict __________ tales.

  1. ((a))

    Arabic

  2. ((b))

    Islamic

  3. ((c))

    Buddhist

  4. ((d))

    Maratha

Show Answer
Answer: ((a))

Arabic

26

The volume of a given amount of water ________ between 0°C to 4°C.

  1. ((a))

    is zero

  2. ((b))

    decreases

  3. ((c))

    remains constant

  4. ((d))

    increases

Show Answer
Answer: ((a))

is zero

27

Two resistance of 2Ω and 6Ω are connected in series and this combination is connected across a 12 V  bettery. Find the power supplied by the battery.

  1. ((a))

    10 W

  2. ((b))

    18 W

  3. ((c))

    16 W

  4. ((d))

    14 W

Show Answer
Answer: ((a))

10 W

28

An object weighs X units on the earth. If we take the same object to the moon, its weight there will be ________.

  1. ((a))

    zero

  2. ((b))

    less than X

  3. ((c))

    equal to X

  4. ((d))

    more than X

Show Answer
Answer: ((a))

zero

29

A body starts from rest. Its displacement is proportional to _________ when its acceleration is constant.

  1. ((a))

    time squared

  2. ((b))

    velocity

  3. ((c))

    work

  4. ((d))

    time

Show Answer
Answer: ((a))

time squared

30

A source of voltage V maintains a current i in a circuit. The energy supplied to the circuit by the source in time t is __________.

  1. ((a))

    Vit

  2. ((b))

    1/Vit

  3. ((c))

    Vi/t

  4. ((d))

    V/it

Show Answer
Answer: ((a))

Vit

31

Who was the first governor of the Reserve Bank of India?

  1. ((a))

    Sir James Braid Taylor

  2. ((b))

    KR Puri

  3. ((c))

    HVR Iyengar

  4. ((d))

    Sir Osborne A Smith

Show Answer
Answer: ((a))

Sir James Braid Taylor

32

A car covers 400 m in 20 seconds. Find the average speed (in km/hr) of the car. 

  1. ((a))

    72

  2. ((b))

    124

  3. ((c))

    108

  4. ((d))

    36

Show Answer
Answer: ((a))

72

33

If sin θ = 15/17, then cot θ = ? 

  1. ((a))

    815\frac{8}{{15}}

  2. ((b))

    817\frac{8}{{17}}

  3. ((c))

    158\frac{{15}}{8}

  4. ((d))

    1715\frac{{17}}{{15}}

Show Answer
Answer: ((a))

815\frac{8}{{15}}

34

In an examination, the highest score and the lowest score are different by 55 and the higher one was 9/4 times the lower one. Find the lowest score.

  1. ((a))

    40  

  2. ((b))

    36

  3. ((c))

    44

  4. ((d))

    48

Show Answer
Answer: ((a))

40  

35

A number is as much greater than 50 as it is lesser than 84. What is the number?

  1. ((a))

    65

  2. ((b))

    66

  3. ((c))

    68

  4. ((d))

    67

Show Answer
Answer: ((a))

65

36

If x=125×30×6x = \sqrt {125} \times \sqrt {30} \times \sqrt 6  ,  then x is equal to:

  1. ((a))

    175

  2. ((b))

    125

  3. ((c))

    136

  4. ((d))

    150

Show Answer
Answer: ((a))

175

37

A got Rs. 80 as his share of profit where the total profit was Rs. 240 and the ratio of profit distribution between A and B was x : 2. What is the value of x? 

  1. ((a))

    1

  2. ((b))

    4

  3. ((c))

    2

  4. ((d))

    5

Show Answer
Answer: ((a))

1

38

What is the median of 8, 5, 7, 9, 11, 6, 10?

  1. ((a))

    9

  2. ((b))

    8

  3. ((c))

    10

  4. ((d))

    7

Show Answer
Answer: ((a))

9

39

If 5050 × 0.5x = 25250, then 2505 ÷ x2 = ?

  1. ((a))

    0.2505

  2. ((b))

    25.05

  3. ((c))

    2.505

  4. ((d))

    250.5

Show Answer
Answer: ((a))

0.2505

40

An article of marked price Rs. 12000 was sold. Had a discount of 15% been offered, a profit of 2% would have been made. What was the cost price?

  1. ((a))

    Rs. 10,200

  2. ((b))

    Rs. 10,000

  3. ((c))

    Rs. 11,000

  4. ((d))

    Rs. 10,800

Show Answer
Answer: ((a))

Rs. 10,200

41

A sum of Rs. 2,000 was spent in buying a pair of trousers. The sum spent was 2/5th of the total money Shashi had with her. How much was the total money she had?

  1. ((a))

    Rs. 4,000

  2. ((b))

    Rs. 4, 250 

  3. ((c))

    Rs. 4, 750

  4. ((d))

    Rs. 5,000 

Show Answer
Answer: ((a))

Rs. 4,000

42

A machine was bought for Rs. 1,500 and a repairing charge of Rs. 100 was paid afterwards. At what price should it be sold to gain a profit of 25%?

  1. ((a))

    Rs. 2,040

  2. ((b))

    Rs. 1,960

  3. ((c))

    Rs. 2,000

  4. ((d))

    Rs. 1, 920

Show Answer
Answer: ((a))

Rs. 2,040

43

In angular measurement, one radian is equivalent to ________ degree (approximately).

  1. ((a))

    65.27

  2. ((b))

    57.27

  3. ((c))

    90

  4. ((d))

    180

Show Answer
Answer: ((a))

65.27

44

A and B can do a work in 15 days. B and C can do the work in 20 days and A and C can do the work in 10 days. In how many days will they together completed the work?

