Official Paper

RRB ALP CBT-II (Fitter) Official Paper (Held On: 02 May, 2025 Shift 2) (Previous Year Paper)

175 questions · 150 minutes · with answers · free

Attempt as Timed Mock Test

Part A (100 questions)

1

A wire of a certain material having length L and cross-sectional area A has a resistance of 2 Ω. What will be the resistance of another wire of the same material having length 2L and cross-sectional area A/2?

  1. ((a))

    2 Ω\Omega

  2. ((b))

    1Ω1\Omega

  3. ((c))

    8Ω8\Omega

  4. ((d))

    4Ω4\Omega

Show Answer
Answer: ((a))

2 Ω\Omega

2

In this question, statement I and statement II are given. These statements may be independent causes, effects of independent causes, or a common cause. One of these statements may be an effect of the other. Read both statements carefully and choose the correct answer.

I. The water level of the local river has reached its lowest level so far this summer, disrupting water supply to nearby towns.

II. Several power plants in the region have reported reduced power generation due to insufficient water for cooling processes.

  1. ((a))

    Both I and II are independent causes.

  2. ((b))

    II is the cause and I is its possible effect.

  3. ((c))

    Both I and II are effects of independent causes.

  4. ((d))

    I is the cause and II is its possible effect.

Show Answer
Answer: ((a))

Both I and II are independent causes.

3

Identify the correct pair of Personal Protective Equipment (PPE) categories based on the nature of the hazard. 

  1. ((a))

    Non-respiratory: Safety goggles, Respiratory: Safety gloves

  2. ((b))

    Non-respiratory: Nose mask, Respiratory: Safety boots

  3. ((c))

    Non-respiratory: Safety helmet, Respiratory: Nose mask

  4. ((d))

    Non-respiratory: Ear plugs, Respiratory: Safety shoes

Show Answer
Answer: ((a))

Non-respiratory: Safety goggles, Respiratory: Safety gloves

4

Kaushik starts from point A and walks 32 m towards East. He turns right, walks 16 m and then turns right again, walks 14 m, reaches point B and stops. Chitra starts walking from point 2 which is 60 m east of point A. She walks 18 m north, turns right, walks 19 m, turns right and walks 65 m, turns right and walks 61 m and stops at point Y. What is the shortest distance between point B and point Y? (All turns are 90 degree turns only.)

  1. ((a))

    33 m

  2. ((b))

    29 m

  3. ((c))

    31 m

  4. ((d))

    25 m

Show Answer
Answer: ((a))

33 m

5

Which of the following features is not available in Google Docs?

  1. ((a))

    Comment on text

  2. ((b))

    Insert images

  3. ((c))

    Create tables

  4. ((d))

    Track changes

Show Answer
Answer: ((a))

Comment on text

6

Which of the following is an example of preventive maintenance? 

  1. ((a))

     Ignoring minor faults to save costs 

  2. ((b))

    Using equipment until failure occurs

  3. ((c))

    Waiting for a machine to break down before repairing it

  4. ((d))

    Conducting regular lubrication and inspections

Show Answer
Answer: ((a))

 Ignoring minor faults to save costs 

7

Three of the following four letter-cluster pairs are alike in a certain way based on the English alphabetical order and thus form a group. Which of the following letter-cluster pairs does not belong to that group?

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

  1. ((a))

    WC-UL

  2. ((b))

     MS-KB

  3. ((c))

    DJ-BT

  4. ((d))

    TZ-RI

Show Answer
Answer: ((a))

WC-UL

8

Which of the following processes is mainly responsible for the loss of heat from a hot vessel?

  1. ((a))

    Radiation

  2. ((b))

    Conduction

  3. ((c))

    Absorption

  4. ((d))

    Convection

Show Answer
Answer: ((a))

Radiation

9

If a force of 6 N is applied on a body, which is displaced 2m in the direction of force, then find the work done.

  1. ((a))

     3 J

  2. ((b))

    12 J

  3. ((c))

    4 J

  4. ((d))

     10 J

Show Answer
Answer: ((a))

 3 J

10

A class of 30 students took an exam, with the average score of 12 students being 68 and the average score of the rest being 70. What is the average score of the class?

  1. ((a))

     67.2

  2. ((b))

    69.2

  3. ((c))

    70.2

  4. ((d))

    68.2

Show Answer
Answer: ((a))

 67.2

11

Ohm's law for a given potential difference (V), current (I) and resistance (R) across a conductor is given as

  1. ((a))

    I = VR

  2. ((b))

    V = I − R

  3. ((c))

    V = I + R

  4. ((d))

    V = IR

Show Answer
Answer: ((a))

I = VR

12

How does the thermal pollution of water affect the water quality?

  1. ((a))

    Sediments get settled soon

  2. ((b))

    Alters the colour of water 

  3. ((c))

    Increases pH of water

  4. ((d))

    Oxygen level in water gets reduced

Show Answer
Answer: ((a))

Sediments get settled soon

13

What is the typical range of wind speed (in m/s) required for the efficient operation of most commercial wind turbines?

  1. ((a))

    12 - 25 m/s

  2. ((b))

     0 - 2 m/s

  3. ((c))

    5 - 15 m/s 

  4. ((d))

    3 - 5 m/s

Show Answer
Answer: ((a))

12 - 25 m/s

14

If 46.4 : x :: x : 2.9, and x > 0, then find the value of x.

  1. ((a))

    15.6

  2. ((b))

    14.3

  3. ((c))

    13.4

  4. ((d))

    11.6

Show Answer
Answer: ((a))

15.6

15

The areas of three adjacent faces of a solid cuboid are 190 cm², 285 cm², and 150 cm². Find the volume (in cm³) of the cuboid.

  1. ((a))

    2850

  2. ((b))

    2716

  3. ((c))

    2896

  4. ((d))

    3076

Show Answer
Answer: ((a))

2850

16

A fruit vendor had some apples. He sold 40% of them and now has 840. How many apples did he originally have?

  1. ((a))

    1400

  2. ((b))

    1260

  3. ((c))

    1800

  4. ((d))

    2100

Show Answer
Answer: ((a))

1400

17

How many fundamental units are there in the SI system?

  1. ((a))

    14

  2. ((b))

    10

  3. ((c))

    5

  4. ((d))

    7

Show Answer
Answer: ((a))

14

18

What is recommended to be done before replacing a fuse?

  1. ((a))

    Wear safety belt.

  2. ((b))

    Wear rubber gloves.

  3. ((c))

    to close the circuit.

  4. ((d))

    Standing on a stool.

Show Answer
Answer: ((a))

Wear safety belt.

19

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'.

If 'M × N − P % S + T', then how is M related to T?

  1. ((a))

    wife's father's brother's son

  2. ((b))

    wife's father's brother

  3. ((c))

    wife's mother's brother's son

  4. ((d))

    wife's mother's brother

Show Answer
Answer: ((a))

wife's father's brother's son

20

Cooking utensils have metal bodies and plastic handles because _______

  1. ((a))

    Both metal and plastic are good conductors of heat.

  2. ((b))

    Metal is a good conductor of heat and plastic is a heat insulator.

  3. ((c))

    Metal is a heat insulator and plastic is a good conductor of heat.

  4. ((d))

    Both metal and plastic are heat insulators.

Show Answer
Answer: ((a))

Both metal and plastic are good conductors of heat.

21

The list price of an article is ₹5,100 and a discount of 32% 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 ₹1,734? 

  1. ((a))

    49%

  2. ((b))

    46%

  3. ((c))

    50%

  4. ((d))

    55%

Show Answer
Answer: ((a))

49%

22

A bulb is connected to a 10 V battery for 20 seconds. If it draws a current of 2 A, calculate the heat energy generated by the bulb.

  1. ((a))

    400 J

  2. ((b))

    200 J

  3. ((c))

    100 J

  4. ((d))

    120 J

Show Answer
Answer: ((a))

400 J

23

What is the primary purpose of information kiosks set up by the government?

