Official Paper

RRB ALP CBT-II (Armature and Coil Winder) Official Paper (Held On: 06 May, 2025 Shift 1) (Previous Year Paper)

175 questions · 150 minutes · with answers · free

Attempt as Timed Mock Test

Part A (100 questions)

1

In this question, a statement is given followed by two courses of action, numbered I and II. You must assume everything in the statement to be true, and on the basis of the information given in the statement, decide which of the given courses of action logically follow(s) for pursuing.

Statement:

A major fire broke out this afternoon in a mall in Jaipur, causing several casualties amongst the people present inside.

Courses of Action:

The police must check to see if the fire safety regulations were followed by the mall.

Traffic police must divert traffic away from the fire site, to enable evacuation of people.

  1. ((a))

    Only II follows.

  2. ((b))

    Neither I nor II follows.

  3. ((c))

    Both I and II follow.

  4. ((d))

    Only I follows.

Show Answer
Answer: ((a))

Only II follows.

2

The taxi charges in a city consist of a fixed charge together with the charge per kilometre for the distance covered. For a distance of 35 km, the charge paid is ₹375 and for a distance of 48 km, the charge paid is ₹427. Find the fixed charges and the charge per km (in ₹), respectively.

  1. ((a))

    220 and 6

  2. ((b))

    227 and 5

  3. ((c))

    235 and 4

  4. ((d))

    275 and 3

Show Answer
Answer: ((a))

220 and 6

3

Which technology operates through an electrochemical process that transforms the energy stored in hydrogen gas (H2) and oxygen into electrical power without combustion?

  1. ((a))

    Hydroelectric power

  2. ((b))

    Solar thermal power

  3. ((c))

    Hydrogen fuel cells

  4. ((d))

    Wind power

Show Answer
Answer: ((a))

Hydroelectric power

4

Seema is twice as old as Alka. If nine years is subtracted from Alka’s age and six years is added to Seema’s age, then Seema will be four times Alka’s age. How old was Alka three years ago? 

  1. ((a))

    18 years

  2. ((b))

    21 years

  3. ((c))

    16 years

  4. ((d))

    20 years

Show Answer
Answer: ((a))

18 years

5

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

Statements:

Some ships are boats.

All boats are submarines.

Some submarines are yachts

Conclusions:

(I) Some yachts are boats.

(II) Some yachts are ships.

  1. ((a))

    Only conclusion (I) follows. 

  2. ((b))

    Both conclusions (I) and (II) follow.

  3. ((c))

    Only conclusion (II) follows.

  4. ((d))

    Neither conclusion (I) nor (II) follows.

Show Answer
Answer: ((a))

Only conclusion (I) follows. 

6

Eight people are sitting in two parallel rows containing 4 people each in such a way that there is equal distance between adjacent persons. In row 1 – A, B, C and D are seated and all of them are facing south. In row 2 – P, Q, R and S are seated and all of them are facing north. Thus each person faces another person from the other row. Only three people sit to the right of R. D faces the person who is the immediate neighbour of S and P. C faces the person who sits second to the left of S. R does not face A.

Who amongst the following faces B?

  1. ((a))

    R

  2. ((b))

    S

  3. ((c))

    P

  4. ((d))

    Q

Show Answer
Answer: ((a))

R

7

In Engineering Drawing, which of the following is the correct definition of the term 'dimension'. 

  1. ((a))

    The thickness of the line of a letter

  2. ((b))

    A continuous thick or wide line along which the prints are trimmed

  3. ((c))

    A line that is drawn to make a section evident

  4. ((d))

    A numerical value expressed in an appropriate unit of measurement 

Show Answer
Answer: ((a))

The thickness of the line of a letter

8

In a certain code language, ‘LOVE’ is coded as ‘8364’ and ‘EARS’ is coded as ‘3517’. What is the code for ‘E’ in the given code language?

  1. ((a))

    7

  2. ((b))

    5

  3. ((c))

    3

  4. ((d))

    4

Show Answer
Answer: ((a))

7

9

Study the given pie chart and answer the question that follows.

The given pie chart indicates the percentage-wise breakup of students in different subjects. The total number of students in the college is 5000.

What is the ratio of the students studying Zoology to the students studying Botany?

  1. ((a))

    15 : 14 

  2. ((b))

    15 : 16

  3. ((c))

    14 : 15

  4. ((d))

    16 : 15

Show Answer
Answer: ((a))

15 : 14 

10

Which of the following steps is essential when configuring a web browser to enhance both security and privacy for a user?

  1. ((a))

    Enabling pop-ups for all websites to improve user experience

  2. ((b))

    Setting the homepage to a frequently visited website for quick access

  3. ((c))

    Configuring the browser to block third-party cookies and enabling HTTPS-only mode

  4. ((d))

    Disabling the browser's cache to improve website loading times 

Show Answer
Answer: ((a))

Enabling pop-ups for all websites to improve user experience

11

Which of the following benefits can be obtained by conducting an energy audit in a commercial building?

  1. ((a))

    Increasing the cost of energy bills

  2. ((b))

    Identification of opportunities for energy savings

  3. ((c))

    Reduction in price of energy per its unit usage

  4. ((d))

    Reduced market value of building

Show Answer
Answer: ((a))

Increasing the cost of energy bills

12

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

17 29 41 59 77 101 125 ?

  1. ((a))

    175

  2. ((b))

    161

  3. ((c))

    155

  4. ((d))

    149 

Show Answer
Answer: ((a))

175

13

Which of the following options is correct when two objects at the same temperature are kept in contact with each other? 

  1. ((a))

    Both objects transfer heat to each other.

  2. ((b))

    Heat is transferred from object 2 to object 1.

  3. ((c))

    No heat is transferred.

  4. ((d))

    Heat is transferred from object 1 to object 2. 

Show Answer
Answer: ((a))

Both objects transfer heat to each other.

14

What will come in place of the question mark (?) in the following equation, if ‘+’ and ‘−’ are interchanged and ‘×’ and ‘÷’ are interchanged?

32 + 28 ÷ 3 × 4 − 15 = ?

  1. ((a))

    32

  2. ((b))

    26

  3. ((c))

    29

  4. ((d))

    20

Show Answer
Answer: ((a))

32

15

Mangal starts from Point A and walks 14 m towards north. He takes a right turn, walks 9 m and then takes a right turn, walks 37 m, reaches Point B and stops. Jayanti starts from Point Z which is 15 m towards the east of Point B. She walks 11 m towards east, takes a left turn, walks 42 m, turns left and walks 63 m, turns left and walks 19 m and stops at Point Y. What is the shortest distance between Point A and Point Y? (All turns are 90 degree turns only.) 

  1. ((a))

    25 m

  2. ((b))

    28 m

  3. ((c))

    26 m

  4. ((d))

    31 m

Show Answer
Answer: ((a))

25 m

16

What is the amount of work done in moving a charge of 6 C from a point with a potential of 120 V to a point with a potential of 140 V? 

  1. ((a))

    840 J

  2. ((b))

    120 J

  3. ((c))

    720 J

  4. ((d))

    3.33 J

Show Answer
Answer: ((a))

840 J

17

In a clearance sale of electronic items, an item whose marked price was ₹12,225 is now sold for ₹10,758, d% is the discount percentage on the item. The value of d is: 

  1. ((a))

    11%

  2. ((b))

    14%

  3. ((c))

    12%

  4. ((d))

    13%

Show Answer
Answer: ((a))

11%

18

Which of the following is NOT a fundamental quantity in the SI system? 

  1. ((a))

    Luminous intensity

  2. ((b))

    Amount of substance

  3. ((c))

    Time

  4. ((d))

    Force

Show Answer
Answer: ((a))

Luminous intensity

19

Alloys are preferred over pure metals in electrical heating devices: 

  1. ((a))

    because the resistivity of an alloy is generally higher than its constituent metals.

  2. ((b))

    because alloys oxidise (burn) readily at high temperatures.

  3. ((c))

    because the elasticity of an alloy is higher than that of its constituent metals.

  4. ((d))

    because the resistivity of an alloy is lower than that of its constituent metals.

Show Answer
Answer: ((a))

because the resistivity of an alloy is generally higher than its constituent metals.

