The resistivity of a conductor depends on which of the following factors?
- ((a))
Area of the conductor
- ((b))
Mass of the conductor
- ((c))
Nature of the conductor
- ((d))
Diameter of conductor
Show Answer
Area of the conductor
175 questions · 150 minutes · with answers · free
The resistivity of a conductor depends on which of the following factors?
Area of the conductor
Mass of the conductor
Nature of the conductor
Diameter of conductor
Area of the conductor
Which of the following statements is correct regarding negative work done?
The work done cannot be negative.
When the force is perpendicular to the displacement, the work done is negative.
When the force acts opposite to the direction of displacement, the work done is negative.
When the force and displacement are in the same direction, the work done is negative.
The work done cannot be negative.
In areas with hot climate, white colour of the exterior walls of the house is preferred because
White color keeps the interior environment of the house cool by reflecting sunlight.
White color makes the wall more durable.
White color makes the house brighter by absorbing more sunlight.
The white color looks good.
White color keeps the interior environment of the house cool by reflecting sunlight.
The sum of Yash's and his father's ages is 90 years. When Yash's age equals his father's present age, he will be five times his son Suraj's present age. When Yash's age equals his father's present age, Suraj's age will be 12 years more than Yash's present age. Find Suraj's present age.
15 years
18 years
12 years
16 years
15 years
What should come in place of question mark (?) in the given alphanumeric series?
G5, I10, L15, N20, Q25, S30, ?
W35
V35
V40
U35
W35
Which of the following is a supplementary protocol that allows non-ASCII data to be sent via e-mail?
HTTPS
Multipurpose Internet Mail Extensions (MIME)
DNS
Mailing Lists
HTTPS
Which of the following options best describes the primary function of digital signatures in electronic communications?
It automatically stores all electronic documents for future reference.
It encrypts the entire message content to ensure confidentiality.
It verifies the identity of the sender and ensures the integrity of the message.
This allows the recipient to edit the document before adding the signature.
It automatically stores all electronic documents for future reference.
The areas of three adjacent faces of a solid cuboid are 216 cm², 114 cm² and 19 cm². Find the volume (in cm³) of the cuboid.
684
955
532
880
684
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 follows from the statements.
Statements:
Some bananas are litchis.
All litchis are kiwis.
Some kiwis are strawberries.
Conclusions:
Only conclusion 1 follows
Only conclusion 2 follows
Neither conclusion 1 nor 2 follows
Both conclusions 1 and 2 follow
Only conclusion 1 follows
Which of the following ecosystems has very low temperatures and frozen soil?
Desert
Tropical rainforest
Pasture
Tundra
Desert
If A is an acute angle and p tan A = n sec A, then find the value of .
cot A .cos A
sin A .cos A
None of the above.
cot A .cos A
A fruit vendor initially had a few apples. He sold 40% of them and still had 300 apples left. How many apples did he initially have?
750
450
600
500
750
Megha bought a bag for ₹1,271 after getting an 18% discount on the marked price. Find the marked price of the bag.
1,450
1,650
1,550
1,350
1,450
Which of the following methods is the safest method for disposal of toxic dust?
Leaving it in the air for dilution.
Sweeping it in open areas.
Using special hazardous waste disposal containers.
Putting it in regular trash cans.
Leaving it in the air for dilution.
Vijay cycles 10 meters from home to tuition, then 5 meters to the shop. He returns home in the same way, covering the same distance. Find the total length of the path.
20 m
15 m
Zero
30 m
20 m
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. D lives on an odd-numbered floor, but not 3. The sum of the floors on which D and E live is 7. A lives on the floor immediately below C. F lives on the topmost floor. How many people live between E and F?
4
1
3
2
4
Which of the following noise levels is considered potentially harmful to human health when experienced over a long period of time?
70 dB
90 dB
30 dB
50 dB
70 dB
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 letter-cluster pair is not based on the number of consonants/vowels or their position.)
GN-PV
JQ-SY
HO-QW
AH-JR
GN-PV
Which of the following relations is not correct?
Electric power = (current)2 × resistance
Electric power = voltage × current
Electric power = voltage/current
Electric power = (voltage)2 / resistance
Electric power = (current)2 × resistance
In the following triplet, each group of letters is related to the next group following a certain logic. Select the option from the given ones that follows the same logic.
TERM-ERTM-TMRE
WHEN-HWEN-WENH
ZERO-EZRO-ZREO
VICE-ICVE-VECI
USER-RESU-REUS
WHEN-HWEN-WENH
Which of the following options does not correctly represent the electric power P in a circuit (current, potential difference and resistance are symbolically written as I, V and R respectively.)