  1. ((a))

    To provide free food and beverages to citizens

  2. ((b))

     To offer citizens easy access to information and services such as bill payments, registrations and public information

  3. ((c))

    To allow citizens to participate in online gaming competitions

  4. ((d))

    To enable government employees to monitor social media activities of citizens

Show Answer
Answer: ((a))

To provide free food and beverages to citizens

24

Which of the following statements are true regarding general safety in the workshop?

Statement 1: Use any available tool for the job, even if it is not the correct one.

Statement 2: Keep the tools in their proper place after use.

Statement 3: Clean the machine while it is still running.

Statement 4: Replace worn-out or damaged tools immediately.

  1. ((a))

    Statements 1 and 2 are true.

  2. ((b))

     Statements 3 and 4 are true.

  3. ((c))

    Statements 1 and 3 are true. 

  4. ((d))

    Statements 2 and 4 are true.

Show Answer
Answer: ((a))

Statements 1 and 2 are true.

25

What is the proper way to handle misunderstandings in online conversations?

  1. ((a))

    Publicly embarrassing the other person

  2. ((b))

    Block that person immediately

  3. ((c))

    Addressing misunderstandings politely and privately

  4. ((d))

    Ignoring the conversation

Show Answer
Answer: ((a))

Publicly embarrassing the other person

26

A man bought two varieties of apples at ₹4 per 5 apples and ₹4 per apple, respectively. If he bought an equal number of each variety of apples and then sold all the apples at ₹3 per apple, what would his profit percentage be?

  1. ((a))

    2%

  2. ((b))

    24%

  3. ((c))

    25%

  4. ((d))

    23%

Show Answer
Answer: ((a))

2%

27

Simplify the following expression: (x−y−z)2−(x+y+z)2(x - y - z) ^ 2 - (x + y + z) ^ 2

  1. ((a))

    −4x (y + z)

  2. ((b))

    −4z (x + y)

  3. ((c))

    −4y (x + z)

  4. ((d))

    −4 (xy + yz + zx)

Show Answer
Answer: ((a))

−4x (y + z)

28

What is the process of heat transfer in liquids?

  1. ((a))

    Just conduction 

  2. ((b))

    Both conduction and radiation

  3. ((c))

    Convection

  4. ((d))

    Only radiation

Show Answer
Answer: ((a))

Just conduction 

29

In a rare coin collection, there was one gold coin for every five non-gold coins. Then, 18 more gold coins were added to the collection, after which the ratio of gold coins to nongold coins became 5 : 7. How many coins in all are now there in the collection? 

  1. ((a))

    55

  2. ((b))

    45

  3. ((c))

    75

  4. ((d))

    60

Show Answer
Answer: ((a))

55

30

A car leaves New Delhi and goes to Agra. The distance between the two cities is 300 km. Then the car returns to New Delhi. What is the total distance and displacement covered by the car? (Assume the car returns to the same destination and the route taken for both journeys is the same.)

  1. ((a))

    The distance covered is 0 km and the displacement is 600 km.

  2. ((b))

    The distance covered is 0 km and the displacement is 0 km.

  3. ((c))

    The distance covered is 300 km and displacement is 0 km.

  4. ((d))

    The distance covered is 600 km and displacement is 0 km.

Show Answer
Answer: ((a))

The distance covered is 0 km and the displacement is 600 km.

31

Samir can complete a task in 6 days, while Tanveer can do it in 8. If Amir joins them, the three can complete the entire task in 3 days. If the total payment for the work is ₹2,400, how much will Aamir receive for his contribution?

  1. ((a))

    ₹300

  2. ((b))

     ₹250

  3. ((c))

     ₹430

  4. ((d))

    ₹340

Show Answer
Answer: ((a))

₹300

32

A person saves 10% of his monthly income. If his monthly income increases by 30%, he saves 20% more than before. The percentage increase in his expenditure (rounded to two decimal places) is

  1. ((a))

    31.11%

  2. ((b))

    24.89%

  3. ((c))

    40.44%

  4. ((d))

    37.33%

Show Answer
Answer: ((a))

31.11%

33

A, B, C, D, E, F and G are seated around a round table facing the center. G sits second to the left of E. B sits third to the right of A. C is the immediate neighbour of both E and B. D sits immediate left of G. How many people sit between E and F when counted from the right of E?

  1. ((a))

    Three

  2. ((b))

    Two

  3. ((c))

    One

  4. ((d))

    Four

Show Answer
Answer: ((a))

Three

34

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

<br>

(Left)^TJ#LROY#%SU$EKQ &*£B (Right)

<br>

How many such symbols are there, each of which is immediately preceded by a symbol and also immediately followed by a letter?

  1. ((a))

    Four

  2. ((b))

    One

  3. ((c))

    Two

  4. ((d))

    Three

Show Answer
Answer: ((a))

Four

35

In the following triplet, each group of letters is related to the next group following a certain logic. Select the option from the given options that follows the same logic.

GRAND-GRNAD-DNARG

  1. ((a))

    INDEX–DEXIN–XDEIN

  2. ((b))

    NIGHT–NGHIT–THGIN

  3. ((c))

    FRUIT–FRIUT–TIURF

  4. ((d))

    MINOR–MOINR–RNOIM

Show Answer
Answer: ((a))

INDEX–DEXIN–XDEIN

36

A train travels from A to B at a speed of 40 km/hr and returns from B to A via the same route at a speed of 10 km/hr. Find the average speed (in km/hr) of the train during the two-way journey.

  1. ((a))

    15

  2. ((b))

    14

  3. ((c))

    19

  4. ((d))

    16

Show Answer
Answer: ((a))

15

37

Find the largest four-digit number which, when divided by 21, 42, 147 and 105 leaves remainders 14, 35, 140 and 98 respectively.

  1. ((a))

    8019

  2. ((b))

    8813

  3. ((c))

    8034

  4. ((d))

    8816

Show Answer
Answer: ((a))

8019

38

Statement I and Statement II are given below. These statements may be independent causes, effects of independent causes, or common causes. One statement may be an effect of the other. Read both statements carefully and choose the correct answer.

Statement:

The traffic police have issued a traffic advisory regarding traffic diversions for the next two days due to the closure of Raj Bhavan Road.

The Municipal Corporation plans to repair potholes on Raj Bhavan Road tomorrow.

  1. ((a))

    II is the cause and I is its possible effect.

  2. ((b))

    Both I and II are effects of independent causes.

  3. ((c))

    Both I and II are independent causes.

  4. ((d))

    I is the cause and II is its possible effect.

Show Answer
Answer: ((a))

II is the cause and I is its possible effect.

39

The SI unit of luminous intensity is

  1. ((a))

    Watt

  2. ((b))

    Mol

  3. ((c))

    Meter

  4. ((d))

    Candela

Show Answer
Answer: ((a))

Watt

40

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

Statements:

Some cats are rats. All bats are tables. All rats are bats.

Conclusions:

(I): Some cats are bats.

(II): All bats are rats.

  1. ((a))

    Only conclusion (II) follows.

  2. ((b))

    Only conclusion (I) follows.

  3. ((c))

    Neither conclusion (I) nor (II) follows.

  4. ((d))

    Both conclusions (I) and (II) follow.

Show Answer
Answer: ((a))

Only conclusion (II) follows.

41

What is the normal range of temperature for a healthy human body in Kelvin?

  1. ((a))

    (301.15-323.15) K

  2. ((b))

    (283.15-323.15) K

  3. ((c))

     (308.15-315.15) K

  4. ((d))

    (293.15-323.15) K 

Show Answer
Answer: ((a))

(301.15-323.15) K

42

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

197 112 189 129 181 146 173 163?

  1. ((a))

    165

  2. ((b))

    153

  3. ((c))

    156

  4. ((d))

    144

Show Answer
Answer: ((a))

165

43

Study the following table and answer the given question.