20

Which of the following correctly describes the direction of electric current? 

  1. ((a))

    From low potential to high potential

  2. ((b))

    Opposite to the direction of positive charge flow

  3. ((c))

    Same as the direction of electron flow

  4. ((d))

    Opposite to the direction of electron flow

Show Answer
Answer: ((a))

From low potential to high potential

21

Which of the following is an application of the 5S concept in a workshop?

  1. ((a))

    Increasing the number of safety supervisors

  2. ((b))

    Keeping tools and materials organised for easy access

  3. ((c))

    Removing safety protocols to improve efficiency

  4. ((d))

    Using extra tools without proper storage

Show Answer
Answer: ((a))

Increasing the number of safety supervisors

22

Find the value of 96.86572 × 107.

  1. ((a))

    96,86,57,200

  2. ((b))

    0.9686572

  3. ((c))

    96,86,572

  4. ((d))

    9,68,65,720

Show Answer
Answer: ((a))

96,86,57,200

23

Ampere is the SI unit of ________. 

  1. ((a))

    electric current

  2. ((b))

    electric power

  3. ((c))

    electric charge

  4. ((d))

    mass

Show Answer
Answer: ((a))

electric current

24

If a = 21 and b = 19 , find the value of a2+b2+aba3−b3\mathrm{\frac{a ^ 2 + b ^ 2 + ab}{a ^ 3 - b ^ 3}}.

  1. ((a))

    35\frac{3}{5}

  2. ((b))

    23\frac{2}{3}

  3. ((c))

    25\frac{2}{5}

  4. ((d))

    12\frac{1}{2}

Show Answer
Answer: ((a))

35\frac{3}{5}

25

What is the immediate action to take when a fire breaks out in a workplace?

  1. ((a))

    Ignore the fire and continue working

  2. ((b))

    Try to put it out using water without knowing the fire type

  3. ((c))

    Gather near the fire to observe the situation

  4. ((d))

    Raise the alarm and evacuate the area

Show Answer
Answer: ((a))

Ignore the fire and continue working

26

The floor of a rectangular hall is a square with a perimeter of 220 m. If the cost of painting the four walls at the rate of ₹10 per m2 is ₹11,000, then find the volume of the hall.

  1. ((a))

    15,125 m3

  2. ((b))

    19,200 m3

  3. ((c))

    19,520 m3

  4. ((d))

    18,250 m3

Show Answer
Answer: ((a))

15,125 m3

27

The list price of an article is ₹5,000 and a discount of 70% is offered on the list price. What additional discount per cent on the already discounted price must be offered to a customer to bring the net selling price to ₹1,275?

  1. ((a))

    10%

  2. ((b))

    16%

  3. ((c))

    18%

  4. ((d))

    15%

Show Answer
Answer: ((a))

10%

28

Each of I, J, K, L, U, V and W has an exam on a different day of a week starting from Monday and ending on Sunday of the same week.J has the exam on Friday. Only two people have the exam between V and J. Only four people have the exam between L and V. U has the exam immediately after W. K does not have the exam on Monday.How many people have the exam before K and after I?

  1. ((a))

    Three

  2. ((b))

    Four

  3. ((c))

    One

  4. ((d))

    Two

Show Answer
Answer: ((a))

Three

29

The median of the data 2, 6, 4, 8, 1, 2, 5, 8, 9, 10, 12, 9, 7, 8, 3, 1, 0, 9, 2, 5 is ______.

  1. ((a))

    6

  2. ((b))

    5.5

  3. ((c))

    5

  4. ((d))

    6.5

Show Answer
Answer: ((a))

6

30

If an electric heater draws a current of 5 A when the potential difference across its terminals is 75 V, what current will it draw when the potential difference is increased to 150 V?

  1. ((a))

    10 A

  2. ((b))

    15 A

  3. ((c))

    20 A

  4. ((d))

    30 A

Show Answer
Answer: ((a))

10 A

31

Two sets of numbers are given below. In each set of numbers, certain mathematical operation(s) on the first number results in the second number. Similarly, certain mathematical operation(s) on the second number results in the third number and so on. Which of the given options follows the same set of operations as in the given sets?

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

11 – 121 – 221 – 171; 27 – 729 – 829 – 779

  1. ((a))

    16 – 196 – 296 – 246

  2. ((b))

    13 – 169 – 244 – 188

  3. ((c))

    25 – 625 – 725 – 675

  4. ((d))

    23 – 529 – 629 – 589

Show Answer
Answer: ((a))

16 – 196 – 296 – 246

32

The HCF of two numbers is 62, and the other two factors of the LCM of these factors are 7 and 9. Which of the options given below can be a possible value of the smaller of the two numbers?

  1. ((a))

    432

  2. ((b))

    434

  3. ((c))

    433

  4. ((d))

    431

Show Answer
Answer: ((a))

432

33

If the sum of lengths of two adjacent sides of a parallelogram is 12 cm, then the perimeter of the parallelogram is: 

  1. ((a))

    34 cm

  2. ((b))

    36 cm

  3. ((c))

    20 cm

  4. ((d))

    24 cm

Show Answer
Answer: ((a))

34 cm

34

How many base units are given in the SI system?

  1. ((a))

    9

  2. ((b))

    7

  3. ((c))

    3

  4. ((d))

    11

Show Answer
Answer: ((a))

9

35

A is thrice as good a workman as B and together they can finish a piece of work in 12 days. In how many days can A alone finish the work?

  1. ((a))

    14 days

  2. ((b))

    12 days

  3. ((c))

    16 days

  4. ((d))

    18 days

Show Answer
Answer: ((a))

14 days

36

Which of the following is NOT one of the 5S principles?

  1. ((a))

    Sustain

  2. ((b))

    Supervise

  3. ((c))

    Standardise

  4. ((d))

    Sort

Show Answer
Answer: ((a))

Sustain

37

Based on the English alphabetical order, three of the following four letter-cluster pairs are alike in a certain way and thus form a group. Which letter-cluster pair DOES NOT belong to that group??

(Note: The odd one out is not based on the number of consonants/vowels or their position in the letter-cluster pair)

  1. ((a))

    DW – YA 

  2. ((b))

    MF – HJ

  3. ((c))

    WP – RS

  4. ((d))

    SL – NP

Show Answer
Answer: ((a))

DW – YA 

38

Which of the following is a poor conductor of heat? 

  1. ((a))

    Wool

  2. ((b))

    Steel spoon

  3. ((c))

    Copper

  4. ((d))

    Aluminium rod

Show Answer
Answer: ((a))

Wool

39

Rakesh starts a business with a capital of ₹2,50,000. He incurs a loss of 5% during the first year. However, he makes a profit of 4% on his remaining investment during the second year. Finally, he makes a profit of 20% on his new capital during the third year. Find his total profit at the end of three years.

  1. ((a))

    ₹46,400

  2. ((b))

    ₹46,500

  3. ((c))

    ₹46,700

  4. ((d))

    ₹46,600

Show Answer
Answer: ((a))

₹46,400

40

The resistances of 30 ohm, 20 ohm and 60 ohm are connected in parallel. The equivalent resistance of the combination is ________. 

  1. ((a))

    110 ohm

  2. ((b))

    0.1 ohm

  3. ((c))

    12 ohm

  4. ((d))

    10 ohm

Show Answer
Answer: ((a))

110 ohm

41

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

UT27, RQ25, NM23, ?

  1. ((a))

    IG21

  2. ((b))

    IH29

  3. ((c))

    JH19

  4. ((d))

    IH21

Show Answer
Answer: ((a))

IG21

42

Refer to the following letter, number and symbol series and answer the question that follows. Counting to be done from left to right only.

(Left) K A T & 4 @ Y # 6 K & 2 R % 7 D 3 5 E * S (Right)

How many such symbols are there which are immediately preceded by a number and also immediately followed by a letter?

  1. ((a))

    One 

  2. ((b))

    Three

  3. ((c))

    Two

  4. ((d))

    Four

Show Answer
Answer: ((a))

One 

43

Match the following.