In a certain code language, 'BARE' is coded as '8264' and 'RIDS' is coded as '3587'. What is the code for 'R' in the given code language?
3
8
6
5
3
Kinetic energy and potential energy together are called which form of energy?
Mechanical
Chemical
Ionic
Nuclear
Mechanical
If a circuit contains resistors of 10 Ω, 20 Ω and 60 Ω are connected in parallel, then find the total resistance of the circuit.
90 Ω.
60 Ω
6 Ω
20 Ω
90 Ω.
What term is used to describe organisms in an ecosystem that produce their own food?
Consumer
Decomposer
Vegetarian
Producer
Consumer
What should come in place of question mark (?) in the given series?
185 174 163 152 ? 130
144
142
143
141
144
What is the primary source of energy for most ecosystems?
Soil
Wind
Sunlight
Water
Soil
Potential energy falls under which of the following categories of energy?
Thermal energy
Light energy
Chemical energy
Mechanical energy
Thermal energy
Two resistors of resistance 20 Ω and 30 Ω are connected in series in a circuit. If the supplied voltage is 250 V, find the current transmitted through the circuit.
8 A
12 A
5 A
20 A
8 A
Study the given bar graph and answer the question below.
The given bar graph shows the number of flats sold by a builder in five different cities in the year 2020.

The number of flats sold in Delhi is what percent more than the number of flats sold in Mumbai?
75%
125%
120%
150%
75%
Which of the following instruments is used to measure temperature?
Hygrometer
Voltmeter
Thermometer
Odometer
Hygrometer
Use of energy efficient machinery in industrial settings mainly helps in ____________.
increase energy consumption and consequently the cost of the product
reducing industrial energy requirements and improve the competitiveness of products
reducing operational efficiency
extending the life of old equipment
increase energy consumption and consequently the cost of the product
A dozen pairs of jeans costing ₹3,520 are available at a discount of 35%. How many pairs of jeans can be purchased for ₹572?
2
5
1
3
2
Refer to the following letter and symbol series and answer the question that follows. Counting is to be done from left to right only.
(Left) L R Ω Y A $ K ^ T J # Q & # E % S U * £ B (Right)
How many such symbols are there, each of which is immediately preceded by a vowel and also immediately followed by a letter?
Two
One
Four
Three
Two
In the SI system, which of the following options best describes the fundamental quantities?
Distance, Speed, Acceleration
Temperature, pressure, volume
Force, power, energy
Length, mass, time
Distance, Speed, Acceleration
An ammeter has 20 divisions between 0 and 2 A. The least count of an ammeter is _______________.
0.2 A
0.1 A
1 A
2 A
0.2 A
If 'A' denotes '÷', 'B' denotes 'x', 'C' denotes '+' and 'D' denotes '-', then what will come in place of question mark (?) in the following equation?
38 C 32 A 4 D 5 B 7=?
10
8
11
9
10
If and x + y = 4, then find the value of xy.
4
2
3
0
4
What is the average human body temperature?
40°C
32°C
42°C
37°C
40°C
Which of the following statements is true?
In the kitchen, aluminium utensils are used because aluminium is a good conductor of heat.
Both insulators and conductors allow heat to pass through them easily.
Plastic is a good conductor of heat.
Wood is a good conductor of heat.
In the kitchen, aluminium utensils are used because aluminium is a good conductor of heat.
Refer to the following letter and symbol series and answer the question that follows. Counting is to be done from left to right only.
(Left) ^ T J # * £ B L R Ω Y # E % S U $ K Q & (Right)
How many such letters are there, each of which is immediately preceded by a letter and also immediately followed by a symbol?
One
Two
Three
Four
One
According to the SI system of units, how many fundamental units are used to measure physical quantities?
5
10
7
4
5
Eight people are sitting in two parallel rows containing 4 people in each row, in such a way that there is an equal distance between adjacent persons. Row 1 contains A, B, C and D, all of whom are facing south. Row 2 contains P, Q, R and S, all of whom are facing north. Thus, each person faces another person in the other row. Only two people sit between P and Q. A faces the person sitting to the immediate left of P. R sits to the immediate left of S. D sits to the immediate right of C. Who among the following faces P?
D
C
B
A
D
Which of the following sequences of components primarily serves to execute instructions, store permanent firmware, temporarily store data during program execution, and provide a platform for interconnecting hardware components on a computer motherboard?