Number of mangoes sold on MondayNumber of mangoes sold on TuesdayWednesday
Shop X581925
Shop Y423430

If a mango was sold by shop Y for ₹80 on Tuesday, then how much amount did shop Y receive on Tuesday?

  1. ((a))

    ₹2,720

  2. ((b))

    ₹2,780

  3. ((c))

    ₹2,560

  4. ((d))

    ₹2,620

Show Answer
Answer: ((a))

₹2,720

44

Which of the following options represents the equation of work done?

  1. ((a))

    Work done = Force / Displacement

  2. ((b))

    Work done = Force × Displacement

  3. ((c))

    Work done = Force + Displacement

  4. ((d))

    Work done = Force – Displacement

Show Answer
Answer: ((a))

Work done = Force / Displacement

45

In which chemical process the R group of alcohol is replaced by R' group of ester to make biodiesel from vegetable oils?

  1. ((a))

    Fermentation

  2. ((b))

    Polymerisation

  3. ((c))

    Distillation

  4. ((d))

    Transesterification

Show Answer
Answer: ((a))

Fermentation

46

The resistance of a wire is affected by which of the following factors?

  1. ((a))

    Length and cross-sectional area of ​​the wire only

  2. ((b))

    Length, cross-sectional area and material of the wire

  3. ((c))

    Wire material only

  4. ((d))

    Wire length only

Show Answer
Answer: ((a))

Length and cross-sectional area of ​​the wire only

47

In △PQR\triangle PQR, ∠Q=90∘\angle Q=90^{\circ }. If tan⁡R=12\tan R=\frac{1}{2}, then find the value of sec⁡P(3cos⁡R−sin⁡P)4csc⁡R(4sin⁡R−cos⁡P)\frac{\sec P(3\cos R-\sin P)}{4\csc R(4\sin R-\cos P)}.

  1. ((a))

    13\frac{1}{3}

  2. ((b))

    87\frac{8}{7}

  3. ((c))

    −87-\frac{8}{7}

  4. ((d))

    −13-\frac{1}{3}

Show Answer
Answer: ((a))

13\frac{1}{3}

48

Which of the following letter-number cluster will come in place of the question mark (?) in the given series?

6S, 24T, 12V, 48Y, 24C, ?

  1. ((a))

    60H

  2. ((b))

    96I

  3. ((c))

    96H

  4. ((d))

    96G

Show Answer
Answer: ((a))

60H

49

A cylindrical tank of diameter 14 m contains water up to the depth of 6 m. What is the total area of wetted surface? Use(π = 22/7).

  1. ((a))

    414 m2m^2

  2. ((b))

    418 m2m^2

  3. ((c))

    416m2m^2

  4. ((d))

    412 m2m^2

Show Answer
Answer: ((a))

414 m2m^2

50

In a project involving the design of a pipeline for a building, which technical drawings would need to be referenced together? 

  1. ((a))

    Mechanical and Electrical

  2. ((b))

    Civil and Electronics

  3. ((c))

    Mechanical and Civil 

  4. ((d))

    Electrical and Electronics

Show Answer
Answer: ((a))

Mechanical and Electrical

51

How many folds is/are required to fold an A2 size drawing sheet (420 mm × 594 mm), according to BIS SP: 46-2003? 

  1. ((a))

    1 fold

  2. ((b))

    2 folds

  3. ((c))

     4 folds

  4. ((d))

    3 folds

Show Answer
Answer: ((a))

1 fold

52

Which of the following is not a heat insulator?

  1. ((a))

    Rubber

  2. ((b))

    Silver

  3. ((c))

    Plastic

  4. ((d))

    Wool

Show Answer
Answer: ((a))

Rubber

53

There are four partners in a business, A, B, C, and D. A's investment is two-thirds of D's. B and C invest equal amounts, and C's investment is half of D's. If they earn ₹137.6 lakh at the end of one year, find the total share (in lakhs) of A and B.

  1. ((a))

    62.2

  2. ((b))

    63.2

  3. ((c))

    59.2

  4. ((d))

    60.2

Show Answer
Answer: ((a))

62.2

54

If the arithmetic mean of A and B is 70 and that of B and C is 110, then what will be the value of C-A?

  1. ((a))

    80

  2. ((b))

    90

  3. ((c))

    60

  4. ((d))

    70

Show Answer
Answer: ((a))

80

55

In a certain code language, 'GIFT' is coded as '8264' and 'FEAR' is coded as '3527'. What is the code for 'F' in the given code language?

  1. ((a))

    3

  2. ((b))

    2

  3. ((c))

    5

  4. ((d))

    6

Show Answer
Answer: ((a))

3

56

In the following number-pairs, the second number is obtained by performing certain mathematical operations on the first number. What number should replace X and Y so that the pattern followed by the two numbers on the left side of :: sign is the same as the pattern followed by the two numbers on the right side of :: sign?

(Note: Operations must be performed on whole numbers, without breaking the number into its component digits. Take 13 for example. Operations such as addition/subtraction/multiplication by 13 can be performed on 13. Breaking 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.)

<br>

X : 179 :: 22 : Y

  1. ((a))

    X = 16, Y = 222

  2. ((b))

    X = 15, Y = 223

  3. ((c))

    X = 16, Y = 219 

  4. ((d))

    X = 18, Y = 219

Show Answer
Answer: ((a))

X = 16, Y = 222

57

A, B, C, D, E, and F live on six different floors of the same building. The ground floor is numbered 1, the floor immediately above it is numbered 2, and so on until the topmost floor is numbered 6. F lives on an even-numbered floor, but not on floor number 6. The sum of the floors on which D and F live is 9. The sum of the floors on which F and B live is 5. E lives on the floor immediately below C. How many people live between D and E?

  1. ((a))

    2

  2. ((b))

    1

  3. ((c))

    3

  4. ((d))

    4

Show Answer
Answer: ((a))

2

58

Which of the following correctly identifies the main components of a standard email structure? 

  1. ((a))

    Subject Line, Recipient Address, Message Body and Signature

  2. ((b))

    Recipient Address, CC, BCC and Attachment

  3. ((c))

    Header, Body, Footer and Encryption Key

  4. ((d))

    Username, Password, Message Body and Signature

Show Answer
Answer: ((a))

Subject Line, Recipient Address, Message Body and Signature

59

Automobile A travels a distance in 2 hours at a speed of 42 km/hr. Automobile B travels twice the distance traveled by A in 5 hours. Find the speed (in km/hr) of Automobile B.

  1. ((a))

    31.2

  2. ((b))

    34.2

  3. ((c))

    36.3

  4. ((d))

    33.6

Show Answer
Answer: ((a))

31.2

60

Find the smallest number which when divided by 5, 6 and 7 leaves remainders 4, 5 and 6.

  1. ((a))

    208

  2. ((b))

    207

  3. ((c))

    209

  4. ((d))

    210

Show Answer
Answer: ((a))

208

61

5 men or 9 women can do a piece of work in 9 days. 5 men work for 7 days and then leave. Find the number of women needed to complete the remaining work in 9 days.

  1. ((a))

    4

  2. ((b))

    2

  3. ((c))

    1

  4. ((d))

    5

Show Answer
Answer: ((a))

4

62

Which of the following statements is correct?

  1. ((a))

    The resistance increases as the length of the conductor increases.

  2. ((b))

    The resistance decreases as the length of the conductor increases.

  3. ((c))

    The resistance increases as the thickness of the conductor increases.

  4. ((d))

    The resistance remains unchanged on increasing the length of the conductor.

Show Answer
Answer: ((a))

The resistance increases as the length of the conductor increases.

63

The length of a rectangular sheet is 15.2 cm ± 0.1 cm and the width is 9.11 cm ± 0.1 * cm / 1, then what is the error in estimating the area of ​​the rectangular sheet?

  1. ((a))

    0.3 cm²

  2. ((b))

    13 cm²

  3. ((c))

    5 cm²

  4. ((d))

    2 cm²

Show Answer
Answer: ((a))

0.3 cm²

64

What is the most effective way to avoid mechanical hazards when operating large and dangerous machinery?