  1. ((a))

    10.67 days

  2. ((b))

    10.91 days

  3. ((c))

    10.71 days

  4. ((d))

    9.23 days

Show Answer
Answer: ((a))

10.67 days

45

Pipes A and B can fill a tank in 12 minutes and 16 minutes respectively. Both A and B are opened for 4 minutes and then A is closed. How much extra time will B take to fill the tank completely?

  1. ((a))

    203\frac{{20}}{3} minutes

  2. ((b))

    7 minutes

  3. ((c))

    214\frac{{21}}{4} minutes

  4. ((d))

    6 minutes

Show Answer
Answer: ((a))

203\frac{{20}}{3} minutes

46

A can do 2/5 of a work in 10 days. B can do ½ of the some work in 10 days. They worked together for 5 days and then A left. In how many days will B finish the remaining work?

  1. ((a))

    8

  2. ((b))

    10

  3. ((c))

    11

  4. ((d))

    9

Show Answer
Answer: ((a))

8

47

Reflection of point (-2, -6) on the Y-axis is:

  1. ((a))

    (2, 6)

  2. ((b))

    (-6, -2)

  3. ((c))

    (-2, 6)

  4. ((d))

    (2, -6)

Show Answer
Answer: ((a))

(2, 6)

48

The pie chart shows the breakup in percentage of the various expenses of a Company. Study the diagram and answer the following question. 

What is the interest expense if total expenses is Rs. 25000.

  1. ((a))

    Rs. 2, 500

  2. ((b))

    Rs. 1, 800

  3. ((c))

    Rs. 9, 000

  4. ((d))

    Rs. 5, 000

Show Answer
Answer: ((a))

Rs. 2, 500

49

A motorcycle travelled 1000 m at 36 km/hr. Find the time (in seconds) taken by the motorcycle to cover this distance.

  1. ((a))

    300

  2. ((b))

    100

  3. ((c))

    400

  4. ((d))

    200

Show Answer
Answer: ((a))

300

50

A 4-digit number 1xy7 is divisible by 11. What is the value of x - y?

  1. ((a))

    -8

  2. ((b))

    -2

  3. ((c))

    -4

  4. ((d))

    -6

Show Answer
Answer: ((a))

-8

51

Tap M and N can together fill a cistern in 48/13 minutes. N alone can fill it in 6 minutes. How much time will M alone take to fill the cistern?

  1. ((a))

    9.6 minutes

  2. ((b))

    9 minutes

  3. ((c))

    9.4 minutes

  4. ((d))

    8.6 minutes

Show Answer
Answer: ((a))

9.6 minutes

52

What is the curved surface area of a hemisphere whose radius is 7 cm? (take π = 22/7)

  1. ((a))

    616 cm2

  2. ((b))

    154 cm2

  3. ((c))

    308 cm2

  4. ((d))

    924 cm2

Show Answer
Answer: ((a))

616 cm2

53

An airplane flies at the speed of 50 m/s. How much distance (in km) will it cover in a flight of 5 hours?

  1. ((a))

    895

  2. ((b))

    850

  3. ((c))

    880

  4. ((d))

    900

Show Answer
Answer: ((a))

895

54

What is the distance between the points (4, 3) and (3, -2)?

  1. ((a))

    26\sqrt {26}

  2. ((b))

    24\sqrt {24}

  3. ((c))

    6

  4. ((d))

    5

Show Answer
Answer: ((a))

26\sqrt {26}

55

sec 45° - tan 60° = ? 

  1. ((a))

    −3+2 - \sqrt 3 + \sqrt 2

  2. ((b))

    −3−2 - \sqrt 3 - \sqrt 2

  3. ((c))

    32\frac{{\sqrt 3 }}{2}

  4. ((d))

    3+2\sqrt 3 + \sqrt 2

Show Answer
Answer: ((a))

−3+2 - \sqrt 3 + \sqrt 2

56

What is the least number which when doubled is perfectly divisible by 7, 12 and 15? 

  1. ((a))

    420

  2. ((b))

    210

  3. ((c))

    214

  4. ((d))

    220

Show Answer
Answer: ((a))

420

57

A sum of Rs. 10,000 amounts to Rs. 11, 449 in 2 years, when the interest is compounded annually. The interest rate percent per annum is:

  1. ((a))

    6%

  2. ((b))

    1%

  3. ((c))

    7%

  4. ((d))

    8%

Show Answer
Answer: ((a))

6%

58

The ages of X and Y are in the ratio 4 : 7. Three years earlier, the ratio of their ages was 1 : 2. What is the difference between their current ages (Y - X)?

  1. ((a))

    3

  2. ((b))

    6

  3. ((c))

    9

  4. ((d))

    7.5

Show Answer
Answer: ((a))

3

59

What is 80% of 50% of 90?

  1. ((a))

    30

  2. ((b))

    34

  3. ((c))

    32

  4. ((d))

    36

Show Answer
Answer: ((a))

30

60

Choose the figure that is different from the rest.

  1. ((a))

  2. ((b))

  3. ((c))

  4. ((d))

Show Answer
Answer: ((a))

61

A series is given, with one number missing. Choose the correct alternative from the given ones that will complete the series.

1.14, 1.28, 1.42, ?, 1.70, 1.84

  1. ((a))

    1.56

  2. ((b))

    1.54

  3. ((c))

    1.68

  4. ((d))

    1.62

Show Answer
Answer: ((a))

1.56

62

Two planes E and F start flying from the same point. E flies 7 km west, then turns to its left and flies 15 km. Meanwhile F flies 11 km east and turns right and flies 15 km. Where is F with respect to E?

  1. ((a))

    F is 18 km west of E

  2. ((b))

    F is 4 km east of E

  3. ((c))

    F is 18 km east of E

  4. ((d))

    F is 4 km west of E

Show Answer
Answer: ((a))

F is 18 km west of E

63

Given below are some letters, that each of these letters has a corresponding number. Select the combination of numbers from the option so that the jumbled letters arranged accordingly will form a meaningful English word.