RAM-ROM - CPU - PCB
PCB-ROM-CPU-RAM
CPU-RAM-ROM-PCB
CPU-ROM-RAM- PCB
RAM-ROM - CPU - PCB
The area of a regular polygon with side 12 cm is 144 cm². If the perpendicular distance from the center to the side of the polygon is 6 cm, find the number of sides of the polygon.
5
7
6
4
5
A man purchased two varieties of pens at the rates of ₹8 for 9 pens and ₹8 per pen. If he purchased an equal number of pens of each of the two varieties and then sold all his pens at ₹6 per pen, what was his profit percentage?
33%
32%
45%
35%
33%
Match the columns:
| Engineering Applications | Types of Engineering Drawings |
|---|---|
| A) Plans, facade elevations, and foundation drawings of houses to be constructed. | P) Mechanical Engineering Drawings |
| B) Circuit Diagrams and Electrical Installation Drawings. | Q) Electronics Engineering Drawings |
| C) PCB Track Drawings. | R) Electrical Engineering Drawings |
| D) Riveted Joints and Welded Joints. | S) Civil Engineering Drawings |
A-P: B-R; C-Q; D-S
A-S; B-P; C-Q; D-R
A-S; B-R; C-Q; D-P
A-S; B-R; C-P; D-Q
A-P: B-R; C-Q; D-S
6 men or 5 women can complete a task in 7 days. 6 men work for 5 days and then leave. Find the number of women needed to complete the remaining task in 5 days.
4
2
1
3
4
Which of the following statements are correct regarding the use of a fire extinguisher?
Statement 1: It is safe to attempt to extinguish any type of fire, regardless of the presence of toxic fumes.
Statement 2: The P.A.S.S. technique, which stands for Pull, Aim, Squeeze, and Sweep, is recommended for effective use of a fire extinguisher.
Neither statement 1 nor 2 is correct.
Only statement 1 is correct.
Both statements 1 and 2 are correct.
Only statement 2 is correct.
Neither statement 1 nor 2 is correct.
Which of the following three-dimensional geometric figures has eight vertices and six rectangular faces?
Pyramid
Cylinder
Parallelogram
Cuboid
Pyramid
In a hospital, the ratio between the number of doctors and the number of nurses was 1 : 3. The addition of 12 new doctors and the departure of 24 nurses brings the ratio to 3 : 4. After k more nurses resign from the hospital, the ratio becomes 1 : 1. Find the value of k.
12
28
24
26
12
Which of the following statements is/are correct regarding functional dimension (F) in engineering drawings?
Statement 1: Functional dimensions are essential for the function of the component or space.
Statement 2: Functional dimensions are usually shown without any boundaries.
Statement 3: Functional dimensions are shown for reference purposes only.
Only statement 1 is true
Only statement 3 is true
Only statements 2 and 3 are true
Only statements 1 and 2 are true
Only statement 1 is true
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 from commonly known facts, decide which of the given conclusions logically follows from the given statements.
Statements:
II. All tables are cabinets.
III. All cabinets are beds.
Conclusions:
I. Some beds are tables.
II. All cabinets are desks.
Only conclusion I follows.
Only conclusion II follows.
Both conclusions I and II follow.
Neither conclusion I nor conclusion II follows.
Only conclusion I follows.
Ganpat starts from point A and walks 18 m west. He turns left, walks 32 m, then turns left again, walks 26 m, then turns left again, walks 61 m, and stops at point B. Meena starts from point Z, which is 22 m east of point A. She walks 42 m north, turns right, walks 35 m, turns right and walks 13 m, and stops at point Y. Find the shortest distance between point B and point Y. (All turns are 90-degree turns only.)
52 m
43 m
57 m
49 m
52 m
Three circular plates of radii 3 m, 2 m, and 1 m are cut from a rectangular cardboard sheet 46 m long and 8 m wide. If the area of the remaining cardboard sheet is equal to the area of a square, find the length of each side of the square. (Use )
20 m
18 m
14 m
16 m
20 m
In a certain code language, 'CARD' is coded as '8674' and 'MICE' is coded as '3517'. What is the code for 'C' in the given code language?
8
7
1
6
8
When an object of mass 50 kg is moved from one point to another along a horizontal line, what is the work done by the force of gravity on the object?
Zero
50 J
500 J
-500 J
Zero
If 50 : x :: x : 32 and x > 0, then find the value of x.
45.8
40
38.7
40.6
45.8
Two plumbers, X and Y, are paid a total of ₹770 per day by their employer. If X is paid 140% of the amount paid to Y, how much is Y paid per day (in ₹, rounded to two decimal places)?
320.83
220.83
270.83
370.83
320.83
What will be the value of 10 km/hr in SI units?