  1. ((a))

    Appropriate training and experience

  2. ((b))

    Regular machine maintenance only

  3. ((c))

    Employee-only physical fitness training

  4. ((d))

    Redesigning the machine to eliminate hazards

Show Answer
Answer: ((a))

Appropriate training and experience

65

If the ball is thrown upwards, then the work done by the force of gravity on the ball is:

  1. ((a))

    Negative

  2. ((b))

    Independent of the displacement of the ball

  3. ((c))

    Positive

  4. ((d))

    Zero

Show Answer
Answer: ((a))

Negative

66

Rita invests a certain sum of money at a certain rate of simple interest per annum, and the interest she receives is equal to one-fourth of the invested amount. If the time period of investment (in years) is equal to the rate of interest per annum, then for how many years did Rita invest the money?

  1. ((a))

    4

  2. ((b))

    6

  3. ((c))

    5

  4. ((d))

    7

Show Answer
Answer: ((a))

4

67

Which of the following fundamental quantities are used to express any mechanical quantity?

  1. ((a))

    Length, mass and time

  2. ((b))

     Mass, time and force

  3. ((c))

    Length, time and energy

  4. ((d))

    Length, mass and speed 

Show Answer
Answer: ((a))

Length, mass and time

68

A product with an MRP of ₹1,590 is sold by a wholesaler for ₹835. Find the percentage discount offered (rounded off to the nearest integer).

  1. ((a))

    46%

  2. ((b))

    47%

  3. ((c))

    45%

  4. ((d))

    49%

Show Answer
Answer: ((a))

46%

69

Find the value of 32 - 4 [ 4 + 5 ( 4 - 4 ( 6 - 2 ) + 4 ) - 18 ] ÷ 6.

  1. ((a))

    60

  2. ((b))

    56

  3. ((c))

    68

  4. ((d))

    58

Show Answer
Answer: ((a))

60

70

The value of 60% of 45 is how much more than 4/5 of 25?

  1. ((a))

    1

  2. ((b))

    5

  3. ((c))

    4

  4. ((d))

    7

Show Answer
Answer: ((a))

1

71

What is the first step in providing first aid for a minor burn?

  1. ((a))

    Cover the burned area with a thick cloth

  2. ((b))

    Pour cold water on the burned area

  3. ((c))

    Burst any blisters that form

  4. ((d))

    Apply butter to the burned area

Show Answer
Answer: ((a))

Cover the burned area with a thick cloth

72

The resistivity of a conductor depends on ______.

  1. ((a))

    Cross-sectional area

  2. ((b))

    Matter

  3. ((c))

    Length of conductor

  4. ((d))

    Potential difference across the ends of the conductor

Show Answer
Answer: ((a))

Cross-sectional area

73

Which ICT (Information and Communication Technology) service is commonly used for activities like railway reservation in e-governance?

  1. ((a))

    Online payment gateway

  2. ((b))

    Social media platform

  3. ((c))

    Email Services

  4. ((d))

    Web portal

Show Answer
Answer: ((a))

Online payment gateway

74

Find the energy of a 5 kg object at a height of 8 m above the ground. Let the value of 'g' be 9.8 m s².

  1. ((a))

     392 J

  2. ((b))

    784 J

  3. ((c))

    300 J

  4. ((d))

    400 J

Show Answer
Answer: ((a))

 392 J

75

Three of the following four letter-clusters are alike in a certain way based on the English alphabetical order and hence form a group. Which letter-cluster does not belong to that group? (Note: The odd letter-cluster is not based on the number of consonants/vowels or their position.)

  1. ((a))

    NQIL

  2. ((b))

    BEWZ

  3. ((c))

    RUNP

  4. ((d))

    WZRU

Show Answer
Answer: ((a))

NQIL

76

Which of the following statements is correct?

  1. ((a))

    Laboratory thermometers are used to measure the temperature of the human body.

  2. ((b))

    There is no method to convert temperature from one heat scale to another.

  3. ((c))

    The normal human body temperature is 45°C.

  4. ((d))

    The normal human body temperature is 98.6°F.

Show Answer
Answer: ((a))

Laboratory thermometers are used to measure the temperature of the human body.

77

An 8 Ω resistor generates 200 J of heat per second. Find the potential difference across the resistor.

  1. ((a))

    10 V

  2. ((b))

     30 V

  3. ((c))

    40 V

  4. ((d))

    20 V

Show Answer
Answer: ((a))

10 V

78

Which of the following is commonly used for the treatment of drinking water?

  1. ((a))

    Acid neutralization

  2. ((b))

    Chlorination

  3. ((c))

    Incineration

  4. ((d))

    Oil Filtration

Show Answer
Answer: ((a))

Acid neutralization

79

In the following series, only one letter-cluster is wrong. Choose the wrong letter-cluster.

<br>

INK KPJ MRI OTH QWG SXF

  1. ((a))

    MRI

  2. ((b))

    QWG

  3. ((c))

    SXF

  4. ((d))

    OTH

Show Answer
Answer: ((a))

MRI

80

If '+' and '-' are interchanged and '×' and '÷' are interchanged, then what will come in place of question mark (?) in the following equation?

9 ÷ 5 + 70 × 7 − 11 = ?

  1. ((a))

    46

  2. ((b))

    47

  3. ((c))

    44

  4. ((d))

    45

Show Answer
Answer: ((a))

46

81

Neha swims in a pool that is 50 metres long. She covers 100 metres in 1 minute by swimming from one end of the pool to the other and back along the same straight path. Find her average velocity (in m/s). 

  1. ((a))

    3.2 m/s

  2. ((b))

    1.7 m/s

  3. ((c))

    2.5 m/s 

  4. ((d))

    0 m/s

Show Answer
Answer: ((a))

3.2 m/s

82

Which of the following letter-clusters should be replaced by # and % so that the pattern and relation followed between the letter-cluster pair on the left side of :: sign is the same as the pattern and relation followed between the letter-cluster pair on the right side of :: sign?

: EAG :: IEK : %

  1. ((a))

    = FBH, % = HDI

  2. ((b))

    = FBH, % = HDJ 

  3. ((c))

    = FBG, % = HDJ 

  4. ((d))

    = FBH, % = HEJ 

Show Answer
Answer: ((a))

= FBH, % = HDI

83

Which of the following statements are true regarding electrical safety practices?

  1. It is safe to plug multi-outlet bars into other multi-outlet bars as long as the total load does not exceed the rated capacity of the outlet.
  2. Electrical appliances should not be used near damp surfaces or when your hands are wet, and electrical cords should be protected by not placing them under rugs or mats.
  1. ((a))

    Neither statement 1 nor statement 2 is true.

  2. ((b))

    Only statement 2 is true.

  3. ((c))

    Both statement 1 and statement 2 are true.

  4. ((d))

    Only statement 1 is true.

Show Answer
Answer: ((a))

Neither statement 1 nor statement 2 is true.

84

The resistance of a uniform metallic conductor depends on its:

  1. ((a))

    length only

  2. ((b))

     length, area of cross-section, and nature of its material

  3. ((c))

     melting point only

  4. ((d))

    area of cross-section only

Show Answer
Answer: ((a))

length only

85

The sum of _______ is mechanical energy.

  1. ((a))

    Potential energy and kinetic energy

  2. ((b))

    Electrical energy and light energy

  3. ((c))

    Thermal energy and chemical energy

  4. ((d))

    Chemical energy and electrical energy

Show Answer
Answer: ((a))

Potential energy and kinetic energy

86

Refer to the following letter and symbol series and answer the question that follows.

 Counting to be done from left to right only.

<br>

(Left) ^TJ#LROY#E%SU$KQ&*£B (Right)

<br>

How many such symbols are there each of which is immediately preceded by a letter and also immediately followed by another symbol?