H T R U O A

1 2 3 4 5 6

  1. ((a))

    6, 4, 2, 1, 5, 3

  2. ((b))

    3, 4, 5, 2, 1, 6

  3. ((c))

    1, 6, 2, 4, 5, 3

  4. ((d))

    2, 1, 5, 3, 4, 6

Show Answer
Answer: ((a))

6, 4, 2, 1, 5, 3

64

I, J, K and L are sitting in a row. L and I are sitting next to each other and I and K are the ends. Who is sitting next to J?

  1. ((a))

    Only K 

  2. ((b))

    L and I

  3. ((c))

    K and L

  4. ((d))

    Only L

Show Answer
Answer: ((a))

Only K 

65

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

Tall : Short ∷ Glad : ?

  1. ((a))

    Sad

  2. ((b))

    Happy

  3. ((c))

    Emotion

  4. ((d))

    Smile

Show Answer
Answer: ((a))

Sad

66

If, ‘+’ represents ‘×’, ‘-‘ represents ‘+’, ‘×’ represents ‘÷’ and ‘÷’ represents ‘-‘ then find the value of the following expression.

9 × 3 + 6 ÷ 2 = ?

  1. ((a))

    20

  2. ((b))

    10

  3. ((c))

    12

  4. ((d))

    16

Show Answer
Answer: ((a))

20

67

If G + H means G is daughter of H, G- H means G is sister H and G * H means G is husband of H, which of the following shows that I is the daughter of H?

  1. ((a))

    I – J + F * H

  2. ((b))

    I + J - F * H

  3. ((c))

    I – J * F + H

  4. ((d))

    I * J - F + H

Show Answer
Answer: ((a))

I – J + F * H

68

Which of the following Venn diagrams best represents the relationship between Indians, doctors and women?

  1. ((a))

  2. ((b))

  3. ((c))

  4. ((d))

Show Answer
Answer: ((a))

69

Given below are two statement, followed by two conclusion, I and II. You have to consider the statement to be true even if they seem to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follow(s) from the given statements.

Statement 1: No quadrilaterals are polygons.

Statement 2: All polygons are rhombuses.

Conclusion I: Some rhombuses are quadrilaterals.

Conclusion II: Some rhombuses are polygons.

  1. ((a))

    Neither I nor II follows

  2. ((b))

    Only conclusion II follows

  3. ((c))

    Only conclusion I follows

  4. ((d))

    Both I and II follow

Show Answer
Answer: ((a))

Neither I nor II follows

70

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

9 ÷ 3 + 8 × 2 – 15 = 2

  1. ((a))

    × and -

  2. ((b))

    ÷ and -

  3. ((c))
    • and ×
  4. ((d))
    • and -
Show Answer
Answer: ((a))

× and -

71

What is the minimum number of lines required to make the given image?

  1. ((a))

    13

  2. ((b))

    12

  3. ((c))

    10

  4. ((d))

    9

Show Answer
Answer: ((a))

13

72

A series is give, with one term missing. Choose the correct alternative from the given ones that will complete the series.

OOOOOX, OOOOXX, OOOXXX, OOXXXX, ?

  1. ((a))

    XXXXXX

  2. ((b))

    OOXXXXX

  3. ((c))

    OOXXXX

  4. ((d))

    OXXXXX

Show Answer
Answer: ((a))

XXXXXX

73

If C $ D means C is daughter of D, C & D means C is mother of D and C % D means C is son of D, then what does W $ X & Y % Z mean?

  1. ((a))

    Z is wife of W

  2. ((b))

    Z is mother of W

  3. ((c))

    Z is father of W

  4. ((d))

    Z is daughter of W

Show Answer
Answer: ((a))

Z is wife of W

74

Given below is a question, followed by two arguments, I and II. You have to decide which of the given arguments, if any, is a strong argument, with respect to the question.

Question: Should advertisements be banned on television?

Argument I: Yes, advertisements are immoral.

Argument II: No, advertisements bring in revenue which helps reduce cost for viewers.

  1. ((a))

    Only argument II is strong.

  2. ((b))

    Only argument I is strong.

  3. ((c))

    Neither I nor II is strong.

  4. ((d))

    Both I and II are strong.

Show Answer
Answer: ((a))

Only argument II is strong.

75

Select the option that is related to the third number in the same way as the second number is related to the first number.

-9/11 : 11/9 ∷ 13/2 : ?

  1. ((a))

    3/7

  2. ((b))

    2/13

  3. ((c))

    -2/13

  4. ((d))

    -7/3

Show Answer
Answer: ((a))

3/7

76

Given below is a statement followed by two assumption numbered I and II. You have to decide which of the assumptions is/are implicit in the statement.

Statement: The human body produces Vitamin D when exposed to sunlight.

Assumption I: The human body will have Vitamin D even if it is not consumed via food.

Assumption II: A large portion of the global population suffers from Vitamin D deficiency.

  1. ((a))

    Both I and II are implicit

  2. ((b))

    Only assumption II is implicit

  3. ((c))

    Neither I nor II is implicit

  4. ((d))

    Only assumption I is implicit

Show Answer
Answer: ((a))

Both I and II are implicit

77

A salesperson starts from his office and drives 2 km east, then turns north and drives 7 km, then turns to his right and drives 6 km, then turns south and drives 7 km. Where is he now with respect to his starting position?

  1. ((a))

    8 km east

  2. ((b))

    4 km west

  3. ((c))

    4 km east

  4. ((d))

    8 km west

Show Answer
Answer: ((a))

8 km east

78

Unscramble the letters in the words given below and find the odd word out.