10 m/s
0.16 m/s
2.7 m/s
1000 m/s
10 m/s
In a certain code language,
'A + B' means 'A is the mother of B',
'A - B' means 'A is the brother of B',
'A × B' means 'A is the wife of B' and
'A & B' means 'A is the father of B'.
If 'E & F + G - H x T', then how is E related to T?
Wife's mother's father
Wife's brother
Wife's father
Wife's mother's brother
Wife's mother's father
If x = (7 + √5), y = (7 - √5), then find the value of x² + y².
96
137
124
108
96
Convert 1 kilowatt hour (kWh) to joule.
Which of the following letter-clusters should replace # and % so that the pattern and relationship followed between the letter-cluster pairs 4 to the left of :: is the same as the pattern and relationship followed between the letter-cluster pairs 4 to the right of ::?
# = JFK, % = KGM
# = JFK, % = KGL
What is the designation of the trimmed sheet with dimensions 297 mm x 420 mm, as per the ISO-A size series?
A1
A2
A4
A3
A1
Which of the following expressions is not correct for electric power?
P = VI
P= V2/R
P = I2/R
P = I2R
P = VI
What does the symbol given below in the circuit diagram represent?

Voltmeter
Voltage source
Resistor
Variable resistor
Voltmeter
Preeti, Kiran, Grace, Ankit, Deepak, Nitin and Neelam each have an exam on a different day of the same week, starting from Monday and ending on Sunday. Preeti has an exam on Thursday. Only one person has an exam between Preeti and Nitin. Grace has an exam the day immediately before Nitin but not on Monday. Only two people have an exam between Grace and Deepak. Neelam has her exam before Ankit but after Kiran. Who among the following has an exam on Monday?
Nitin
Neelam
Kiran
Deepak
Nitin
If of a number is 6 more than of that number, then find that number.
104
108
106
102
104
What should be done immediately after a fuel spillage in a workshop?
Cover it with plastic to prevent evaporation.
Use water to wash it off
Leave it as is and inform the supervisor later
Empty the area and control overflow using absorbent materials
Cover it with plastic to prevent evaporation.
A cube of mass 5.74 g occupies a volume of 1.2 cm³. The density (in g/cm³) expressed with the correct number of significant figures is _____________.
4.7833
4.8
4.78
4.783
4.7833
In science, work done is defined as:
force / distance
force / displacement
force × displacement
force × distance
force / distance
Simplify 976 × 265 + 976 × 735.
752800
976000
658200
876000
752800
Which of the following is not an advantage of using mobile governance using ICT?
Reduced costs for the government
Better access to government services for citizens
Increased transparency and accountability in government
Increasing the efficiency of government processes
Reduced costs for the government
Study the given diagram carefully and answer the question given below. The numbers in different sections represent the number of children who like different desserts.


How many children like both pastries and ice cream but not chocolate?
9
6
7
8
9
The rate of doing work is known as ___________.
Power
Force
Kinetic energy
Potential energy
Power
Which of the following actions help prevent injuries from slips and falls?
Wearing loose shoes for comfort
Walk carefully on wet floors
Cleaning up spills immediately and using warning signs
Ignoring clutter on the sidewalk
Wearing loose shoes for comfort
In the following series, only one letter-cluster is wrong. Choose the wrong letter-cluster.
PCO MEM JGK GIJ DKG AME
AME
JGK
DKG
GIJ
AME
Which of the following statements about geometric shapes is/are true?
Only statement 1 is true
Only statement 2 is true
Both statements 1 and 2 are true
Neither statement 1 nor 2 is true
Only statement 1 is true
A tank has two inlets, I1 and I2. I1 alone can fill it in 8 hours, and I2 alone can fill it in 4 hours. If both inlets are open, how long will it take to fill the tank?
2 hours
hours
hours
hours
2 hours
A 280 m long train travelling at a speed of 72 km/hr crosses a platform in 30 seconds. Find the length (in m) of the platform.
335
280
300
320
335
Amit's income in 2019 was ₹27,000. His income increases by 10% each year. What was his income (in ₹) in 2021?
32,400
29,700
32,670
27,000
32,400
Which of the following is the best way to identify hazards at the workplace?
Waiting for an event to occur
Performing regular safety inspections
Relying on employees to report accidents
Ignoring small risks
Waiting for an event to occur
Given below are two sets of numbers. In each set, performing certain mathematical operations on the first number gives the second number. Similarly, performing certain mathematical operations on the second number gives the third number, 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 numbers into their component digits. For example, take 13. Operations such as addition, subtraction, multiplication, etc. can be performed on 13. Breaking 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not permitted.)