  1. ((a))

    Four

  2. ((b))

    Three

  3. ((c))

    Two

  4. ((d))

    One

Show Answer
Answer: ((a))

Four

87

Select the option that is true regarding the following two statements labelled Assertion (A) and Reason (R).

Assertion (A): It is safe to work under a suspended load if you are in a hurry.

Reason (R): Never exceed the safe working load (SWL) of the equipment you are using.

  1. ((a))

    Both (A) and (R) are true, and (R) is the correct explanation of (A).

  2. ((b))

    Both (A) and (R) are true, but (R) is not the correct explanation of (A).

  3. ((c))

    Assertion (A) is false, but Reason (R) is true

  4. ((d))

    Assertion (A) is true, but Reason (R) is false.

Show Answer
Answer: ((a))

Both (A) and (R) are true, and (R) is the correct explanation of (A).

88

What is a rheostat used for in an electrical circuit?

  1. ((a))

    To change the resistance in a circuit

  2. ((b))

    To measure current only

  3. ((c))

    To measure voltage only

  4. ((d))

    To measure both current and voltage

Show Answer
Answer: ((a))

To change the resistance in a circuit

89

A, B, C, D, E, F, and G are seated around a round table facing the center. Only two people sit between G and C, when counted from the left of C. F sits third to the left of E. B sits to the immediate right of E. B sits second to the left of G. D is an immediate neighbor of F. How many people sit between A and C, when counted from the right of C?

  1. ((a))

    4

  2. ((b))

    2

  3. ((c))

    3

  4. ((d))

    1

Show Answer
Answer: ((a))

4

90

In a certain code language, 'while you wait' is coded as 'ns bg sp' and 'why 1 wait now' is coded as 'kc rw bg'. How will 'wait' be coded in the given language?

  1. ((a))

    ns

  2. ((b))

    kc

  3. ((c))

    bg

  4. ((d))

    sp

Show Answer
Answer: ((a))

ns

91

The dimension of surface tension is ______.

  1. ((a))

    ML2T−2 ML^2T ^{-2}

  2. ((b))

    ML0T−2 ML^0T ^{-2}

  3. ((c))

    MLT−2 MLT ^{-2}

  4. ((d))

    ML0TML^0T

Show Answer
Answer: ((a))

ML2T−2 ML^2T ^{-2}

92

Find the kinetic energy of a body of mass 10 kg moving with a uniform velocity of ​5ms−1​5ms^{-1}.

  1. ((a))

     120 J

  2. ((b))

    125 J

  3. ((c))

    50 J

  4. ((d))

    25 J 

Show Answer
Answer: ((a))

 120 J

93

I, J, K, L, U, V and W each have their exam on a different day of the week, starting from Monday and ending on Sunday of the same week. Only two people have their exam before V. Only one person has an exam after L. Only three people have an exam between V and I. Only one person has an exam between J and K. W has an exam just before J. Who among the following has an exam on Friday?

  1. ((a))

    W

  2. ((b))

    U

  3. ((c))

    I

  4. ((d))

    V

Show Answer
Answer: ((a))

W

94

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

67 106 88 127 109 148?

  1. ((a))

    130

  2. ((b))

    126

  3. ((c))

    117

  4. ((d))

    108

Show Answer
Answer: ((a))

130

95

Which of the following materials serves as a heat insulator?

  1. ((a))

    Aluminium

  2. ((b))

    Silver

  3. ((c))

    Plastic

  4. ((d))

    Copper

Show Answer
Answer: ((a))

Aluminium

96

Which of the following units is used to measure only basic physical quantities?

  1. ((a))

    Derived unit

  2. ((b))

    Basic unit

  3. ((c))

    Neither basic nor derived units

  4. ((d))

    Both basic and derived units

Show Answer
Answer: ((a))

Derived unit

97

Which of the following terms describes the process of the gradual increase in the average temperature of the Earth's atmosphere, due to the greenhouse effect caused by increased levels of carbon dioxide, CFCs and other pollutants?

  1. ((a))

    Acid rain

  2. ((b))

    Global warming

  3. ((c))

    Ozone depletion 

  4. ((d))

    Deforestation

Show Answer
Answer: ((a))

Acid rain

98

Two sets of numbers are given below. In each set, performing certain mathematical operations on the first number gives the second number. Similarly, by performing certain mathematical operations on the second number, the third number is obtained and so on. Which of the given options follows the same set of operations as the given sets?

(Note: Operations must be performed on whole numbers, without breaking the number into its component digits. Take 13 for example. Operations such as addition/subtraction/multiplication by 13 can be performed on 13. Breaking 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.)

68-136-121-363;

29-58-43-129

  1. ((a))

    35 – 70 – 55 – 165

  2. ((b))

    42 – 84 – 74 – 222

  3. ((c))

    13 – 26 – 46 – 138

  4. ((d))

    73 – 146 – 114 – 228

Show Answer
Answer: ((a))

35 – 70 – 55 – 165

99

The measures of two supplementary angles are in the ratio 3 : 7. Find the measure of the greater of the two angles. 

  1. ((a))

    180° 

  2. ((b))

    54°

  3. ((c))

    144°

  4. ((d))

    126°

Show Answer
Answer: ((a))

180° 

100

The sum of the ages of a grandfather, his son, and his grandson is 128 years. The grandfather is twice as old as his son, and the son is five times his grandson. Find the grandson's age (in years).

  1. ((a))

    9

  2. ((b))

    8

  3. ((c))

    6

  4. ((d))

    7

Show Answer
Answer: ((a))

9

Part B (75 questions)

101

In India, when was the Hazardous Waste (Management and Handling) Rules implemented to regulate the disposal and processing of hazardous waste?

  1. ((a))

    1987

  2. ((b))

    2000

  3. ((c))

    1989

  4. ((d))

    1982

Show Answer
Answer: ((a))

1987

102

A triple-riveted butt joint with two cover-straps is used for the ___________.

  1. ((a))

    circumferential joint

  2. ((b))

    radial joint

  3. ((c))

    angle joint

  4. ((d))

    longitudinal joint

Show Answer
Answer: ((a))

circumferential joint

103

In screw gauge, the term 'lead of a screw' is defined by the:

  1. ((a))

     material the screw is made of

  2. ((b))

    number of threads on the screw

  3. ((c))

     diameter of the screw

  4. ((d))

    distance the screw moves axially with one complete turn

Show Answer
Answer: ((a))

 material the screw is made of

104

Which of the following factors influences the self-dressing ability of a honing stone?

  1. ((a))

    Abrasive grain size and hardness 

  2. ((b))

    Workpiece surface roughness 

  3. ((c))

    Depth of cut per stroke 

  4. ((d))

    Honing tool reciprocating speed 

Show Answer
Answer: ((a))

Abrasive grain size and hardness 

105

Which feature of a pipe wrench allows it to grip a round pipe securely? 

  1. ((a))

    Serrated jaws with adjustable hook

  2. ((b))

    A built-in ratchet mechanism 

  3. ((c))

    Smooth jaws 

  4. ((d))

    Fixed jaws with a rubber grip 

Show Answer
Answer: ((a))

Serrated jaws with adjustable hook

106

Which of the following parts of a hammer-head is used for shaping and forming work like riveting and bending?

  1. ((a))

    Face

  2. ((b))

    Pein

  3. ((c))

    Eyehole

  4. ((d))

    Cheek

Show Answer
Answer: ((a))

Face

107

What is the main reason copper turns green over time?

  1. ((a))

    Hydrogen embrittlement

  2. ((b))

    Absorption of nitrogen from the air 

  3. ((c))

    Reaction with UV light

  4. ((d))

    Formation of an oxide layer

Show Answer
Answer: ((a))

Hydrogen embrittlement

108

What is the primary advantage of rutile electrodes in welding?

  1. ((a))

    They are suitable for welding high-carbon steels.

  2. ((b))

    They provide good weld shape and easy slag removal. 