(A) Continuous thick lines(P) Projection lines
(B) Hidden lines(Q) Principal lines
(C) Outlines(R) Dotted lines
(D) Extension lines(S) Object lines
  1. ((a))

    A-S, B-R, C-Q, D-P

  2. ((b))

    A-R, B-S, C-Q, D-P

  3. ((c))

    A-S, B-R, C-P, D-Q

  4. ((d))

    A-P, B-R, C-Q, D-S

Show Answer
Answer: ((a))

A-S, B-R, C-Q, D-P

44

Which of the following is an example of uniform motion? 

  1. ((a))

    A vehicle moving through a crowded area

  2. ((b))

    A train moving at a constant speed on a straight track

  3. ((c))

    A sprinter running a 100-metre race with varying speed

  4. ((d))

    A ball rolling down a slope

Show Answer
Answer: ((a))

A vehicle moving through a crowded area

45

Two sets of numbers are given below. In each set of numbers, certain mathematical operation(s) on the first number results in the second number. Similarly, certain mathematical operation(s) on the second number results in the third number and so on. Which of the given options follows the same set of operations as in the given sets?

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

24 – 48 – 108 – 36; 18 – 36 – 96 – 32

  1. ((a))

    82 – 139 – 234 – 78 

  2. ((b))

    132 – 264 – 444 – 138

  3. ((c))

    53 – 106 – 166 – 55

  4. ((d))

    48 – 96 – 156 – 52

Show Answer
Answer: ((a))

82 – 139 – 234 – 78 

46

Match the following, according to lettering and numbering (uppercase lettering) as per BIS SP: 46-2003.

Width (W)Capital letters
(A) 5(I) W
(B) 6(II) A, M, Q, V, X, Y
(C) 7(III) B, D, G, H, K, N, O, P, R, S, T, U and Z
(D) 9(IV) C, E, F, L
  1. ((a))

    A-(I), B-(III), C-(II), D-(IV)

  2. ((b))

    A-(IV), B-(III), C-(II), D-(I)

  3. ((c))

    A-(IV), B-(III), C-(I), D-(II)

  4. ((d))

    A-(IV), B-(II), C-(III), D-(I)

Show Answer
Answer: ((a))

A-(I), B-(III), C-(II), D-(IV)

47

An object of mass m is made to fall freely from a height h. As the object continues to fall, what will happen to its energy?

  1. ((a))

    The kinetic energy and potential energy will not change.

  2. ((b))

    The potential energy would decrease while the kinetic energy would increase.

  3. ((c))

    The potential energy would increase while the kinetic energy would decrease.

  4. ((d))

    The potential energy and kinetic energy will both increase. 

Show Answer
Answer: ((a))

The kinetic energy and potential energy will not change.

48

A can complete a piece of work in 18 days. B can complete it in 14 days. With the assistance of C, they completed the work in 7 days. C alone can complete it in ______________ days. 

  1. ((a))

    63

  2. ((b))

    42

  3. ((c))

    64

  4. ((d))

    36

Show Answer
Answer: ((a))

63

49

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

2M, 5O, 10R, 13T, 18W, 21Y, ?

  1. ((a))

    26B 

  2. ((b))

    26C

  3. ((c))

    24B

  4. ((d))

    26A

Show Answer
Answer: ((a))

26B 

50

The mode of 4, 6, 4, 6, 5, 7, 5, 7, 4, 6, 7, 6 is:

  1. ((a))

    4

  2. ((b))

    6

  3. ((c))

    5

  4. ((d))

    7

Show Answer
Answer: ((a))

4

51

How fast should a cat of mass 15 kg run in order to have a kinetic energy of 120 J?

  1. ((a))

    40 m/s

  2. ((b))

    4 m/s 

  3. ((c))

    16 m/s

  4. ((d))

    0.16 m/s

Show Answer
Answer: ((a))

40 m/s

52

In a certain code language, ‘WILD’ is coded as ‘8164’ and ‘DOGS’ is coded as ‘3517’. What is the code for ‘D’ in the given code language?

  1. ((a))

    4

  2. ((b))

    1

  3. ((c))

    3

  4. ((d))

    5

Show Answer
Answer: ((a))

4

53

Simran rides a distance of 60 m in one minute and then returns along the same straight path. The average velocity of her ride is _____. 

  1. ((a))

    0 m/s 

  2. ((b))

    2 m/s

  3. ((c))

    1 m/s

  4. ((d))

    60 m/s

Show Answer
Answer: ((a))

0 m/s 

54

The resistance of a metallic wire is R. If the radius of the metallic wire is reduced to half of its initial value while keeping all other parameters the same, the new resistance becomes ______.

  1. ((a))

    R4\frac{R}{4}

  2. ((b))

    R2\frac{R}{2}

  3. ((c))

    2R

  4. ((d))

    4R

Show Answer
Answer: ((a))

R4\frac{R}{4}

55

Select the pair that follows the same pattern as the one followed by the two sets of pairs given below. Both pairs follow the same pattern.

BSR : GQW

LOB : QMG

  1. ((a))

    RWH : WUM

  2. ((b))

    HVD : LTH

  3. ((c))

    KRW : NPZ

  4. ((d))

    QGT : TDW

Show Answer
Answer: ((a))

RWH : WUM

56

If 11.6 : x :: x : 2.9, and x > 0, then find the value of x. 

  1. ((a))

    10.9

  2. ((b))

    7.7

  3. ((c))

    5.8

  4. ((d))

    3.1

Show Answer
Answer: ((a))

10.9

57

What is the first step when encountering a system failure in a workplace?

  1. ((a))

    Report the issue and follow the emergency protocol

  2. ((b))

    Ignore the failure and continue working

  3. ((c))

    Immediately restart all systems without inspection

  4. ((d))

    Disconnect all power sources permanently

Show Answer
Answer: ((a))

Report the issue and follow the emergency protocol

58

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

87 118 149 ? 211 242

  1. ((a))

    188

  2. ((b))

    171

  3. ((c))

    180

  4. ((d))

    199

Show Answer
Answer: ((a))

188

59

Jaspreet deposited a sum of ₹12,800 at 5% rate of interest per annum, compounded annually. The total amount (in ₹) received by Jaspreet after 2 years will be: 

  1. ((a))

    13,997

  2. ((b))

    14,112

  3. ((c))

    14,512

  4. ((d))

    14,442

Show Answer
Answer: ((a))

13,997

60

Which key combination is commonly used for copying text in many text editing applications in Windows?

  1. ((a))

    Ctrl+V

  2. ((b))

    Ctrl+S

  3. ((c))

    Ctrl+C

  4. ((d))

    Tab 

Show Answer
Answer: ((a))

Ctrl+V

61

How many significant figures are there in 4.700 m? 

  1. ((a))

    3

  2. ((b))

    1

  3. ((c))

    2

  4. ((d))

    4

Show Answer
Answer: ((a))

3

62

In a business, Tushar invests in ₹10,000 and Salil invests in ₹20,000. Tushar received 10% of the profit for managing the business and the rest of the profit is divided in the ratio of their capitals. Find Tushar's share of the profit (in ₹) in a profit of ₹14,400.

  1. ((a))

    5,610

  2. ((b))

    5,760

  3. ((c))

    5,510

  4. ((d))

    5,910

Show Answer
Answer: ((a))

5,610

63

Which of the following correctly describes the role of DNS (Domain Name System) in internet architecture? 

  1. ((a))

    DNS routes data packets to their destination across the internet.

  2. ((b))

    DNS translates domain names into IP addresses to allow browsers to locate web servers.

  3. ((c))

    DNS translates IP addresses into domain names to make them easier to remember.

  4. ((d))

    DNS secures the data transmitted over the internet by encrypting it.

Show Answer
Answer: ((a))

DNS routes data packets to their destination across the internet.

64

Which of the following is an INCORRECT formula for power?

  1. ((a))

    VI

  2. ((b))

    I2R

  3. ((c))

    I2Rt

  4. ((d))

    V2/R

Show Answer
Answer: ((a))

VI

65

A boy goes to school at a speed of 5 km/hr. He returns at a speed of 14 km/hr. He takes a total of 8 hours for both going to school and returning. The distance (in km) between his home and school is:

  1. ((a))

    29.5

  2. ((b))

    27

  3. ((c))

    28.6

  4. ((d))

    31

Show Answer
Answer: ((a))

29.5

66

Which of the following features allows the user to quickly find emails received from a specific sender?