  1. ((a))

    FLOW

  2. ((b))

    ILNO

  3. ((c))

    ERTIG

  4. ((d))

    WCO

Show Answer
Answer: ((a))

FLOW

79

Find the odd group of letters from the given alternatives.

  1. ((a))

    EFG

  2. ((b))

    PQR

  3. ((c))

    VWX

  4. ((d))

    HJL

Show Answer
Answer: ((a))

EFG

80

Choose the figure that is different from the rest.

  1. ((a))

  2. ((b))

  3. ((c))

  4. ((d))

Show Answer
Answer: ((a))

81

In a code language, 295 means ‘water is liquid’, 549 means ‘oil is liquid’ and 824 means ‘oil on water.’ Find the code for ‘on’.

  1. ((a))

    4

  2. ((b))

    2

  3. ((c))

    8

  4. ((d))

    5

Show Answer
Answer: ((a))

4

82

In the following figure, square represents Chinese, triangle represents dancers, circle represents male and rectangle represents architects. Which set of letters represents dancers who are male?

  1. ((a))

    DEIG

  2. ((b))

    DEF

  3. ((c))

    IGH

  4. ((d))

    GEF

Show Answer
Answer: ((a))

DEIG

83

The abbreviation AC in an engineering drawing stands for __________.

  1. ((a))

    Across Corners

  2. ((b))

    Aerial Cut

  3. ((c))

    Attached Circle

  4. ((d))

    Air Conditioning

Show Answer
Answer: ((a))

Across Corners

84

Greater the value of _______ of a material, the more rapidly it will conduct heat. 

  1. ((a))

    melting point

  2. ((b))

    latent heat

  3. ((c))

    regelation

  4. ((d))

    thermal conductivity

Show Answer
Answer: ((a))

melting point

85

The effort applied to move a load is 15 units and the mechanical advantage is observed to be 3. Find the load. 

  1. ((a))

    5 units

  2. ((b))

    3 units

  3. ((c))

    15 units

  4. ((d))

    45 units

Show Answer
Answer: ((a))

5 units

86

What is the unit's digit in 366 × 641 × 753 

  1. ((a))

    8

  2. ((b))

    3

  3. ((c))

    6

  4. ((d))

    7

Show Answer
Answer: ((a))

8

87

If the width of a standard engineering drawing sheet is 841 mm, then its length would be ________ mm. 

  1. ((a))

    1189

  2. ((b))

    1250

  3. ((c))

    1000

  4. ((d))

    1216

Show Answer
Answer: ((a))

1189

88

A 200 g block of iron was heated from 30°C to 60°C. How much heat was transferred to the block (specific heat of iron is 450 Jkg-1K-1)?

  1. ((a))

    6000 J

  2. ((b))

    27 J

  3. ((c))

    2700 J

  4. ((d))

    270 J

Show Answer
Answer: ((a))

6000 J

89

If a machine overcomes a load 'L' and the distance travelled by the load is 'Ld', the work done by the load will be __________.

  1. ((a))

    L × Ld

  2. ((b))

    LLd\rm \frac{L}{Ld}

  3. ((c))

    LdL\rm \frac{Ld}{L}

  4. ((d))

    1L×Ld\rm \frac{1}{L \times Ld}

Show Answer
Answer: ((a))

L × Ld

90

A brass rod (thermal conductivity 109 J/s m K) has an area of cross section 0.04 m2 and length 20 cm. If the two end of the rod are maintained at a temperature difference of 200°C, the rate of heat flow through the rod is ________.

  1. ((a))

    3.42 kJ/s

  2. ((b))

    2.32 kJ/s

  3. ((c))

    4.36 kJ/s

  4. ((d))

    5.80 kJ/s

Show Answer
Answer: ((a))

3.42 kJ/s

91

The effort in a class 1 lever is in __________ direction(s).

  1. ((a))

    three

  2. ((b))

    multiple

  3. ((c))

    two

  4. ((d))

    one

Show Answer
Answer: ((a))

three

92

The velocity ratio of a simple machine is the ratio of distance traveled by the ________ to the distance traveled by the ________ in the machine.

  1. ((a))

    load; load

  2. ((b))

    effort; load

  3. ((c))

    load; effort

  4. ((d))

    effort; effort

Show Answer
Answer: ((a))

load; load

93

If straight lines are drawn from various points on the contour of an object to meet a plane, the figure obtained on the plane is called the _______ of the object. 

  1. ((a))

    development

  2. ((b))

    dimensioning

  3. ((c))

    projection

  4. ((d))

    animation

Show Answer
Answer: ((a))

development

94

A _______ is a theoretical exact plane, axis or point location that GD & T or dimensional tolerances are referenced to. 

  1. ((a))

    flange

  2. ((b))

    frame

  3. ((c))

    section

  4. ((d))

    datum

Show Answer
Answer: ((a))

flange

95

Molar specific heat capacity of a substance is _________.

  1. ((a))

    (1μ)(ΔQΔT)\left(\frac{1}{\mu}\right)\left( \frac{\Delta Q}{\Delta T} \right)

  2. ((b))

    μ(ΔQΔT)\mu \left( \frac{\Delta Q}{\Delta T} \right)

  3. ((c))

    (1μ)(ΔTΔQ)\left(\frac{1}{\mu}\right)\left( \frac{\Delta T}{\Delta Q} \right)

  4. ((d))

    μ(ΔTΔQ)\mu \left( \frac{\Delta T}{\Delta Q} \right)

Show Answer
Answer: ((a))

(1μ)(ΔQΔT)\left(\frac{1}{\mu}\right)\left( \frac{\Delta Q}{\Delta T} \right)

96

In engineering drawing, the letters LH signifies __________.