  3. ((c))

    They produce deep penetration for high-strength welding

  4. ((d))

    They generate minimal heat during the welding process. 

Show Answer
Answer: ((a))

They are suitable for welding high-carbon steels.

109

An appliance operates at 240 V and consumes 480 W of electrical power. What is the current flowing through the appliance?

  1. ((a))

    2 A

  2. ((b))

    1.5 A 

  3. ((c))

    1 A

  4. ((d))

    2.5 A

Show Answer
Answer: ((a))

2 A

110

Which of the following is NOT a correct practice when using a telescopic gauge? 

  1. ((a))

     Measuring at multiple points for accuracy

  2. ((b))

    Using a micrometer to measure the gauge’s expanded size

  3. ((c))

    Measuring a rough or dirty bore without cleaning it

  4. ((d))

    Locking the gauge before removing it from the bore

Show Answer
Answer: ((a))

 Measuring at multiple points for accuracy

111

The property of ________ is important, while repairing a machine, if a broken part is to be replaced, we need a new part. Only if the new part is made of accurately similar measurement, it can be fitted, otherwise not. 

  1. ((a))

    allowance

  2. ((b))

    tolerance

  3. ((c))

    interchangeability

  4. ((d))

    interference

Show Answer
Answer: ((a))

allowance

112

If the linear expansion coefficient of a material is 2×10−5∘C−12 \times 10^{-5}{}^\circ C^{-1} what does it mean?

  1. ((a))

    When the temperature increases by 1∘C1^\circ C , the material always increases by 2×10−52 \times 10^{-5}

  2. ((b))

    Per degree Celsius, the material expands in volume by 2×10−52 \times 10^{-5} times its original volume.

  3. ((c))

    Per degree Celsius, the material expands in length by 2×10−52 \times 10^{-5} times its original length.

  4. ((d))

    Per degree Celsius, the material expands in area by 2×10−52 \times 10^{-5} times its original area.

Show Answer
Answer: ((a))

When the temperature increases by 1∘C1^\circ C , the material always increases by 2×10−52 \times 10^{-5}

113

In industrial color coding, what does the red color usually indicate?

  1. ((a))

    Neutral area

  2. ((b))

    Safety equipment or emergency stop

  3. ((c))

    Electrical grounding

  4. ((d))

    Low-pressure pipes

Show Answer
Answer: ((a))

Neutral area

114

Which of the following belts is acid proof and water proof and is NOT affected by animal oils or alkalies? 

  1. ((a))

    Balata belts

  2. ((b))

    Rubber belts

  3. ((c))

    Cotton or fabric belts

  4. ((d))

     Leather belts

Show Answer
Answer: ((a))

Balata belts

115

In which maintenance strategy is section inspection considered an important component?

  1. ((a))

    Run-to-failure maintenance

  2. ((b))

    Predictive maintenance - PdM

  3. ((c))

    Preventive maintenance - PM

  4. ((d))

    Corrective maintenance

Show Answer
Answer: ((a))

Run-to-failure maintenance

116

In resistance soldering, how is heat generated?

  1. ((a))

    By ultrasonic waves

  2. ((b))

    By resistance to electrical current

  3. ((c))

    By an electric arc

  4. ((d))

    By direct flame

Show Answer
Answer: ((a))

By ultrasonic waves

117

A body of mass 500 g is at rest. What force (approx.) is required to push it so that its final velocity becomes 20 m/s after covering a distance of 20 m? Assume there is no friction and take g = 10 m/s².

  1. ((a))

    5 J

  2. ((b))

     10 J

  3. ((c))

     10 N

  4. ((d))

    5 N

Show Answer
Answer: ((a))

5 J

118

What is the chemical effect that occurs inside a lead acid battery during the charging process?

  1. ((a))

    Water decomposes into hydrogen and oxygen.

  2. ((b))

    Lead sulfate decomposes into lead and sulfuric acid.

  3. ((c))

    Sulfuric acid decomposes into hydrogen and sulfate ions.

  4. ((d))

    Lead reacts with acid and forms lead sulfate.

Show Answer
Answer: ((a))

Water decomposes into hydrogen and oxygen.

119

How is the principle of hydraulic systems used in amusement parks?

  1. ((a))

    By cooling mechanical components

  2. ((b))

    By controlling air brakes in a swing ride

  3. ((c))

    By lowering riders in drop towers and air-driven rides

  4. ((d))

    By providing power to hydraulic roller coasters

Show Answer
Answer: ((a))

By cooling mechanical components

120

Key way on a shaft is made with a _______ chisel

  1. ((a))

     cross cut

  2. ((b))

     round nose

  3. ((c))

    flat

  4. ((d))

     side cut

Show Answer
Answer: ((a))

 cross cut

121

In engineering drawing (lettering and numbering), a single stroke means that the _______________. 

  1. ((a))

    thickness of the line of the letter or number is obtained in two strokes of the pencil

  2. ((b))

    thickness of the line of the letter or number is obtained in one stroke of the pencil

  3. ((c))

    thickness of the line of the letter or number is obtained in no strokes of the pencil

  4. ((d))

    thickness of the line of the letter or number is obtained in three strokes of the pencil 

Show Answer
Answer: ((a))

thickness of the line of the letter or number is obtained in two strokes of the pencil

122

What is the coating factor range for medium-coated electrodes?

  1. ((a))

    1.6 to 2.2

  2. ((b))

    1.1 to 1.2 

  3. ((c))

    1.25 to 1.3

  4. ((d))

    1.4 to 1.5 

Show Answer
Answer: ((a))

1.6 to 2.2

123

Which of the following is a fundamental unit? 

  1. ((a))

    metre

  2. ((b))

    newton

  3. ((c))

    pascal

  4. ((d))

    watt

Show Answer
Answer: ((a))

metre

124

In the limit system, the distinction between allowance and deviation is: 

  1. ((a))

    allowance is used for single parts, while deviation is used for assemblies

  2. ((b))

    allowance is the difference between the maximum material limits of the mating parts, while deviation is the difference between a size and the corresponding basic size 

  3. ((c))

     allowance is always positive, while deviation can be positive or negative

  4. ((d))

     allowance is the difference between a size and the corresponding basic size, while deviation is the difference between the maximum material limits of the mating parts

Show Answer
Answer: ((a))

allowance is used for single parts, while deviation is used for assemblies

125

Why should the blade of a bevel gauge be wiped clean after use? 

  1. ((a))

    To make it look new in appearance

  2. ((b))

    To prevent rust and maintain accuracy

  3. ((c))

    To make it a multipurpose tool/gauge

  4. ((d))

    To ensure it remains flexible to use

Show Answer
Answer: ((a))

To make it look new in appearance

126

What is the blade length of the T1 'T' square, as per IS:1360-1989? 

  1. ((a))

     1000 mm

  2. ((b))

    500 mm

  3. ((c))

    1500 mm

  4. ((d))

    700 mm

Show Answer
Answer: ((a))

 1000 mm

127

The principle behind the vernier scale in a vernier caliper is:

  1. ((a))

    dividing a known length into a certain number of equal divisions

  2. ((b))

    adding the main scale and auxiliary scale readings

  3. ((c))

    subtracting the vernier scale reading from the main scale reading

  4. ((d))

    multiplying the main scale reading

Show Answer
Answer: ((a))

dividing a known length into a certain number of equal divisions

128

Which of the following is the key difference between a fuse and a circuit breaker?

  1. ((a))

    A fuse is used for high-voltage circuits, while a circuit breaker is used for low-voltage circuits. 

  2. ((b))

    A fuse is a one-time-use device, while a circuit breaker can be reset and reused.

  3. ((c))

    A fuse can be reset after tripping, while a circuit breaker must be replaced. 

  4. ((d))

    A fuse is a mechanical device, while a circuit breaker is an electronic device.

Show Answer
Answer: ((a))

A fuse is used for high-voltage circuits, while a circuit breaker is used for low-voltage circuits. 