3-9-12-24; 4-16-20-40
9-2-11-24
1-1-2-4
6-12-18-34
7-49-56-122
9-2-11-24
Which of the following will verify the credentials and documents of applicants uploaded on the National Scholarship Portal?
National Scholarship Portal
The University/Institute in which the applicant is studying.
Third Party
Government
National Scholarship Portal
The average of three numbers is 20. If two numbers are 16 and 24, find the third number.
22
21
20
19
22
Which of the following statements is/are true?
Statement 1: Heat conductors allow heat to pass through them easily.
Statement 2: All plastics are good conductors of heat.
Only statement 1
Only statement 2
Neither statement 1 nor statement 2
Both statement 1 and statement 2
Only statement 1
In the following number-pairs, the second number is obtained by performing certain mathematical operations on the first number. What number should be replaced by X and Y so that the pattern followed by the two numbers to the left of :: is the same as the pattern followed by the two numbers to the right of ::?
(Note: Operations must be performed on whole numbers, without breaking the numbers into their component digits. For example, take 13. Operations such as addition/subtraction/multiplication can be performed on 13. Breaking 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not permitted.)
X: 85 :: 36: Y
x = 44, Y = 73
x = 42, Y = 73
x = 43, Y = 77
x = 42, Y = 71
x = 44, Y = 73
Jaspreet deposited ₹58,550 at 20% annual interest rate compounded annually. What is the total amount (in ₹) Jaspreet will receive after 2 years ?
84,700
84,312
84,735
83,876
84,700
Rinku travels 136 meters in his car in 17 seconds. Find his speed (in km/hr).
11.6
17
28.8
26
11.6
What should come in place of question mark (?) in the given series?
893 891 889 887 ? 883
986
885
985
886
986
Ten people are sitting in two parallel rows, five in each row, in such a way that there is an equal distance between adjacent persons.
Row I contains A, B, C, D, and E, all of whom are facing south. Row II contains R, S, T, U and V, all of whom are facing north. Thus, each person faces a person from the other row. A sits at the right end of his row and faces U. R sits in the middle of his row and faces C. E sits between C and D, facing T. S sits at the right end of his row.
Who sits exactly opposite B?
T
R
U
V
T
What type of thermometer is used to measure the internal temperature of ice?
Digital thermometer
Clinical thermometer
Infrared thermometer
Laboratory Thermometer
Digital thermometer
An ammeter with a range of 0 to 10 A reads a current of 7.5 A. If its actual value is 6.2 A, the relative error is ________.
13%
17.33%
20.96%
4.8%
13%
The average of 5 results is 51 and the average of the first 4 of them is 50. The 5th result is.
55
50
51
54
55
A copper spoon is dipped in hot water. What happens to the other end?
It gets heated by conduction.
It cools down by conduction.
It gets heated by convection.
It cools down by convection.
It gets heated by conduction.
Based on the English alphabetical order, three of the following four letter-clusters are alike in a certain way and thus form a group. Which of the given letter-clusters does not belong to that group? (Note: The odd letter-cluster is not based on the number of consonants/vowels or their position in the letter-cluster.)
GMOT
FLNS
NTVB
LRTY
GMOT
A rod of length meters breaks into two pieces. If one piece is meters long, find the length (in m) of the other piece.
Four 4-ohm resistors are connected in parallel. These four parallel resistors are then connected in series with a 9-ohm resistor. Find the equivalent resistance.
10 ohm
2 ohm
3 ohm
1 ओम
10 ohm
An object weighs 60 N on Earth. What will be its weight on the surface of the Moon?
600 N
10 N
6 N
60 N
600 N
The key difference between a marking gauge and a mortise gauge is:
method of adjustment
size of the tool
material of construction
number of scribing pins
method of adjustment
According to BIS SP 46-2003, which of the following applications is correctly represented by a chain-thin line in engineering drawings?
Hidden edges
Center lines
Visible edges
Dimension lines
Hidden edges
What is the difference between a bevel gauge and a bevel protractor?
There is no difference; both tools are the same.
A bevel protractor is used for depth measurement, while a bevel gauge is used for height measurement.
A bevel gauge is fixed, while a bevel protractor is adjustable.
A bevel gauge is adjustable, while a bevel protractor provides precise angular measurements.
There is no difference; both tools are the same.