  1. ((a))

    Level Hide

  2. ((b))

    Left Hand

  3. ((c))

    Low Heat

  4. ((d))

    Limit of Height

Show Answer
Answer: ((a))

Level Hide

97

Identify the material having high coefficient of volume expansion. 

  1. ((a))

    Brass

  2. ((b))

    Alcohol

  3. ((c))

    Glass

  4. ((d))

    Water

Show Answer
Answer: ((a))

Brass

98

An object starts from rest at x = 0 m and moves with a constant acceleration of 1.6 m/s2 along the x-axis. During its journey from x = 12.8 m to x = 20.0 m, its average velocity will be __________.

  1. ((a))

    7.2 m/s

  2. ((b))

    3.6 m/s

  3. ((c))

    8.8 m/s

  4. ((d))

    2.4 m/s

Show Answer
Answer: ((a))

7.2 m/s

99

You are given a question and two statements. Identify which of the statements is/are necessary/sufficient to answer the question.

Question: What was the discount percent offered on the soap by the store?

Statements:

I) The store is giving 1 soap free on purchase of three.

II) Rs. 10 discount is offered on purchase of soap worth 36.

  1. ((a))

    II alone is sufficient while I alone is not sufficient

  2. ((b))

    I alone is sufficient while II alone is not sufficient

  3. ((c))

    Neither I nor II is sufficient

  4. ((d))

    Either I or II is sufficient

Show Answer
Answer: ((a))

II alone is sufficient while I alone is not sufficient

100

Identify the material having low coefficient of volume expansion 

  1. ((a))

    Iron

  2. ((b))

    Mercury

  3. ((c))

    Brass

  4. ((d))

    Aluminium

Show Answer
Answer: ((a))

Iron

Part B (75 questions)

101

Carry input is present in which of the following?

  1. ((a))

    Subtractor

  2. ((b))

    Comparator

  3. ((c))

    Half Adder circuit

  4. ((d))

    Full Adder circuit

Show Answer
Answer: ((a))

Subtractor

102

In a mercury cell, zinc-mercury amalgam is used as an anode and carbon is used as a cathode. A paste of _______ is used as an electrolyte.

  1. ((a))

    HgO

  2. ((b))

    LiFe

  3. ((c))

    H2O

  4. ((d))

    H2SO4

Show Answer
Answer: ((a))

HgO

103

The two coil windings of a transformer are ________

  1. ((a))

    electrically and magnetically linked

  2. ((b))

    celectrically and magnetically isolated

  3. ((c))

    electrically connected but magnetically isolated

  4. ((d))

    electrically isolated but magnetically linked

Show Answer
Answer: ((a))

electrically and magnetically linked

104

When a diode is switching from conducting state to blocking state, it has stored charge which needs to be discharged before, it blocks reverse current, this time required is known as _______.

  1. ((a))

    Forward Recovery Time

  2. ((b))

    Reverse Recovery Time

  3. ((c))

    Forward Conduction time

  4. ((d))

    Reverse Conduction Time

Show Answer
Answer: ((a))

Forward Recovery Time

105

To measure Voltage, Current is passed through _______.

  1. ((a))

    a voltmeter

  2. ((b))

    a galvanometer

  3. ((c))

    a resistor

  4. ((d))

    an ammeter

Show Answer
Answer: ((a))

a voltmeter

106

Ideal regulated power supplies have ______ % voltage regulation.

  1. ((a))

    2

  2. ((b))

    7

  3. ((c))

    0

  4. ((d))

    5

Show Answer
Answer: ((a))

2

107

The evolution of cell phone standards are from 1 G to 5 G, what this G indicates?

  1. ((a))

    Gross

  2. ((b))

    Generation

  3. ((c))

    General

  4. ((d))

    Gap

Show Answer
Answer: ((a))

Gross

108

A digital multimeter can measure _______.

  1. ((a))

    voltage

  2. ((b))

    permeance

  3. ((c))

    inductance

  4. ((d))

    flux

Show Answer
Answer: ((a))

voltage

109

What is the rating used to rate a Transformer?

  1. ((a))

    KV

  2. ((b))

    KVAR

  3. ((c))

    KVA

  4. ((d))

    KW

Show Answer
Answer: ((a))

KV

110

The output waveform of an integrator in a function generator is ______.

  1. ((a))

    Triangular wave

  2. ((b))

    Impulse wave

  3. ((c))

    Square wave

  4. ((d))

    Sine wave

Show Answer
Answer: ((a))

Triangular wave

111

Adder Circuit can be used as a Subtractor circuit by using _________.

  1. ((a))

    1's/2's Complement

  2. ((b))

    Grey code

  3. ((c))

    Binary Coded Decimal

  4. ((d))

    Comparator

Show Answer
Answer: ((a))

1's/2's Complement

112

Which of the following diodes can be used as Voltage Regulator if used in reverse bias?

  1. ((a))

    Laser Diode

  2. ((b))

    Schottky Diode

  3. ((c))

    Zener Diode

  4. ((d))

    Varactor Diode

Show Answer
Answer: ((a))

Laser Diode

113

Which one of the following is not a basic MOSFET device type?

  1. ((a))

    Enhancement P-channel MOSFET

  2. ((b))

    Depletion N-channel MOSFET

  3. ((c))

    Narrow P-channel MOSFET

  4. ((d))

    Enhancement N-channel MOSFET

Show Answer
Answer: ((a))

Enhancement P-channel MOSFET

114

Which one of the following instrument is used to measure the specific gravity (or relative density) of liquids?

  1. ((a))

    Multi-meter

  2. ((b))

    Hydrometer

  3. ((c))

    Galvanometer

  4. ((d))

    Thermometer

Show Answer
Answer: ((a))

Multi-meter

115

In LCD TV, what is the full form of LCD?