  1. ((a))

    Archive

  2. ((b))

    Draft

  3. ((c))

    Filter

  4. ((d))

    Sort 

Show Answer
Answer: ((a))

Archive

67

If ‘A’ stands for ‘÷’, ‘B’ stands for ‘×’, ‘C’ stands for ‘+’ and ‘D’ stands for ‘−’, then what will come in place of the question mark (?) in the following equation?

35 A 7 C 9 B 3 D 16 = ?

  1. ((a))

    21

  2. ((b))

    18

  3. ((c))

    16

  4. ((d))

    10

Show Answer
Answer: ((a))

21

68

What is the main function of the Transport Layer in the internet architecture?

  1. ((a))

    Reliable data transfer and error correction

  2. ((b))

    Data encapsulation

  3. ((c))

    Routing of packets

  4. ((d))

    IP addressing

Show Answer
Answer: ((a))

Reliable data transfer and error correction

69

A line in an engineering drawing is the ____________.

  1. ((a))

    one-dimensional figure, which has length but no width

  2. ((b))

    dimensionless location in space or on a drawing sheet that has no width, height, or depth

  3. ((c))

    three-dimensional object with length, breadth, and height

  4. ((d))

    closed curve where all points are the same distance from a fixed centre point

Show Answer
Answer: ((a))

one-dimensional figure, which has length but no width

70

The heat developed in a 5 ohm resistor in 2 minutes when a 2A current passes through it is ________. 

  1. ((a))

    2400 J 

  2. ((b))

    500 J 

  3. ((c))

    1000 J

  4. ((d))

    40 J

Show Answer
Answer: ((a))

2400 J 

71

The areas of three adjacent faces of a solid cuboid are 162 cm2, 144 cm2 and 50 cm2. What is the volume (in cm3) of the cuboid?

  1. ((a))

    1080 

  2. ((b))

    805

  3. ((c))

    833

  4. ((d))

    1365

Show Answer
Answer: ((a))

1080 

72

Pihu starts her car at 9 a.m. to reach her office, which is 20 km away. She covers the first 10 km in 30 minutes and reaches her office at 10 a.m. Pihu’s motion is ________. 

  1. ((a))

    retarded motion

  2. ((b))

    non-uniform motion

  3. ((c))

    accelerated motion

  4. ((d))

    uniform motion 

Show Answer
Answer: ((a))

retarded motion

73

How does turning off unused electrical devices contribute to energy conservation?

  1. ((a))

    By lowering utility bills

  2. ((b))

    By enhancing device performance

  3. ((c))

    By degrading electrical devices

  4. ((d))

    By increasing energy use

Show Answer
Answer: ((a))

By lowering utility bills

74

An electric lamp with a resistance of 35 ohms and a conductor with a resistance of 5 ohms are connected to an 8 V battery in series. Calculate the current flowing through the circuit. 

  1. ((a))

    0.2 A

  2. ((b))

    1.82 A

  3. ((c))

    40 A 

  4. ((d))

    2 A

Show Answer
Answer: ((a))

0.2 A

75

Calculate the energy possessed by an object of mass 10 kg when it is raised to a height of 5 m from the ground. Given: g = 9.8 m s-2.

  1. ((a))

    500 J 

  2. ((b))

    450 J

  3. ((c))

    490 J

  4. ((d))

    400 J

Show Answer
Answer: ((a))

500 J 

76

If sinθ+cosθsinθ−cosθ=12\mathrm{\frac{sin \theta+cos\theta}{sin\theta-cos\theta}=12} then the value of 121tan2θ−3169Cot2θ+1\frac{121tan^2\theta - 3}{169Cot^2\theta + 1} is:

  1. ((a))

    −8321-\frac{83}{21}

  2. ((b))

    −8361-\frac{83}{61}

  3. ((c))

    8361\frac{83}{61}

  4. ((d))

    8321\frac{83}{21}

Show Answer
Answer: ((a))

−8321-\frac{83}{21}

77

E, F, G, H, P, Q, and R, are sitting around a circular table facing the centre. F sits fourth to the right of E. Only R sits between F and H. H is NOT an immediate neighbour of E. Only P sits between E and G.

How many people sit between G and Q when counted from the right of G?

  1. ((a))

    Two

  2. ((b))

    Three

  3. ((c))

    Four 

  4. ((d))

    One

Show Answer
Answer: ((a))

Two

78

Find the value of x2 + y2 , given that, x = 7 + √1, y = 7 − √1.

  1. ((a))

    56

  2. ((b))

    69

  3. ((c))

    100

  4. ((d))

    98

Show Answer
Answer: ((a))

56

79

How do we find absolute error?

  1. ((a))

    Absolute error = Actual value/observed value

  2. ((b))

    Absolute error = Actual value × observed value

  3. ((c))

    Absolute error = Actual value + observed value

  4. ((d))

    Absolute error = Actual value − observed value

Show Answer
Answer: ((a))

Absolute error = Actual value/observed value

80

What is the main advantage of using solar energy over fossil fuels? 

  1. ((a))

    Greenhouse gas emission is higher when solar energy is used.

  2. ((b))

    Solar energy extraction requires high operational cost when compared to fossil fuels.

  3. ((c))

    Solar energy requires mining and extraction, whereas fossil fuels are free of cost.

  4. ((d))

    Solar energy is abundantly available and renewable in nature.

Show Answer
Answer: ((a))

Greenhouse gas emission is higher when solar energy is used.

81

Which of the following is an effective way to prevent electrical accidents in the workplace?

  1. ((a))

    Working on live wires with bare hands

  2. ((b))

    Using water to cool overheated electrical equipment

  3. ((c))

    Using insulated tools and wearing rubber gloves

  4. ((d))

    Ignoring minor electrical faults

Show Answer
Answer: ((a))

Working on live wires with bare hands

82

Which term describes the maximum amount of solar energy that a photovoltaic (PV) system can convert into electricity under standard test conditions?

  1. ((a))

    Nameplate capacity

  2. ((b))

    Rated capacity

  3. ((c))

    Effective capacity

  4. ((d))

    Peak load

Show Answer
Answer: ((a))

Nameplate capacity

83

Aditya is using two thin blankets instead of one thick blanket in winter to keep himself warm because ________.

  1. ((a))

    the friction between the two blankets produces heat

  2. ((b))

    the air trapped between the blankets is a poor conductor of heat

  3. ((c))

    the blankets are at a higher temperature than the surroundings

  4. ((d))

    two blankets are cheaper than one thick blanket

Show Answer
Answer: ((a))

the friction between the two blankets produces heat

84

In a certain code language, ‘BORE’ is coded as ‘8624’ and ‘TABS’ is coded as ‘3217’. What is the code for ‘B’ in the given code language?

  1. ((a))

    7

  2. ((b))

    1

  3. ((c))

    2

  4. ((d))

    8

Show Answer
Answer: ((a))

7

85

Two trains of lengths 155 m and 160 m are running at speeds of 74 km/hr and 52 km/hr, respectively, on parallel tracks in opposite directions. In how many seconds will they pass each other? 

  1. ((a))

    9 seconds

  2. ((b))

    14 seconds

  3. ((c))

    7 seconds

  4. ((d))

    18 seconds

Show Answer
Answer: ((a))

9 seconds

86

In winters, people wear jacket because _____. 

  1. ((a))

    it looks good

  2. ((b))

    fabric of jacket is a conductor of heat so it traps body heat

  3. ((c))

    fabric of jacket is an insulator of heat so it traps body heat

  4. ((d))

    jacket allows the heat to flow from our body to surroundings

Show Answer
Answer: ((a))

it looks good

87

Akshay gets 2% increase in his sale amount in the first year and 25% in the second year. With that his present sale is ₹1,42,800. What was his sale (in ₹) two years ago? 

  1. ((a))

    1,14,240

  2. ((b))

    92,000

  3. ((c))

    1,40,000

  4. ((d))

    1,12,000

Show Answer
Answer: ((a))

1,14,240

88

What is the scientific notation for 55,60,000 km?