129

Which of the following statements is correct about a protractor?

Statements:

  1. A protractor can be used to measure angles from both sides.
  2. A protractor is typically made of a rigid metal material.
  1. ((a))

    Both statements are true

  2. ((b))

     Neither statement is true

  3. ((c))

    Only statement 1 is true

  4. ((d))

    Only statement 2 is true 

Show Answer
Answer: ((a))

Both statements are true

130

If the efficiency of a machine is 80%, what does it mean?

  1. ((a))

    The machine gives more output than the input.

  2. ((b))

    There is no loss of input energy in the machine.

  3. ((c))

    Both the velocity ratio and the mechanical advantage of the machine are equal to 80.

  4. ((d))

    There is a 20% loss of input energy in the machine.

Show Answer
Answer: ((a))

The machine gives more output than the input.

131

When the size of a shaft is less and the size of the hole is more, the difference between the two is called _______.

  1. ((a))

    interference

  2. ((b))

    clearance

  3. ((c))

    tolerance

  4. ((d))

    deviation

Show Answer
Answer: ((a))

interference

132

When the size of the hole or female part of a job is more than shaft or male part, the difference between the two will be known as ____________.

  1. ((a))

    negative allowance

  2. ((b))

    positive allowance

  3. ((c))

    neither positive nor negative allowance

  4. ((d))

    either positive or negative allowance

Show Answer
Answer: ((a))

negative allowance

133

Match the correct length and width of the trimmed sizes of sheets.

DesignationTrimmed size
A. AOP. 297 x 420
B. AlQ. 420 x 594
C.A2R. 594 x 841
D. A3S. 841 x 1189
  1. ((a))

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

  2. ((b))

    A - S, B - R, C - P, D - Q 

  3. ((c))

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

  4. ((d))

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

Show Answer
Answer: ((a))

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

134

Which of the following statements correctly describes the placement and purpose of orientation marks on a drawing sheet?

  1. Orientation marks are placed at two opposite corners of the drawing sheet to indicate the correct orientation on the drawing board.
  2. Orientation marks consist of arrow heads placed across the frame, with one at the shorter side and one at the longer side, coinciding with the centering marks.
  3. One of the orientation marks always points towards the draughtsman, indicating the direction in which the drawing sheet should be placed.
  4. Orientation marks are used to mark the midpoint of each side of the drawing sheet for accurate centering.
  1. ((a))

    1 and 4 only

  2. ((b))

    1, 2, and 4 only

  3. ((c))

    1, 2, and 3 only 

  4. ((d))

     2 and 3 only

Show Answer
Answer: ((a))

1 and 4 only

135

Identify the correct combination of a rivet parts. 

  1. ((a))

    Anvil, stock, top fuller

  2. ((b))

    Bottom fuller, shank, horn

  3. ((c))

    Hardie hole, chipping block, pritchel hole

  4. ((d))

    Head, cylindrical body of shank, a slightly tapered tail

Show Answer
Answer: ((a))

Anvil, stock, top fuller

136

A ______ chisel is used for making an oil groove in a bearing and for cutting slits at corners.

  1. ((a))

    flat

  2. ((b))

    round nose

  3. ((c))

    side cut 

  4. ((d))

    cross cut 

Show Answer
Answer: ((a))

flat

137

Identify the type of thread shown below.

  1. ((a))

    Acme thread

  2. ((b))

    Knuckle thread

  3. ((c))

    V-thread

  4. ((d))

    Square thread

Show Answer
Answer: ((a))

Acme thread

138

In multiple start threads, which of the following correctly represents the relationship between lead and pitch?

  1. ((a))

    Lead equals the pitch.

  2. ((b))

    Lead is greater than the pitch.

  3. ((c))

    There is no relationship between them.

  4. ((d))

    Lead is less than the pitch.

Show Answer
Answer: ((a))

Lead equals the pitch.

139

Tapping is the operation of ________________.

  1. ((a))

    cutting internal threads in a hole

  2. ((b))

     sizing and improving the geometry and finish of a previously drilled hole

  3. ((c))

     machining flat surfaces on work pieces

  4. ((d))

    providing tapered entrance to the hole 

Show Answer
Answer: ((a))

cutting internal threads in a hole

140

What is the primary principle behind the generation of electrical energy in a piezoelectric device?

  1. ((a))

    Conversion of chemical energy into electrical energy

  2. ((b))

    Conversion of mechanical stress into electrical energy

  3. ((c))

    Conversion of thermal energy into electrical energy

  4. ((d))

     Conversion of light energy into electrical energy

Show Answer
Answer: ((a))

Conversion of chemical energy into electrical energy

141

What is the effect of the heat treatment process 'annealing' on steel?

  1. ((a))

    Softens the material and increases toughness

  2. ((b))

     Produces martensite

  3. ((c))

    Reduces ductility

  4. ((d))

     Increases hardness and strength

Show Answer
Answer: ((a))

Softens the material and increases toughness

142

Which of the following statements is/are correct?

Statement I - The annealing process uses heat to reduce the hardness and increase the ductility and toughness of various steels, cast iron, and alloys.

Statement II - Quenching is a rapid cooling process that alters specific properties of materials by manipulating the cooling rate.

  1. ((a))

    Statement (I) and (II) both are incorrect

  2. ((b))

    Statement (I) is correct but Statement (II) is incorrect. 

  3. ((c))

    Statement (I) and (II) both are correct. 

  4. ((d))

    Statement (I) is incorrect but Statement (II) is correct. 

Show Answer
Answer: ((a))

Statement (I) and (II) both are incorrect

143

In engineering drawing, what is defined as the path of a moving point with no thickness?

  1. ((a))

    Line

  2. ((b))

    Angle

  3. ((c))

    Curve

  4. ((d))

    Point

Show Answer
Answer: ((a))

Line

144

Which of the following microstructural changes occurs during the tempering of martensite?

  1. ((a))

    Ferrite transforms into pearlite.

  2. ((b))

    Martensite transforms into pearlite.

  3. ((c))

    Martensite decomposes into ferrite and cementite.

  4. ((d))

    Austenite transforms into martensite.

Show Answer
Answer: ((a))

Ferrite transforms into pearlite.

145

Identify the type of brazed joint shown below.

  1. ((a))

    Simple Lap

  2. ((b))

    Butted Flange

  3. ((c))

    Strapped Lap

  4. ((d))

    Joggle Lap

Show Answer
Answer: ((a))

Simple Lap

146

Which tool can be used along with a radius gauge to check curvature of a workpiece for better accuracy?

  1. ((a))

     Surface plate

  2. ((b))

    Bevel protractor

  3. ((c))

    Feeler gauge 

  4. ((d))

    Micrometer

Show Answer
Answer: ((a))

 Surface plate

147

Which punch mark among the following is used for precise positioning and safety of the dividing point?

  1. ((a))

    Center punch mark of 30°

  2. ((b))

    Center punch mark of 60°

  3. ((c))

    Prick punch mark of 30°

  4. ((d))

    Prick punch mark of 120°

Show Answer
Answer: ((a))

Center punch mark of 30°

148

Which of the following is an example of a p-type semiconductor?

  1. ((a))

     Silicon doped with phosphorus 

  2. ((b))

    Silicon doped with boron

  3. ((c))

    Germanium doped with phosphorus 

  4. ((d))

    Silicon doped with arsenic 

Show Answer
Answer: ((a))

 Silicon doped with phosphorus 

149

What does an optical pyrometer measure?

  1. ((a))

    Pressure of gases

  2. ((b))

    Volume of liquids

  3. ((c))

    Temperature of a surface

  4. ((d))

    Relative density of liquids

Show Answer
Answer: ((a))

Pressure of gases

150

Which of the following frosting techniques is best suited for large industrial components?

  1. ((a))

    File finishing

  2. ((b))

    Hand scraping

  3. ((c))

    Sandblasting

  4. ((d))

    Electrochemical frosting

Show Answer
Answer: ((a))

File finishing

151

Which control valve is commonly used to control pressure in multiple actuators operating in sequence?