  1. ((a))

    Liquid Crystal Display

  2. ((b))

    Light Controlled Display

  3. ((c))

    Light Controlled Diode

  4. ((d))

    Liquid Crystal Diode

Show Answer
Answer: ((a))

Liquid Crystal Display

116

The _______ is a device that is able to sense light levels and alter the current flowing between emitter and collector according to the level of light it receives.

  1. ((a))

    Resistor

  2. ((b))

    Phototransistor

  3. ((c))

    Power transistor

  4. ((d))

    IR LED

Show Answer
Answer: ((a))

Resistor

117

The capability of a power supply to maintain constant voltage or current at the output despite change in supply's load is known as _______.

  1. ((a))

    Input Regulation

  2. ((b))

    Line Regulation

  3. ((c))

    Load Regulation

  4. ((d))

    Source Regulation

Show Answer
Answer: ((a))

Input Regulation

118

The IR LED sends out light with wavelengths ________ visible light.

  1. ((a))

    Parallel to the

  2. ((b))

    Shorter than

  3. ((c))

    Longer than

  4. ((d))

    Similar to the

Show Answer
Answer: ((a))

Parallel to the

119

Which one of the below is not the application of shift register?

  1. ((a))

    Serial to parallel

  2. ((b))

    Analog to Digital

  3. ((c))

    Parallel to serial

  4. ((d))

    Data storage

Show Answer
Answer: ((a))

Serial to parallel

120

Solar panels convert sun light into electricity based on the principle of _______.

  1. ((a))

    Electromagnetic radiation

  2. ((b))

    Photovoltaic effect

  3. ((c))

    Radio emission

  4. ((d))

    Heat conduction

Show Answer
Answer: ((a))

Electromagnetic radiation

121

The minimum voltage required across a linear voltage regulator to maintain regulation is known as _______.

  1. ((a))

    Output voltage

  2. ((b))

    Input voltage

  3. ((c))

    Load voltage

  4. ((d))

    Dropout voltage

Show Answer
Answer: ((a))

Output voltage

122

Identify the circuit which is not the application of op-amp.

  1. ((a))

    Mixer

  2. ((b))

    Differentiator

  3. ((c))

    Integrator

  4. ((d))

    Comparator

Show Answer
Answer: ((a))

Mixer

123

The RC time constant is also called as _______.

  1. ((a))

    β

  2. ((b))

    α

  3. ((c))

    γ

  4. ((d))

    τ

Show Answer
Answer: ((a))

β

124

Select the component which is not an example of passive SMD component.

  1. ((a))

    Thick film resistor

  2. ((b))

    Tantalum capacitor

  3. ((c))

    Diode

  4. ((d))

    Ceramic capacitor

Show Answer
Answer: ((a))

Thick film resistor

125

LED is a _______ junction diode that emits light when activated.

  1. ((a))

    n-p-n

  2. ((b))

    p-n

  3. ((c))

    n-p

  4. ((d))

    p-n-p

Show Answer
Answer: ((a))

n-p-n

126

In 3 ∶ 8 line decoder one of the eight output bits is activated, depending on which of the following parameters

  1. ((a))

    Input Values from 0 to 7

  2. ((b))

    Next State output

  3. ((c))

    Previous output

  4. ((d))

    Clock input

Show Answer
Answer: ((a))

Input Values from 0 to 7

127

Which category of instruments does an ohmmeter fall under?

  1. ((a))

    Moving resistance instrument

  2. ((b))

    Dynamometer instrument

  3. ((c))

    Moving coil instrument

  4. ((d))

    Moving iron instrument

Show Answer
Answer: ((a))

Moving resistance instrument

128

________ has a single input and multiple outputs.

  1. ((a))

    De multiplexer

  2. ((b))

    Decoder

  3. ((c))

    Full Adder

  4. ((d))

    Multiplexer

Show Answer
Answer: ((a))

De multiplexer

129

What happens when batteries are connected in series?

  1. ((a))

    The capacitance doubles, the voltage rating remains the same.

  2. ((b))

    The voltage doubles, the capacitance rating doubles.

  3. ((c))

    Voltage remains the same, capacitance stays the same.

  4. ((d))

    The voltage doubles, the capacity rating remains the same.

Show Answer
Answer: ((a))

The capacitance doubles, the voltage rating remains the same.

130

_______ is an application of electronic devices and systems that source, detect and control light.

  1. ((a))

    Microelectronics

  2. ((b))

    Thermodynamics

  3. ((c))

    Power devices

  4. ((d))

    Optoelectronics

Show Answer
Answer: ((a))

Microelectronics

131

When capacitors are connected in parallel, the total capacitance is the _______ of the individual capacitances.

  1. ((a))

    multiplication

  2. ((b))

    division

  3. ((c))

    sum

  4. ((d))

    difference

Show Answer
Answer: ((a))

multiplication

132

For a design of (16 ∶ 1) multiplexer, how many select lines will be required?

  1. ((a))

    1

  2. ((b))

    3

  3. ((c))

    4

  4. ((d))

    2

Show Answer
Answer: ((a))

1

133

Which instrument is used to measure the insulation resistance of an electric circuit relative to earth?

  1. ((a))

    Megger

  2. ((b))

    Ammeter

  3. ((c))

    Potential Transformer

  4. ((d))

    Voltmeter

Show Answer
Answer: ((a))

Megger

134

Generally, wiring a solar controller to a battery storage station is done using a _______.

  1. ((a))

    Coaxial cable

  2. ((b))

    Twisted cable

  3. ((c))

    AWG cable

  4. ((d))

    waveguide

Show Answer
Answer: ((a))

Coaxial cable

135

As the frequency increases, the impedance of the inductor _______.