Match the following terminologies in riveted joint with their corresponding meanings.
| Column I | Column II |
|---|---|
| Pitch (A) | distance between centres of adjoining rivets in the same row (P) |
| Margin (B) | distance between an edge of the plate and the nearest rivet-hole (Q) |
| Lap joint (C) | plates to be connected overlap each other (R) |
| Row pitch (D) | distance between the rows of rivets (S) |
A-S, B-P, C-Q, D-R
A-S, B-R, C-Q, D-P
A-P, B-R, C-Q, D-S
A-P, B-Q, C-R, D-S
A-S, B-P, C-Q, D-R
Which of the following hand-operated drilling machines is used for drilling small diameter holes up to 6 mm?
Breast drilling machine
Bevel gear type drilling machine
Ratchet drilling machine
Electric hand drill
Breast drilling machine
Generally, the maximum efficiency of a diesel engine depends on:
Temperature and pressure
Density and viscosity
Heat transfer and friction
Speed and load
Temperature and pressure
Which of the following parts of a file is the part fitted to the tang for holding the file?
Tang
Tip or Point
Handle
Edge
Tang
The schedule number of a pipe is an indicator of which property?
Wall Thickness
Inner Diameter
Outer Diameter
Material Composition
Wall Thickness
When two pulleys are more than 8 metres apart, then which of the following belt drives is used for power transmission?
Light drive
Flat belt
V-belt
Circular belt
Light drive
Which of the following files is used for filing narrow grooves and angles above 10°?
Half round file
Triangular file
Square file
Knife-edge file
Half round file
If the basic size of the diameter of a shaft is 75 mm and variation limit of +0.02 mm is given, then its tolerance in mm is:
+0.02
+0.04
−0.04
−0.02
+0.02
The type of workpieces that can be successfully held in a 4-jaw chuck, and might be difficult to hold in a 3-jaw chuck, are:
irregular or eccentric workpieces
only small diameter workpieces
only hexagonal workpieces
only round workpieces
irregular or eccentric workpieces
What is single-riveted lap joint?
Joint made with three row of rivets
Joint made with four row of rivets
Joint made with two row of rivets
Joint made with only one row of rivets
Joint made with three row of rivets
What does the given surface finish symbol represent?

The surface should be finished using grinding only.
Special machining characteristics must be specified.
Machining must be performed to remove material.
Material removal is not allowed on this surface.
The surface should be finished using grinding only.
An electronic digital caliper displays the measurement on a _____.
dial gauge
liquid crystal display screen
mechanical counter
Vernier scale
dial gauge
When selecting a sheet size for an original drawing, what should be the primary consideration?
The size of the reproduction.
The clarity and resolution required.
The orientation of the drawing (horizontal or vertical).
The standard size of the drawing office.
The size of the reproduction.
Identify the rough file grade from the figures given below.

(c)
(b)
(a)
(d)
(c)
________ strategy is best suited for critical equipment that cannot afford unexpected downtime.
Reactive maintenance
Run-to-failure maintenance
Predictive maintenance
Preventive maintenance
Reactive maintenance
What type of surfaces can a telescopic gauge measure?
Only external cylindrical surfaces
Only deep holes
Only circular bores
Both circular and irregular bores
Only external cylindrical surfaces
A circuit consists of three resistors; 15 ohms, 10 ohms, and 20 ohms. The 15-ohm resistor is in series with the parallel combination of the 10-ohm and 20-ohm resistors. If a 24 V battery is applied across the circuit, what is the total current flowing through the circuit?
3.1 A
2.1 A
1.1 A
0.1 A
3.1 A
Which type of hydraulic cylinder is commonly used when a long stroke is required in a compact design?
Double-acting cylinder
Single-acting cylinder
Rotary actuator
Telescopic cylinder
Double-acting cylinder
Which of the following advantages of chain drive over belt drive is INCORRECT?
The production cost of chains is relatively high.
It gives less load on the shafts.
It may be used for both long as well as short distances.
It gives a high transmission efficiency.
The production cost of chains is relatively high.
What is the unit of specifying slip gauges?
Millimetres
Kilograms
Newtons
Kilometres
Millimetres
Arrange the following steps in the correct order to draw an equilateral triangle with each side of 35 mm.
1, 2, 4, 3
2, 3, 1, 4
2, 1, 3, 4
3, 2, 1, 4
1, 2, 4, 3
The process of ________ involves using a cutting tool called a tap to sever internal threads in a hole.
knurling
facing
chamfering
tapping
knurling
In a lead-acid battery, what is the chemical composition of the material used for the positive plate during discharge?
Lead sulfate (PbSO₄)
Sulphuric acid (H₂SO₄)
Lead (Pb)
Lead dioxide (PbO₂)
Lead sulfate (PbSO₄)
Which of the following vices consists of a handle and a small collet chuck at one end?