  1. ((a))

    5.56 × 106 km

  2. ((b))

    5.56 × 104 km

  3. ((c))

    55.6 × 104 km

  4. ((d))

    556 × 106 km

Show Answer
Answer: ((a))

5.56 × 106 km

89

Two containers, one painted black and the other painted white, have been kept in sunlight for one hour in the afternoon. Choose the correct observation.

  1. ((a))

    There is no effect on either container.

  2. ((b))

    The white container becomes hotter than the black container.

  3. ((c))

    The black container becomes hotter than the white container.

  4. ((d))

    Both containers become equally hot.

Show Answer
Answer: ((a))

There is no effect on either container.

90

The energy possessed by an object by virtue of its motion is known as ________. 

  1. ((a))

    kinetic energy

  2. ((b))

    potential energy

  3. ((c))

    heat energy

  4. ((d))

    light energy

Show Answer
Answer: ((a))

kinetic energy

91

Two sets of numbers are given below. In each set of numbers, certain mathematical operation(s) on the first number results in the second number. Similarly, certain mathematical operation(s) on the second number results in the third number and so on. Which of the given options follows the same set of operations as in the given sets?

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

4 – 8 – 18 – 9

6 – 12 – 22 – 11

  1. ((a))

    8 – 16 – 26 – 13

  2. ((b))

    3 – 15 – 12 – 20

  3. ((c))

    9 – 18 – 28 – 20

  4. ((d))

    11 – 13 – 22 – 63

Show Answer
Answer: ((a))

8 – 16 – 26 – 13

92

Which of the following is the temperature range in a clinical thermometer?

  1. ((a))

    30°C to 43°C

  2. ((b))

    35°C to 42°C

  3. ((c))

    10°C to 45°C

  4. ((d))

    31°C to 44°C

Show Answer
Answer: ((a))

30°C to 43°C

93

Which of the following groups represents conductors of heat?

  1. ((a))

    Wood, paper, silver

  2. ((b))

    Paper, copper, plastic

  3. ((c))

    Aluminium, silver, copper

  4. ((d))

    Aluminium, plastic, wood

Show Answer
Answer: ((a))

Wood, paper, silver

94

Select the triad that follows the same pattern as that followed by the two triads given below. Both triads follow the same pattern.

JK - LM - NO

TU - VW - XY

  1. ((a))

    DE - FG - HI

  2. ((b))

    DE - FG - KL

  3. ((c))

    WE - DF - HI

  4. ((d))

    DE - FB - DF

Show Answer
Answer: ((a))

DE - FG - HI

95

In Engineering Drawing, principal lines are drawn to represent __________.

  1. ((a))

    interior or hidden edges

  2. ((b))

    axes of cylindrical, conical or spherical objects

  3. ((c))

    visible edges and surface boundaries of objects

  4. ((d))

    wide lines along which the prints are trimmed

Show Answer
Answer: ((a))

interior or hidden edges

96

A fruit seller had some apples. He sells 40% of the apples and now has 900 apples. How many apples did he originally have?

  1. ((a))

    1800

  2. ((b))

    2250

  3. ((c))

    1500

  4. ((d))

    1350

Show Answer
Answer: ((a))

1800

97

Based on the English alphabetical order, three of the following four letter-cluster pairs are alike in a certain way and thus form a group. Which letter-cluster pair DOES NOT belong to that group?

(Note: The odd one out is not based on the number of consonants/vowels or their position in the letter-cluster pair.)

  1. ((a))

    SA – WQ

  2. ((b))

    WE – AU

  3. ((c))

    DL – HB

  4. ((d))

    MU – QL 

Show Answer
Answer: ((a))

SA – WQ

98

Which of the following represents an item with kinetic energy? 

  1. ((a))

    An extended rubber band

  2. ((b))

    A stone in motion

  3. ((c))

    A book resting on a table

  4. ((d))

    A compressed spring

Show Answer
Answer: ((a))

An extended rubber band

99

In a certain code language,

'A × B' means ‘A is the son of B’,

'A − B' means ‘A is the brother of B’,

'A + B' means ‘A is the wife of B’ and

'A % B' means ‘A is the father of B’.

How is M related to T if ‘M × N % P + S − T’?

  1. ((a))

    Brother's wife's brother

  2. ((b))

    Brother's wife's father

  3. ((c))

    Brother's wife's father's brother

  4. ((d))

    Brother's wife's father's father 

Show Answer
Answer: ((a))

Brother's wife's brother

100

A person saves 50% of his income. If his expenditure is ₹640, then his income (in ₹) is: 

  1. ((a))

    600

  2. ((b))

    1,320

  3. ((c))

    560

  4. ((d))

    1,280

Show Answer
Answer: ((a))

600

Part B (75 questions)

101

Which of the following is INCORRECT about line standard?

  1. ((a))

    Quick measurements over a wide range 

  2. ((b))

    Subject to parallax error

  3. ((c))

    More accurate due to line thickness

  4. ((d))

    Used to measure the distance between two engraved lines

Show Answer
Answer: ((a))

Quick measurements over a wide range 

102

According to Ohm’s Law, how is current related to voltage and resistance?

  1. ((a))

     It is inversely proportional to voltage and resistance. 

  2. ((b))

     It is directly proportional to voltage and inversely proportional to resistance.

  3. ((c))

    It has no relation with voltage or resistance.

  4. ((d))

     It is directly proportional to voltage and resistance. 

Show Answer
Answer: ((a))

 It is inversely proportional to voltage and resistance. 

103

The energy stored (W) in an inductor is given by the formula _______, where C = Capacitance, V= Voltage, I = Current, and L= inductance.

  1. ((a))

    W=LI

  2. ((b))

    W=12LI2W = \frac{1}{2}LI^2

  3. ((c))

    W=12CV2W = \frac{1}{2}CV^2

  4. ((d))

    W=12VI2W = \frac{1}{2}VI^2

Show Answer
Answer: ((a))

W=LI

104

A circuit consisting of an NTC-type thermistor and a fixed resistor is connected in series with a DC power supply. What change will occur in the output voltage as the temperature increases?

  1. ((a))

    The output voltage will remain constant.

  2. ((b))

    The value of the output voltage will fluctuate depending on the resistor value.

  3. ((c))

    The output voltage will increase.

  4. ((d))

    The output voltage will decrease.

Show Answer
Answer: ((a))

The output voltage will remain constant.

105

Which electrical component is used to perform a polarity test to check whether or not the switches are connected in phase/live cable?

  1. ((a))

    Test lamp

  2. ((b))

    Ammeter

  3. ((c))

    Multimeter

  4. ((d))

    Megger

Show Answer
Answer: ((a))

Test lamp

106

What is the primary cause of a sudden drop in insulation resistance in a DC generator?

  1. ((a))

    High Ambient Temperature

  2. ((b))

    Increase in Rotational Speed

  3. ((c))

    Moisture Ingress or Contamination

  4. ((d))

    Excessive Armature Current

Show Answer
Answer: ((a))

High Ambient Temperature

107

Sine bars are used when a high degree of accuracy less than _________ is needed for measuring angles. 

  1. ((a))

    1 minute

  2. ((b))

    1 degree

  3. ((c))

    30 degrees

  4. ((d))

    30 minutes

Show Answer
Answer: ((a))

1 minute

108

In pipe earthing, what is used to connect the earthing conductor to the pipe? 

  1. ((a))

    Soldering

  2. ((b))

    Welding

  3. ((c))

    Tape

  4. ((d))

     Bolts and nuts

Show Answer
Answer: ((a))

Soldering

109

What should be the position of the ‘OFF’ marking on a fireman’s switch?

  1. ((a))

    At the top

  2. ((b))

     In the centre

  3. ((c))

    At the bottom

  4. ((d))

    On the side

Show Answer
Answer: ((a))

At the top

110

A 100-mm centre-punch could have a 10-mm diameter body and a 6-mm diameter point ground to an angle of _________.

  1. ((a))

     60° 

  2. ((b))

    120°

  3. ((c))

    30°

  4. ((d))

    90°

Show Answer
Answer: ((a))

 60° 

111

What is the primary purpose of shielding in electrical cables?