  1. ((a))

    decreases

  2. ((b))

    remains same

  3. ((c))

    increases

  4. ((d))

    is zero

Show Answer
Answer: ((a))

decreases

136

Generation of light in LED is based on which principle?

  1. ((a))

    Stimulated emission

  2. ((b))

    Spontaneous emission

  3. ((c))

    Spontaneous absorption

  4. ((d))

    Stimulated absorption

Show Answer
Answer: ((a))

Stimulated emission

137

A table which will help to understand behavior of logic gates is known as _______.

  1. ((a))

    Matrix

  2. ((b))

    Parameter

  3. ((c))

    Gates

  4. ((d))

    Truth table

Show Answer
Answer: ((a))

Matrix

138

What is "transformer turns ratio"?

  1. ((a))

    The ratio of primary current to secondary flux

  2. ((b))

    The ratio of primary voltage to secondary current

  3. ((c))

    The ratio of primary turns to secondary turns

  4. ((d))

    The ratio of primary Flux to secondary voltage

Show Answer
Answer: ((a))

The ratio of primary current to secondary flux

139

Opto coupler provides _______ between electrical signals or elements of a circuit.

  1. ((a))

    Conduction

  2. ((b))

    Isolation

  3. ((c))

    Vacuum

  4. ((d))

    Thermal conduction

Show Answer
Answer: ((a))

Conduction

140

How many terminals does a 7805 IC have

  1. ((a))

    4

  2. ((b))

    3

  3. ((c))

    2

  4. ((d))

    5

Show Answer
Answer: ((a))

4

141

_______ is defined as the property of the coil due to which it opposes the change of current flowing through it.

  1. ((a))

    Mutual - inductance

  2. ((b))

    Self - inductance

  3. ((c))

    Toroidal inductor

  4. ((d))

    Air Core inductor

Show Answer
Answer: ((a))

Mutual - inductance

142

What type of Flip Flop is used in Counters?

  1. ((a))

    Full Adder

  2. ((b))

    SR Flip Flop

  3. ((c))

    T Flip Flop

  4. ((d))

    Comparator

Show Answer
Answer: ((a))

Full Adder

143

The Output is dependent only on present input?

  1. ((a))

    Combinational Circuits

  2. ((b))

    Analog Circuits

  3. ((c))

    Flip Flop

  4. ((d))

    Sequential Circuits

Show Answer
Answer: ((a))

Combinational Circuits

144

SMD stands for

  1. ((a))

    Small material diameter

  2. ((b))

    Small medium design

  3. ((c))

    Small medium device

  4. ((d))

    Surface mount device

Show Answer
Answer: ((a))

Small material diameter

145

The size of internal RAM of 8051 Microcontroller is _______.

  1. ((a))

    128 Bytes

  2. ((b))

    16 Bytes

  3. ((c))

    64 Bytes

  4. ((d))

    256 Bytes

Show Answer
Answer: ((a))

128 Bytes

146

In astable multivibrator using IC555 timer design, the duty cycle D is given by _______.

  1. ((a))

    Toff/Ton

  2. ((b))

    Ton/(​Ton + Toff)

  3. ((c))

    (Ton + Toff)/Ton

  4. ((d))

    Ton/Toff

Show Answer
Answer: ((a))

Toff/Ton

147

A Zener diode is used in _______ for voltage regulation.

  1. ((a))

    Forward Bias

  2. ((b))

    Short circuit

  3. ((c))

    Open circuit

  4. ((d))

    Reverse Bias

Show Answer
Answer: ((a))

Forward Bias

148

Batteries that cannot be recharged and are produced for single use are called?

  1. ((a))

    Super Charged Batteries

  2. ((b))

    Lead Acid Batteries

  3. ((c))

    Primary Batteries

  4. ((d))

    Secondary Batteries

Show Answer
Answer: ((a))

Super Charged Batteries

149

Which device can detect a physical quantity and convert it into an electrical signal?

  1. ((a))

    Transmitter

  2. ((b))

    Actuator

  3. ((c))

    Sensor

  4. ((d))

    Receiver

Show Answer
Answer: ((a))

Transmitter

150

Identify the temperature sensor which is not used in process industries.

  1. ((a))

    RTD

  2. ((b))

    thermistor

  3. ((c))

    Thermocouple

  4. ((d))

    piezoelectric

Show Answer
Answer: ((a))

RTD

151

What is the peak reverse voltage of a diode?

  1. ((a))

    The maximum amount of voltage the diode can withstand in Forward-bias

  2. ((b))

    The maximum amount of voltage the diode can withstand in reverse-bias

  3. ((c))

    The forward voltage drop of a diode

  4. ((d))

    The internal voltage drop of a diode

Show Answer
Answer: ((a))

The maximum amount of voltage the diode can withstand in Forward-bias

152

The lead storage battery consists of a lead anode and the cathode is a lead grid packed with lead dioxide. _______ is used as an electrolyte.

  1. ((a))

    Nitric acid

  2. ((b))

    Picric acid

  3. ((c))

    Boric acid

  4. ((d))

    Sulfuric acid

Show Answer
Answer: ((a))

Nitric acid

153

Electrons are _______ charged

  1. ((a))

    Positively

  2. ((b))

    Negatively

  3. ((c))

    Neutrally

  4. ((d))

    Dually

Show Answer
Answer: ((a))

Positively

154

What are Ohmic Losses in a Transformer?