Hand vice
Pin vice
Pipe vice
Toolmaker’s vice
Hand vice
Which of the following is NOT required for estimating materials in preventive maintenance?
Equipment maintenance history
Supplier availability of spare parts
Standard life expectancy of components
Power consumption of the machine
Equipment maintenance history
For what purpose are pins and clips used in engineering drawings?
To transfer dimensions and dividing lines into a number of equal parts
To draw horizontal lines, parallel lines and to guide/hold the set squares
To fasten the drawing sheet on to the drawing board firmly so that it does not shake
To support the drawing paper/tracing paper for making drawing
To transfer dimensions and dividing lines into a number of equal parts
What is Pascal’s Law that is fundamental to hydraulic systems?
Force is inversely proportional to pressure.
Pressure in a confined fluid is constant at all points.
Fluid velocity is directly proportional to the cross-sectional area.
Energy cannot be created or destroyed in a hydraulic system.
Force is inversely proportional to pressure.
Which of the following types of thread is usually found on the machine spindle?
Knuckle thread
Buttress thread
Unified standard thread
Square thread
Knuckle thread
What is the purpose of an emergency evacuation plan?
To increase productivity
To ensure safe and orderly evacuation during emergencies
To allow workers to leave early
To avoid safety drills
To increase productivity
What is the primary reason for electrical injuries when a person comes in contact with electrical equipment?
Devices are used for too long.
Current flows through the body causing harm.
Electrical devices are too powerful.
Electrical equipment is not properly grounded.
Devices are used for too long.
Why is it important for every person to follow safety procedures in the workplace?
To increase overall production efficiency
To limit the need for frequent supervision
To minimise risks and avoid accidents
To reduce operational costs significantly
To increase overall production efficiency
A/An ________ is provided to keep the micrometer fixed so that the reading can be done easily and without any difficulty.
lock nut
sleeve or barrel
anvil
thimble
lock nut
A circular hole of radius 3 cm is cut from a rectangular sheet of dimensions 12 cm × 10 cm. Find the remaining area. (Take π = 3.14)
100 cm²
75.74 cm²
95.86 cm²
91.74 cm²
100 cm²
When measuring the resistance of a resistor using an ohmmeter, what does a reading of zero resistance indicate?
The resistor is open-circuited.
The resistor is short-circuited.
The ohmmeter is malfunctioning.
The resistor is functioning normally.
The resistor is open-circuited.
If find .
Which of the following is a key characteristic of a low-pressure blowpipe/torch in welding?
It requires an external pump to supply acetylene gas.
It directly mixes acetylene and oxygen in equal proportions.
It uses high-pressure oxygen to create a vacuum for acetylene suction.
It operates only with high-pressure acetylene cylinders.
It requires an external pump to supply acetylene gas.
Which component is essential in a single-acting cylinder to facilitate the return stroke?
Double inlet valve
Spring or external load
Pressure relief valve
Flow control valve
Double inlet valve
_________ type of preventive maintenance is performed based on actual machine condition rather than a fixed schedule.
Condition-based maintenance
Time-based maintenance
Breakdown maintenance
Run-to-Failure maintenance
Condition-based maintenance
What is the advantage of giving heat treatment to a material?
To decrease the melting point of the material
To increase the weight of the material
To change it from one element to another element
To make surgical knives of sharp edges
To decrease the melting point of the material
Which characteristic of cellulosic electrodes makes them unsuitable for high-strength steels?
They have a very thin coating, causing rapid wear.
They create excessive slag, leading to contamination.
They operate only on a low-voltage DC supply.
They produce high levels of hydrogen in the weld.
They have a very thin coating, causing rapid wear.
The terms _____ and _____ refer to the greatest and smallest variance, respectively, specified on a fundamental size or nominal measurement.
limit; fit
jig; fixture
low limit; high limit
high limit; low limit
limit; fit
Threading is an operation of cutting __________ on the external cylindrical surface of the job.
helical grooves
v-shaped grooves
rectangular grooves
circular grooves
helical grooves
What is the value of
In Lathe Machine operation, the act of making plain ends of a job in their actual length is called ___________.
facing
knurling
step turning
chamfering
facing
___________ microstructure is typically obtained after normalising low-carbon steel.
Pearlite and ferrite
Austenite
Bainite
Martensite
Pearlite and ferrite
The term ______ refers to the limit of variation allowed on either side of the correct dimension to provide the job property of interchangeability (in mass production of part).
high limit
fit
tolerance
low limit
high limit
The purpose of providing a side relief angle of 1° to 2° on a grooving tool is to:
improve the surface finish
prevent rubbing against the sides of the groove
increase the cutting speed
reduce the cutting force
improve the surface finish
In thread cutting, 'BSW' stands for _________________.