  1. ((a))

    To increase the voltage capacity of the cable

  2. ((b))

    To prevent heat loss from the cable 

  3. ((c))

    To increase the current-carrying capacity of the cable

  4. ((d))

    To protect the cable from external electromagnetic interference

Show Answer
Answer: ((a))

To increase the voltage capacity of the cable

112

What is the first step in rewinding a DC motor?

  1. ((a))

    Inserting a new coil into the slot

  2. ((b))

    Manufacturing Coil Winding Machines

  3. ((c))

    Testing the Armature for Faults

  4. ((d))

    Stripping the old winding

Show Answer
Answer: ((a))

Inserting a new coil into the slot

113

The voltage regulation in percentage for transformer is given by:

  1. ((a))

    Voltage regulation =Vnoload−VloadVnoload×100=\frac{V_{\text{noload}}-V_{\text{load}}}{V_{\text{noload}}}\times100

  2. ((b))

    Voltage regulation =Vnoload−VloadVload×100=\frac{V_{\text{noload}}-V_{\text{load}}}{V_{\text{load}}}\times100

  3. ((c))

    Voltage regulation =Vnoload−VnoloadVload×100=\frac{V_{\text{noload}}-V_{\text{noload}}}{V_{\text{load}}}\times100

  4. ((d))

    Voltage regulation =Vload−VnoloadVload×100=\frac{V_{\text{load}}-V_{\text{noload}}}{V_{\text{load}}}\times100

Show Answer
Answer: ((a))

Voltage regulation =Vnoload−VloadVnoload×100=\frac{V_{\text{noload}}-V_{\text{load}}}{V_{\text{noload}}}\times100

114

Which statement regarding Non-Functional Dimensions (NF) in engineering drawings is true?

Statement 1: Non-functional dimensions are shown as unbounded, because they do not affect the functionality of the component or space.

Statement 2: Non-functional dimensions are typically used for reference purposes only and do not affect the assembly or performance of the component or space.

  1. ((a))

    Both statements are true.

  2. ((b))

    Only Statement 2 is true.

  3. ((c))

    Only Statement 1 is true.

  4. ((d))

    No statement is true.

Show Answer
Answer: ((a))

Both statements are true.

115

Which of the following care and maintenance of a marking table is INCORRECT?

  1. ((a))

    The marking table should be protected from rust.

  2. ((b))

    After use, the marking table should be cleaned with a soft cloth

  3. ((c))

    The marking table should be protected from damage

  4. ((d))

    The surface of the marking table should not be given a thin layer of oil

Show Answer
Answer: ((a))

The marking table should be protected from rust.

116

Read the Assertion (A) and Reason (R) carefully, and select the correct option.

Assertion (A): The earth resistance must be kept as low as possible to ensure that the earthing system is effective during fault conditions.

Reason (R): A low resistance allows fault current to flow easily into the ground, ensuring safety by preventing electrical hazards.

  1. ((a))

     Both Assertion (A) and Reason (R) are correct, but the reason does not correctly explain the assertion

  2. ((b))

    Assertion (A) is correct, but Reason (R) is incorrect. 

  3. ((c))

    Assertion (A) is incorrect, but Reason (R) is correct.

  4. ((d))

    Both Assertion (A) and Reason (R) are correct, and the reason correctly explains the assertion

Show Answer
Answer: ((a))

 Both Assertion (A) and Reason (R) are correct, but the reason does not correctly explain the assertion

117

Which of the following screwdrivers has cross-shaped tips that are unlikely to slip from the cruciform slots in Philips recessed head screws?

  1. ((a))

    Offset screwdriver

  2. ((b))

    Cross-recess screwdriver

  3. ((c))

    Stumpy screwdriver

  4. ((d))

     Ratchet screwdriver

Show Answer
Answer: ((a))

Offset screwdriver

118

In crane and hoist applications, why is a DC series motor preferred over a DC shunt motor?

  1. ((a))

    It consumes less power at no load.

  2. ((b))

     It provides a high starting torque, which is required for lifting loads.

  3. ((c))

     It requires minimal maintenance compared to other motors

  4. ((d))

    It maintains constant speed regardless of load variations

Show Answer
Answer: ((a))

It consumes less power at no load.

119

In a transformer, insulation resistance test is carried out to measure:

  1. ((a))

     the inductance between different parts of the transformer

  2. ((b))

    the resistance of the insulation between windings and core

  3. ((c))

    magnetic flux

  4. ((d))

    frequency

Show Answer
Answer: ((a))

 the inductance between different parts of the transformer

120

In the context of measuring earthing systems, what is meant by 'earth resistance'?

  1. ((a))

    The resistance between any two points on the ground at a distance of 1 meter.

  2. ((b))

    The soil's ability to resist the flow of electric current.

  3. ((c))

    The voltage required to activate the earthing system.

  4. ((d))

    Resistance between the live wire and the ground

Show Answer
Answer: ((a))

The resistance between any two points on the ground at a distance of 1 meter.

121

The back pitch of an armature winding affects:

  1. ((a))

     the distribution of the armature winding

  2. ((b))

     the type of winding used

  3. ((c))

    the number of commutator segments

  4. ((d))

     the number of coils per pole

Show Answer
Answer: ((a))

 the distribution of the armature winding

122

Why do cars have treaded tires?

  1. ((a))

    To increase friction and grip on the road

  2. ((b))

    To reduce friction

  3. ((c))

    For weight loss

  4. ((d))

    To increase speed

Show Answer
Answer: ((a))

To increase friction and grip on the road

123

What is the primary reason for the heating effect in a conductor when an electric current passes through it?

  1. ((a))

    The conductor absorbs heat from the surrounding environment.

  2. ((b))

    The movement of electrons causes heat generation.

  3. ((c))

    The movement of protons causes heat generation.

  4. ((d))

    The electric field in the conductor causes heat generation.

Show Answer
Answer: ((a))

The conductor absorbs heat from the surrounding environment.

124

What is the primary reason for conducting a vehicle road test?

  1. ((a))

    Testing how fast the car can go

  2. ((b))

    Increasing Fuel Efficiency

  3. ((c))

    Ensuring that the vehicle is operating safely and correctly.

  4. ((d))

    To avoid the need for inspection

Show Answer
Answer: ((a))

Testing how fast the car can go

125

Which type of measuring instrument is used to measure insulation resistance of transformer?

  1. ((a))

    Wattmeter

  2. ((b))

    Megohmmeter

  3. ((c))

    Energy meter

  4. ((d))

    CRO

Show Answer
Answer: ((a))

Wattmeter

126

The accuracy of measurement by a try square is about:

  1. ((a))

    0.004 mm per 10 mm length

  2. ((b))

    0.001 mm per 10 mm length

  3. ((c))

    0.002 mm per 10 mm length

  4. ((d))

    0.02 mm per 10 mm length

Show Answer
Answer: ((a))

0.004 mm per 10 mm length

127

An angle greater than 180 degrees is called a ________________.

  1. ((a))

    Acute angle

  2. ((b))

    Right angle

  3. ((c))

    Obtuse angle

  4. ((d))

    Reflex angle

Show Answer
Answer: ((a))

Acute angle

128

Why is it important to protect the stator core from damage while removing burnt winding wires?

  1. ((a))

    Damage to the core will result in an increase in the overall size of the motor, thereby affecting its performance.

  2. ((b))

    This is the cause of reduced motor efficiency and an irregular magnetic flux distribution resulting from a damaged core.

  3. ((c))

    System instability arises from the excessively strong mechanical vibrations generated by the damaged stator core.

  4. ((d))

    It is not possible to perform winding without damaging the stator slots.

Show Answer
Answer: ((a))

Damage to the core will result in an increase in the overall size of the motor, thereby affecting its performance.

129

Transformer oil should have _______ dielectric strength and _______ viscosity. 

  1. ((a))

    high; high

  2. ((b))

     high; low

  3. ((c))

    low; high

  4. ((d))

    low; low

Show Answer
Answer: ((a))

high; high

130

To minimise core losses in transformer, __________ material is used for core lamination.