  1. ((a))

    The losses generated due to variation in current passing through the windings

  2. ((b))

    The losses generated due to variation in flux passing through the windings

  3. ((c))

    Iron Loss

  4. ((d))

    The losses due to varying electric field

Show Answer
Answer: ((a))

The losses generated due to variation in current passing through the windings

155

Which of the following IC is an BCD to Seven Segment Display decoder

  1. ((a))

    IC 74138

  2. ((b))

    IC 741

  3. ((c))

    IC 7447

  4. ((d))

    IC 7400

Show Answer
Answer: ((a))

IC 74138

156

How many 16 bit registers are there in 8051?

  1. ((a))

    8

  2. ((b))

    1

  3. ((c))

    4

  4. ((d))

    2

Show Answer
Answer: ((a))

8

157

Multi-vibrators can be used to produce which type of signals?

  1. ((a))

    Triangular wave

  2. ((b))

    Impulse

  3. ((c))

    Sine wave

  4. ((d))

    Square wave

Show Answer
Answer: ((a))

Triangular wave

158

Dry cell is a _______.

  1. ((a))

    Lithium polymer battery

  2. ((b))

    Zinc-carbon battery

  3. ((c))

    Salt water battery

  4. ((d))

    Lead acid battery

Show Answer
Answer: ((a))

Lithium polymer battery

159

A _______ is a device that emits light through a process of optical amplification based on the stimulated emission of electromagnetic radiation.

  1. ((a))

    Diode

  2. ((b))

    Laser

  3. ((c))

    Resistor

  4. ((d))

    Tristor

Show Answer
Answer: ((a))

Diode

160

Toggle condition is present in which of the following?

  1. ((a))

    D Flip Flop

  2. ((b))

    Clocked SR Flip Flop

  3. ((c))

    SR Latch

  4. ((d))

    JK Flip Flop

Show Answer
Answer: ((a))

D Flip Flop

161

Which of the following is a 4 bit Comparator IC?

  1. ((a))

    IC 7485

  2. ((b))

    IC 7805

  3. ((c))

    IC 555

  4. ((d))

    IC 7400

Show Answer
Answer: ((a))

IC 7485

162

The no-load output voltage of an ideal half wave rectifier is _______.

  1. ((a))

    Vpeak = Vrms/2

  2. ((b))

    Vpeak = Vrms/4

  3. ((c))

    Vrms = Vpeak/2

  4. ((d))

    Vrms = Vpeak/4

Show Answer
Answer: ((a))

Vpeak = Vrms/2

163

Define e-waste.

  1. ((a))

    Easy waste

  2. ((b))

    Environmental waste

  3. ((c))

    Electricity waste

  4. ((d))

    Electronic waste

Show Answer
Answer: ((a))

Easy waste

164

Lead acid batteries consist of flat lead plates immersed in a pool of _______.

  1. ((a))

    Ferrous Sulfate

  2. ((b))

    Water

  3. ((c))

    Electrolyte

  4. ((d))

    Polymer

Show Answer
Answer: ((a))

Ferrous Sulfate

165

The internal Vref voltage of IC723 is

  1. ((a))

    9 V

  2. ((b))

    11 V

  3. ((c))

    7 V

  4. ((d))

    2 V

Show Answer
Answer: ((a))

9 V

166

_______ is defined as the number of cycles per second.

  1. ((a))

    RMS value

  2. ((b))

    Instantaneous Value

  3. ((c))

    Voltage

  4. ((d))

    Frequency

Show Answer
Answer: ((a))

RMS value

167

Which type of a combinational circuit is used to convert, multiple inputs to single output?

  1. ((a))

    Multiplexer

  2. ((b))

    Demultiplexer

  3. ((c))

    Decoder

  4. ((d))

    Counter

Show Answer
Answer: ((a))

Multiplexer

168

Isolation Transformers Block transmission of which of the below mentioned component in a signal from one circuit to another

  1. ((a))

    DC Component

  2. ((b))

    Capacitive Component

  3. ((c))

    AC Component

  4. ((d))

    Inductive Component

Show Answer
Answer: ((a))

DC Component

169

Generally _______ is used to construct shift registers.

  1. ((a))

    D flip flop

  2. ((b))

    Half Adder

  3. ((c))

    Full adder

  4. ((d))

    Full Subtractor

Show Answer
Answer: ((a))

D flip flop

170

Which is not related to the counter circuit design?

  1. ((a))

    Karnaugh maps

  2. ((b))

    Erlang's table

  3. ((c))

    Excitation table

  4. ((d))

    State table

Show Answer
Answer: ((a))

Karnaugh maps

171

Race Around condition can be avoided in Digital logic circuits using _______.

  1. ((a))

    Shift Register

  2. ((b))

    Full Adder

  3. ((c))

    Master Slave JK Flip Flop

  4. ((d))

    AND Gate

Show Answer
Answer: ((a))

Shift Register

172

For which of the following diodes when the voltage is increased the current flowing through it decreases?

  1. ((a))

    Tunnel Diode

  2. ((b))

    Schottky Diode

  3. ((c))

    Laser Diode

  4. ((d))

    Gunn Diode

Show Answer
Answer: ((a))

Tunnel Diode

173

Which of the following is not the type of inductor?

  1. ((a))

    Carbon core

  2. ((b))

    Iron core

  3. ((c))

    Thin film

  4. ((d))

    Air core

Show Answer
Answer: ((a))

Carbon core

174

Which of the following is a Basic 4 bit Adder IC?

  1. ((a))

    IC 741

  2. ((b))

    IC 7400

  3. ((c))

    IC 7483

  4. ((d))

    IC 7415

Show Answer
Answer: ((a))

IC 741

175

What is the long form of LVDT?

  1. ((a))

    Linear Voltage Defined Transformer

  2. ((b))

    Linear Variable Differential Transformer

  3. ((c))

    Low Voltage Differential Transducer

  4. ((d))

    Low Variable Defined Transducer

Show Answer
Answer: ((a))

Linear Voltage Defined Transformer

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