  1. ((a))

    Pressure reducing valve

  2. ((b))

    Check valve 

  3. ((c))

    Pressure sequence valve 

  4. ((d))

    Pressure relief valve

Show Answer
Answer: ((a))

Pressure reducing valve

152

The included angle of the tip of a standard lathe centre is _____.

  1. ((a))

     90°

  2. ((b))

    60°

  3. ((c))

    30° 

  4. ((d))

    45°

Show Answer
Answer: ((a))

 90°

153

Which of the following statements related to the use of wire gauge is incorrect?

  1. ((a))

    It measures the diameter of a wire.

  2. ((b))

    The use of an incorrect wire gauge may damage devices and electronic circuits.

  3. ((c))

    It does not help in determining the current-carrying capacity of a wire.

  4. ((d))

    It is used in electrical installations, wiring, and other applications.

Show Answer
Answer: ((a))

It measures the diameter of a wire.

154

Which of the following types of wooden mallets are used for general purpose work such as flattening and bending? 

  1. ((a))

    Side-faked mallets 

  2. ((b))

    Standard wooden mallets 

  3. ((c))

    Bossing mallets 

  4. ((d))

     End-faked malles

Show Answer
Answer: ((a))

Side-faked mallets 

155

Which of the following is the Outer operation of the lathe?

  1. ((a))

    Tapping

  2. ((b))

    Facing

  3. ((c))

    Drilling

  4. ((d))

    Boring

Show Answer
Answer: ((a))

Tapping

156

Which of the following is a key advantage of using Thyristors in power control applications?

  1. ((a))

    Small size and low cost

  2. ((b))

    Low voltage handling capabilities

  3. ((c))

    High frequency switching

  4. ((d))

    High efficiency and low power loss

Show Answer
Answer: ((a))

Small size and low cost

157

Which of the following is an advantage of chain drives over belt drives? 

  1. ((a))

    The chain drive needs accurate mounting and careful maintenance, particularly lubrication and slack adjustment.

  2. ((b))

    It gives a high transmission efficiency. 

  3. ((c))

    The chain drive has velocity fluctuations especially when unduly stretched.

  4. ((d))

    The production cost of chains is relatively high.

Show Answer
Answer: ((a))

The chain drive needs accurate mounting and careful maintenance, particularly lubrication and slack adjustment.

158

Which type of cooling method is used in the annealing process?

  1. ((a))

    Air cooling 

  2. ((b))

    Furnace cooling 

  3. ((c))

    Water quenching 

  4. ((d))

    Oil quenching

Show Answer
Answer: ((a))

Air cooling 

159

Which of the following non-metals is naturally black? 

  1. ((a))

    Alumina

  2. ((b))

    Silicon

  3. ((c))

    Quartz

  4. ((d))

    Graphite

Show Answer
Answer: ((a))

Alumina

160

___________ is a metal removal process that employs an abrasive grinding wheel (GW) whose cutting elements are grains of abrasive materials of high hardness and high refractoriness.

  1. ((a))

    Boring

  2. ((b))

    Taper turning

  3. ((c))

    Step turning

  4. ((d))

    Grinding

Show Answer
Answer: ((a))

Boring

161

What is the purpose of using a wiper die in rotary draw bending?

  1. ((a))

    To cut the pipe after bending

  2. ((b))

    To reduce wrinkling on the inner surface of the bend

  3. ((c))

    To apply heat for easy bending

  4. ((d))

    To measure the bending angle

Show Answer
Answer: ((a))

To cut the pipe after bending

162

What does a green sign with a white cross indicate in a maintenance environment? 

  1. ((a))

    Prohibited area

  2. ((b))

    Flammable materials storage

  3. ((c))

    First aid station

  4. ((d))

    High voltage zone 

Show Answer
Answer: ((a))

Prohibited area

163

Which of the following shafts is an example of a machine shaft? 

  1. ((a))

    Line shaft

  2. ((b))

    Overhead shaft

  3. ((c))

    Counter shaft 

  4. ((d))

    Crank shaft 

Show Answer
Answer: ((a))

Line shaft

164

Why is it important to follow proper disposal procedures for industrial waste? 

  1. ((a))

    To save time and effort in sorting waste

  2. ((b))

    To reduce the number of trash bins needed

  3. ((c))

    To comply with environmental regulations and reduce pollution

  4. ((d))

    To allow waste to decompose anywhere

Show Answer
Answer: ((a))

To save time and effort in sorting waste

165

The 'merit number' in toughness measurement is used for: 

  1. ((a))

    comparing different materials

  2. ((b))

    determining a material’s density

  3. ((c))

    measuring a material’s elasticity

  4. ((d))

    finding the modulus of rigidity

Show Answer
Answer: ((a))

comparing different materials

166

What type of abrasive is typically used for honing a hard material like ceramic? 

  1. ((a))

    Diamond

  2. ((b))

    Copper tool

  3. ((c))

    Steel wool

  4. ((d))

    Sandpaper

Show Answer
Answer: ((a))

Diamond

167

What is waste? 

  1. ((a))

    Valuable substances for agriculture

  2. ((b))

    Useful materials for industries

  3. ((c))

    Natural resources for living organisms

  4. ((d))

    Unwanted or unusable materials

Show Answer
Answer: ((a))

Valuable substances for agriculture

168

The digital interface of an electronic digital caliper improves the reliability of measurement records by:

  1. ((a))

    providing secured storage for a series of readings 

  2. ((b))

    eliminating the need for manual data entry 

  3. ((c))

    allowing direct connection to a statistical control system

  4. ((d))

    enabling the instrument to be used as a limit gauge 

Show Answer
Answer: ((a))

providing secured storage for a series of readings 

169

________ are used to hold previously drilled or bored holes for outer surface machining. 

  1. ((a))

    Carriages

  2. ((b))

     Lathe carriers

  3. ((c))

    Rests

  4. ((d))

     Lathe mandrels

Show Answer
Answer: ((a))

Carriages

170

Which of the following types of wooden mallets are used for hollowing panel beatings? 

  1. ((a))

    End-faked mallets

  2. ((b))

    Side-faked mallets 

  3. ((c))

    Standard wooden mallets 

  4. ((d))

    Bossing mallets 

Show Answer
Answer: ((a))

End-faked mallets

171

Which of the following punches is used to make deeper witness marks on scribed lines and make it easier for the drill to start correctly? 

  1. ((a))

    Solid punch

  2. ((b))

    Prick punch

  3. ((c))

    Pin punch

  4. ((d))

    Centre punch

Show Answer
Answer: ((a))

Solid punch

172

Pencils are rated in engineering drawings based on the _________________. 

  1. ((a))

    durability of the lead

  2. ((b))

    colour of the lead

  3. ((c))

    hardness or softness of the lead

  4. ((d))

    shape of the lead

Show Answer
Answer: ((a))

durability of the lead

173

What does the surface finish symbol shown in the given figure represent?

  1. ((a))

    Material removal is strictly prohibited

  2. ((b))

    The surface must be left without machining

  3. ((c))

    The surface requires a specific finishing process

  4. ((d))

    A general machining indication without roughness details

Show Answer
Answer: ((a))

Material removal is strictly prohibited

174

When drawing a curved line of a specific length in an engineering drawing, which tool is most appropriate for ensuring accuracy?

  1. ((a))

    Protractor

  2. ((b))

    Compass

  3. ((c))

    Straightedge

  4. ((d))

    French Curve

Show Answer
Answer: ((a))

Protractor

175

Which type of rotary actuator provides limited angular movement instead of continuous rotation? 

  1. ((a))

    Rack and pinion rotary actuator

  2. ((b))

    Hydraulic motor

  3. ((c))

    Vane motor

  4. ((d))

    Pneumatic actuator

Show Answer
Answer: ((a))

Rack and pinion rotary actuator

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