  1. ((a))

    glass sheet

  2. ((b))

     plastic

  3. ((c))

    CRGO silicon steel sheet 

  4. ((d))

    rubber

Show Answer
Answer: ((a))

glass sheet

131

What is the primary benefit of employing enamelled copper wire in the windings of alternating current motors? 

  1. ((a))

    It is more economical than alternative materials.

  2. ((b))

    It diminishes the motor's dimensions.

  3. ((c))

    It enhances the thermal conductivity of the windings. 

  4. ((d))

    It offers electrical insulation while maintaining a compact wire configuration.

Show Answer
Answer: ((a))

It is more economical than alternative materials.

132

What is the objective of testing an earthing system?

  1. ((a))

    To ensure the system has a low resistance path to the earth

  2. ((b))

    To test the current capacity of the earthing system

  3. ((c))

    To check the voltage levels

  4. ((d))

    To measure the insulation resistance of cables

Show Answer
Answer: ((a))

To ensure the system has a low resistance path to the earth

133

A statement and conclusion for pictorial drawing are given below. Determine the logical relationship between them. Statement: Pictorial drawings are three-dimensional and provide a visual representation of an object.

Conclusion: Therefore, pictorial drawings are useful for describing the shape of a piece part or component

  1. ((a))

    The conclusion logically follows from the statement.

  2. ((b))

    The conclusion is unrelated to the statement

  3. ((c))

     The conclusion is partially supported by the statement.

  4. ((d))

    The conclusion does not logically follow from the statement

Show Answer
Answer: ((a))

The conclusion logically follows from the statement.

134

For which of the following calipers, a screw and nut are provided for opening and closing the caliper legs?

  1. ((a))

    Leg and point calipers

  2. ((b))

    Simple calipers

  3. ((c))

    Spring joint calipers 

  4. ((d))

     Firm joint calipers

Show Answer
Answer: ((a))

Leg and point calipers

135

The Insulation Resistance value for a transformer is measured in:

  1. ((a))

    ohms

  2. ((b))

    megaohms

  3. ((c))

    kiloohms

  4. ((d))

    KVA

Show Answer
Answer: ((a))

ohms

136

Which device is used to protect against electric shocks and fires caused by earth leakage currents?

  1. ((a))

    MCCB

  2. ((b))

    MCB

  3. ((c))

    ELCB

  4. ((d))

    ECB 

Show Answer
Answer: ((a))

MCCB

137

Which type of electrolytic capacitor is generally more stable and has better performance in small sizes?

  1. ((a))

    Tantalum capacitor

  2. ((b))

    Mica capacitor

  3. ((c))

    Ceramic capacitor

  4. ((d))

    Aluminium capacitor

Show Answer
Answer: ((a))

Tantalum capacitor

138

Which is an important electrical safety tip in a workshop?

  1. ((a))

    If the device is functional, disregard the worn-out wires.

  2. ((b))

    Ensuring that electrical equipment is properly grounded.

  3. ((c))

    Operating a machine with wet hands

  4. ((d))

    Using water to clean an electrical panel

Show Answer
Answer: ((a))

If the device is functional, disregard the worn-out wires.

139

What is the primary goal of the 5S concept? 

  1. ((a))

    To replace traditional safety measures

  2. ((b))

    To eliminate the need for maintenance

  3. ((c))

    To increase the number of safety regulations

  4. ((d))

    To improve workplace organisation and efficiency

Show Answer
Answer: ((a))

To replace traditional safety measures

140

What is the purpose of measuring electrode resistance during the installation of an earthing system?

  1. ((a))

    Determining the System's Electrical Load Capacity

  2. ((b))

    Ensuring low impedance in the earthing system for the dissipation of fault current.

  3. ((c))

    Ensuring Proper Grounding of Electrical Equipment

  4. ((d))

    Measuring the System's Insulation Resistance

Show Answer
Answer: ((a))

Determining the System's Electrical Load Capacity

141

What are the two types of mica capacitors?

  1. ((a))

    Variable and fixed capacitors

  2. ((b))

    Electrolytic and paper capacitors

  3. ((c))

     Ceramic and film capacitors

  4. ((d))

    Stacked foil and silvered mica capacitors

Show Answer
Answer: ((a))

Variable and fixed capacitors

142

Which component in an MCB is responsible for detecting a short circuit?

  1. ((a))

    Arc chute

  2. ((b))

    Solenoid

  3. ((c))

    Bimetallic strip

  4. ((d))

    Handle

Show Answer
Answer: ((a))

Arc chute

143
DesignationTrimmed Size
A) A0P) 297 × 420
B) A1Q) 420 × 594
C) A2R) 594 × 841
D) A3S) 841 × 1189
  1. ((a))

    A-S ; B-P ; C-Q ; D-R

  2. ((b))

    A-S ; B-R ; C-Q ; D-P

  3. ((c))

    A-P ; B-R ; C-Q ; D-S

  4. ((d))

    A-Q ; B-R ; C-S ; D-P

Show Answer
Answer: ((a))

A-S ; B-P ; C-Q ; D-R

144

How should the electrode resistance be measured if multiple earthing electrodes are used in parallel?

  1. ((a))

    Measure electrode resistance individually and then average the values

  2. ((b))

    Measure electrode resistance individually and then add it 

  3. ((c))

    Use a clamp meter to measure the resistance of parallel electrodes

  4. ((d))

    Measure the total resistance of the combined electrodes in parallel

Show Answer
Answer: ((a))

Measure electrode resistance individually and then average the values

145

In large AC motors, multi-spindle winding machines are used to ___________.

  1. ((a))

    Insertion of Insulating Material into Stator Slots

  2. ((b))

    Measurement of the resistance of each coil winding

  3. ((c))

    Application of coil cooling agent throughout the entire welding process.

  4. ((d))

    Winding multiple coils simultaneously and increasing production efficiency.

Show Answer
Answer: ((a))

Insertion of Insulating Material into Stator Slots

146

Which of the following types of resistors is preferred for high-current applications?

  1. ((a))

    Wire-wound resistor

  2. ((b))

    Film resistor

  3. ((c))

    Variable resistor

  4. ((d))

    Carbon composition resistor

Show Answer
Answer: ((a))

Wire-wound resistor

147

What is an important factor to consider when rewinding a field coil?

  1. ((a))

    The length of the wire used

  2. ((b))

    The colour of the winding wire

  3. ((c))

    The weight of the coil

  4. ((d))

    The selection of winding wire and insulation

Show Answer
Answer: ((a))

The length of the wire used

148

Which option shows the correct answer when 27°C is converted to the kelvin scale?

  1. ((a))

    – 246 K

  2. ((b))

    – 300 K

  3. ((c))

    246 K 

  4. ((d))

    300 K

Show Answer
Answer: ((a))

– 246 K

149

Two coils, A and B, have self-inductances of 120 μH and 300 μH, respectively. When a current of 1 A flows through coil A, it induces a flux linkage of 100 μWb turns in coil B. What is the mutual inductance between the coils?

  1. ((a))

     300 μH

  2. ((b))

     100 μH

  3. ((c))

    50 μH 

  4. ((d))

    120 μH

Show Answer
Answer: ((a))

 300 μH

150

Which test is often conducted to assess the existence of inter-turn defects in an AC motor winding prior to rewinding?

  1. ((a))

    No-load examination

  2. ((b))

    Current signature test

  3. ((c))

    Open circuit test

  4. ((d))

    Winding resistance test

Show Answer
Answer: ((a))

No-load examination

151

Which of the following is a major risk associated with fuel spillage?

  1. ((a))

    Better lubrication for workshop floors

  2. ((b))

    Reduced need for ventilation

  3. ((c))

    Fire hazards and environmental contamination

  4. ((d))

    Increased productivity

Show Answer
Answer: ((a))

Better lubrication for workshop floors

152

What is the term used to describe programs that distinguish between uppercase and lowercase letters, treating "yes" and "YES" as different inputs?