British Standard Weight
Bharath Standard Whitworth
British Stationary Whitworth
British Standard Whitworth
British Standard Weight
Which of the following organisations is responsible for enforcing workplace safety regulations in India?
World Health Organization (WHO)
Food and Drug Administration (FDA)
Directorate General of Factory Advice Service and Labour Institutes (DGFASLI)
Environmental Protection Agency (EPA)
World Health Organization (WHO)
What is the purpose of hammering during normalising?
To harden the steel
To increase brittleness
To refine the grain structure and improve mechanical properties
To remove oxidation
To harden the steel
__________ type of lapping is used for precision finishing of engine cylinder bores.
Belt lapping
Chemical lapping
Internal lapping
Flat lapping
Belt lapping
If the current flowing through a conductor is 5 A and the resistance of the conductor is 10 ohms, what will be the voltage across the conductor, according to Ohm's Law?
15 V
10 V
50 V
5 V
15 V
Gaskets, seals and spacers are made using:
hollow punch
centre punch
pin punch
prick punch
hollow punch
When the size of the shaft or male part of a job is more than hole or female part, the difference between the two will be known as ____________.
positive allowance
negative allowance
neither positive nor negative allowance
either positive or negative allowance
positive allowance
A drawing instrument box is used to carry all ______________ instruments.
casting
drilling
drawing
screening
casting
What is the purpose of a split die in pipe threading?
To change pipe diameter
To remove metal burrs
To create internal threads
To adjust the depth of cut for external threads
To change pipe diameter
Which of the following types of pliers is used to shape loops in wires and to form curves in light metal strips?
Flat nose pliers
End cutting pliers
Round nose pliers
Slip-joint pliers
Flat nose pliers
Non-functional dimensions are _______________.
not essential for the function of the space or component
essential for the function of the space or component
derived from the values of the related features of a drawing
directly derived from the values given on a drawing
not essential for the function of the space or component
Which of the following is NOT a failure mode of ball bearings?
Spalling
Brinelling
Creep
Bending
Spalling
After heating, how should the workpiece be cooled in the normalising process?
By quenching in water
By quenching in oil
By cooling in still air
By keeping inside the furnace
By quenching in water
Toughness is the ability of a material to:
undergo plastic deformation without failure
absorb energy before fracture
resist elastic deformation
resist scratches and indentation
undergo plastic deformation without failure
What does 'charging' of a lapping tool mean?
Increasing the weight of the tool for better pressure
Applying coolant to the tool
Embedding abrasive particles into the lap surface
Electrically energising the tool
Increasing the weight of the tool for better pressure
The unit for specific gravity is _____.
no unit (dimensionless)
kg/m3
g/cm3
m/s2
no unit (dimensionless)
In electrical applications, why are MOSFETs used instead of BJTs?
They have very high input impedance
They have lower efficiency compared to BJTs
They are suitable only for AC or DC signals
They are expensive devices
They have very high input impedance
Silicon carbide as a honing abrasive is best suited for which type of material?
Soft materials like aluminium
Hard materials like hardened steel and cast iron
Rubber
Plastic and wood
Soft materials like aluminium
Which hardness test uses a diamond pyramid-shaped indenter?
Rockwell
Brinell
Shore
Vickers
Rockwell
In a forward Vernier scale, the size of one Vernier scale division is:
larger than 1 main scale division
1 mm
equal to 1 main scale division
smaller than 1 main scale division
larger than 1 main scale division
In a velocity-time graph, the negative slope represents _____.
retardation
distance
displacement
acceleration
retardation
What should you do to ensure your personal safety at work?
Take risks to finish tasks quickly.
Ignore warning signs and instructions.
Wear personal protective equipment.
Work in a hurry without checking equipment.
Take risks to finish tasks quickly.
When using a multimeter to measure current, which of the following is correct?
The multimeter is connected only across resistive components.
The multimeter is connected directly to the power source.
The multimeter is connected in parallel with the load.
The multimeter is connected in series with the load.
The multimeter is connected only across resistive components.
Which of the following is an important safety measure during a power failure?
Ignoring alarm systems
Using candles for lighting
Ensuring all machines and electrical equipment are turned off
Continuing to use equipment without verifying power status
Ignoring alarm systems
Which of the following tools is NOT under the requirement to complete the Step Turning Process?
Turning tool
Vernier Caliper
Snipping tool
Parting Tool
Turning tool
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