  1. ((a))

    Case-sensitive

  2. ((b))

    Numerical 

  3. ((c))

    Case-insensitive

  4. ((d))

    Alphabetical 

Show Answer
Answer: ((a))

Case-sensitive

153

_________________ recommend(s) 20 mm wide margins for sheet sizes AO and A1 in engineering drawings.

  1. ((a))

    Grid reference system

  2. ((b))

     Custom grids

  3. ((c))

    Borders and frames: SP: 46 (2003) 

  4. ((d))

    Geographic coordinate systems

Show Answer
Answer: ((a))

Grid reference system

154

What is the main difference between a primary and a secondary electrochemical cell?

  1. ((a))

    A secondary cell produces more energy than a primary cell.

  2. ((b))

    There is no difference between primary and secondary cells.

  3. ((c))

    A primary cell cannot be recharged, but a secondary cell can be recharged.

  4. ((d))

    A primary cell can be recharged, but a secondary cell cannot.

Show Answer
Answer: ((a))

A secondary cell produces more energy than a primary cell.

155

In a DC motor's winding table, if the number of poles is increased, what will likely happen to the number of armature slots? 

  1. ((a))

    The number of slots will remain unchanged regardless of pole count

  2. ((b))

    The number of slots will increase to accommodate the additional coils.

  3. ((c))

    The number of slots will increase, but only by one per additional pole.

  4. ((d))

    The number of slots will decrease in proportion to the increase in poles.

Show Answer
Answer: ((a))

The number of slots will remain unchanged regardless of pole count

156

Which of the following actions is a part of the emergency response team's responsibilities during an active emergency?

  1. ((a))

    Scheduling regular evacuation drills 

  2. ((b))

    Conducting routine safety checks

  3. ((c))

    Preparing reports on emergency incidents

  4. ((d))

    Rescuing persons in immediate danger

Show Answer
Answer: ((a))

Scheduling regular evacuation drills 

157

Connection of voltage transformer and current transformer across line are _______, respectively.

  1. ((a))

     series and parallel

  2. ((b))

     series and series

  3. ((c))

     parallel and series

  4. ((d))

    parallel and parallel

Show Answer
Answer: ((a))

 series and parallel

158

Why is a DC compound generator preferred for industrial loads?

  1. ((a))

    It provides better efficiency.

  2. ((b))

    It is easier to manufacture.

  3. ((c))

    It has no losses.

  4. ((d))

    It has constant voltage characteristics

Show Answer
Answer: ((a))

It provides better efficiency.

159

Natural rubber is soft at high temperatures and brittle at low temperatures; hence raw rubber is heated with sulphur and other additives at a temperature range between 373 – 415 K to make it strong. This process is called ______ of rubber.

  1. ((a))

    molding

  2. ((b))

    extrusion

  3. ((c))

    latex

  4. ((d))

    vulcanisation

Show Answer
Answer: ((a))

molding

160

Micanite paper consists of soft mica bonded with which material?

  1. ((a))

    Glass fibre

  2. ((b))

    Cotton and silk 

  3. ((c))

    Paper or cloth base

  4. ((d))

    Rubber

Show Answer
Answer: ((a))

Glass fibre

161

While performing short circuit test on a transformer to determine its parameter, instruments are placed on the:

  1. ((a))

    low voltage side, while the high voltage side is open circuit

  2. ((b))

    high voltage side, while the low voltage side is open circuit

  3. ((c))

    low voltage side, while the high voltage side is short circuit

  4. ((d))

    high voltage side, while the low voltage side is short circuit

Show Answer
Answer: ((a))

low voltage side, while the high voltage side is open circuit

162

What is the maximum total current allowed in a ring circuit as per IEE regulations?

  1. ((a))

     20 amps

  2. ((b))

    50 amps 

  3. ((c))

    10 amps

  4. ((d))

    30 amps

Show Answer
Answer: ((a))

 20 amps

163

What is the importance of following the manufacturer's guidelines for DC motor maintenance?

  1. ((a))

     Ensures safe and efficient operation

  2. ((b))

    Modifies the motor's design

  3. ((c))

    Saves time and resources

  4. ((d))

    Increases the motor's power output

Show Answer
Answer: ((a))

 Ensures safe and efficient operation

164

The transformation ratio (K) of a transformer is defined as:

  1. ((a))

    the ratio of the secondary voltage (V2) to the primary voltage (V1)

  2. ((b))

    . the ratio of the primary EMF (E1) to the secondary EMF (E2)

  3. ((c))

    the ratio of the primary voltage (V1) to the secondary voltage (V2)

  4. ((d))

    the ratio of the number of primary turns (N1) to the number of secondary turns (N2)

Show Answer
Answer: ((a))

the ratio of the secondary voltage (V2) to the primary voltage (V1)

165

Megger is a portable instrument to measure:

  1. ((a))

    Inductance Value

  2. ((b))

    Power

  3. ((c))

    High Insulation Resistance Value

  4. ((d))

    Capacitance Value

Show Answer
Answer: ((a))

Inductance Value

166

What factor is multiplied with the cross-section area to account for the additional insulation area?

  1. ((a))

    0.75

  2. ((b))

    2.00 

  3. ((c))

    1.25

  4. ((d))

    1.50

Show Answer
Answer: ((a))

0.75

167

What is typically done after rewinding a DC motor's armature?

  1. ((a))

    The armature is immediately connected to a load for testing. 

  2. ((b))

    The armature is balanced and tested for performance. 

  3. ((c))

     The armature is coated with a protective layer.

  4. ((d))

    The armature is placed directly back into the motor casing.

Show Answer
Answer: ((a))

The armature is immediately connected to a load for testing. 

168

Which of the following conversions are correct?

  1. ((a))

    1 L = 1000 dm3 and 1 mL = 1000 cm3

  2. ((b))

    1000 L = 1 dm3 and 1 mL = 1000 cm3

  3. ((c))

    1000 L = 1 dm3 and 1000 mL = 1 cm3

  4. ((d))

    1 L = 1 dm3 and 1 mL = 1 cm3

Show Answer
Answer: ((a))

1 L = 1000 dm3 and 1 mL = 1000 cm3

169

The SI unit of 'ultimate stress' is ________.

  1. ((a))

    newton (N)

  2. ((b))

    pascal (Pa)

  3. ((c))

    joule per square meter (J/m² )

  4. ((d))

    newton per meter (N/m)

Show Answer
Answer: ((a))

newton (N)

170

In a logic circuit, three SPST (Single Pole Single Throw) switches are used to implement a logic gate. The switches are connected in series. What will be the output of the circuit if all the switches are closed?

  1. ((a))

    0

  2. ((b))

    Undefined / Undeterminable

  3. ((c))

    The output will depend on the type of gate used

  4. ((d))

    1

Show Answer
Answer: ((a))

0

171

Which of the following types of DC motor is commonly used in electric traction applications such as trains and trams?

  1. ((a))

    DC Shunt Motor

  2. ((b))

    DC Series Moto

  3. ((c))

    Permanent Magnet DC Motor

  4. ((d))

    DC Compound Motor

Show Answer
Answer: ((a))

DC Shunt Motor

172

Which DC motor type provides the best speed regulation under varying loads?

  1. ((a))

    Permanent Magnet DC Motor

  2. ((b))

    DC Series Motor

  3. ((c))

    Cumulative Motor

  4. ((d))

    DC Shunt Motor

Show Answer
Answer: ((a))

Permanent Magnet DC Motor

173

A rectangular floor measuring 10 m × 8 m is to be tiled. If each tile covers 0.25 m², how many tiles are needed?

  1. ((a))

    320

  2. ((b))

    300

  3. ((c))

    200

  4. ((d))

    250

Show Answer
Answer: ((a))

320

174

What is the unit of measurement for earth fault loop impedance?

  1. ((a))

    Farads (F)

  2. ((b))

    Amperes (A)

  3. ((c))

    Ohms (Ω)

  4. ((d))

    Volts (V)

Show Answer
Answer: ((a))

Farads (F)

175

What is the primary objective of preventive maintenance?

  1. ((a))

    Reducing unexpected equipment failures.

  2. ((b))

    Delaying repairs until a breakdown occurs.

  3. ((c))

    Increasing employees' workload

  4. ((d))

    Eliminating the need for regular inspections

Show Answer
Answer: ((a))

Reducing unexpected equipment failures.

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