Official Paper

RRB ALP Mechanic Motor Vehicle 23 Jan 2019 Official Paper (Shift 1) (Previous Year Paper)

175 questions · 150 minutes · with answers · free

Attempt as Timed Mock Test

Part A (100 questions)

What is the diameter (in cm) of a sphere of surface area 1386 cm²?

((a))
14
((b))
21
((c))
10.5
((d))
24.5

Show Answer

Answer: ((a))

The bar graph shows the population density of 6 countries in 2000 and 2010.

If the population of country B is 10 million in 2000 and the population of country D is 6 million in 2010, how much more is the area of country B than the area of country D, where population density is measured as the number of people per 100 square kilometers.

((a))
500%
((b))
20%
((c))
400%
((d))
25%

Show Answer

Answer: ((a))

500%

The bar graph shows all the ingredients (in grams) required to make two types of salads, X and Y. If Ingredient B of Salad X is reduced by 100 grams and Ingredient E of salad Y is increased by 25% then salad Y would be lighter than salad X by _______.

((a))
37.50%
((b))
25%
((c))
20%
((d))
22.50%

Show Answer

Answer: ((a))

37.50%

In a steady-flowing river, a boat goes a certain distance upstream at a speed of 12 km/h and comes back the same distance at 24 km/h. Find the average speed for the total journey.

((a))
15 km/h
((b))
16 km/h
((c))
18 km/h
((d))
20 km/h

Show Answer

Answer: ((a))

15 km/h

Find mass of an iron cube of side 2 cm. (Density of iron is 7.8 gm/cm³)

((a))
3.9 gm
((b))
0.975 gm
((c))
15.6 gm
((d))
62.4 gm

Show Answer

Answer: ((a))

3.9 gm

Two cars, X and Y, travel from A to B at average speeds of 50 km/hr and 75 km/hr respectively. If X takes 2 hours more than Y for the journey, then the distance between A and B in km is ______.

((a))
600
((b))
400
((c))
800
((d))
300

Show Answer

Answer: ((a))

600

If a shopkeeper sells an item at Rs. 2,700, he makes 8% profit. If he sells the item at Rs. 3,000 what will be the percentage of profit?

((a))
12
((b))
20
((c))
10
((d))
25

Show Answer

Answer: ((a))

Find the highest common factor of 506 and 782.

((a))
29
((b))
34
((c))
46
((d))
22

Show Answer

Answer: ((a))

A alone can do a task in 35 days and B alone in 14 days. If they work on it together for 5 days, then what fraction of the task is left?

((a))
Quarter
((b))
One-thirds
((c))
Half
((d))
Three fourths

Show Answer

Answer: ((a))

Quarter

(0.1² - 0.025²) ÷ (0.1 - 0.025) = ______.

((a))
0.325
((b))
0.125
((c))
0.625
((d))
0.25

Show Answer

Answer: ((a))

0.325

Find the coordinates of the midpoint of the segment joining the points (-4, 7) and (2, 3).

((a))
(-1, 5)
((b))
(-2, 3)
((c))
(1, -5)
((d))
(2, 4)

Show Answer

Answer: ((a))

(-1, 5)

20 - 2[25% of (15 × 8 ÷ 6 + 12)] = ______

((a))
4
((b))
6
((c))
10
((d))
8

Show Answer

Answer: ((a))

If a - b = 5 and ab = 14, then find a² + b².

((a))
53
((b))
27
((c))
5
((d))
19

Show Answer

Answer: ((a))

Find the value of 5 sin θ - 2 cosec θ, if θ = 30°.

((a))
3/2
((b))
- 3/2
((c))
2/3
((d))
- 2/3

Show Answer

Answer: ((a))

3/2

In a certain gear train, the driver has 18 teeth while the follower has 8 teeth. For every 16 turns of the driver, the follower turns ______ times.

((a))
18
((b))
8
((c))
36
((d))
9

Show Answer

Answer: ((a))

If 5x/2 - 1/4(6x - 5/3) = 7/6, then the value of x is ______.

((a))
5/4
((b))
3/4
((c))
3/7
((d))
5/7

Show Answer

Answer: ((a))

5/4

If the amount received at the end of 1^st and 2^nd year at compound interest on a certain principal is Rs. 1,350 and Rs. 1,458 respectively, what is the rate of interest?

((a))
10%
((b))
15%
((c))
12%
((d))
8%

Show Answer

Answer: ((a))

10%

A trader buys 60 bags of grain at Rs. 400 each. If he sells 18 bags at 8% profit, at what price should he sell the remaining bags to make 16.4% overall profit on selling the 60 bags?

((a))
Rs. 480
((b))
Rs. 500
((c))
Rs. 540
((d))
Rs. 520

Show Answer

Answer: ((a))

Rs. 480

If A, B and C can do a task working alone in 12, 18 and 36 days respectively. They all work together for 2 days, then B quits. How many days A and C working together will take to complete the remainder of the task?

((a))
6
((b))
3
((c))
4
((d))
9

Show Answer

Answer: ((a))

What is the area (in cm²) of an equilateral triangle of side 8 cm?

((a))
32√3
((b))
8√3
((c))
64√3
((d))
16√3

Show Answer

Answer: ((a))

32√3

A and B start to walk from point P towards point Q. The distance between P and Q is 9 km. B starts 4 minutes after A. A, on reaching Q, immediately returns and after walking a kilometre meets B. If A’s speed is a kilometre in 10 minutes, what is B’s speed in kilometres per minute?

((a))
1/15
((b))
1/8
((c))
1/12
((d))
1/6

Show Answer

Answer: ((a))

1/15

Pipe A can fill a tank in 6 hours. Pipe B can empty it in 15 hours. If both the pipes are opened together, then the tank will be filled in how many hours?

((a))
9
((b))
8
((c))
12
((d))
10

Show Answer

Answer: ((a))

When a number is increased by 36, it becomes 109% of itself. What is the number?

((a))
300
((b))
450
((c))
360
((d))
400

Show Answer

Answer: ((a))

300

A bullet travels 90 m in 0.2 seconds. Find its speed in km/hr.

((a))
162
((b))
1,620
((c))
1,250
((d))
125

Show Answer

Answer: ((a))

162

An executive earns a salary of Rs. 12,600 every month, and he spends 5/7 of it. If his salary increases by 1/3^rd and his spending increases by 1/5^th of the present expenditure, what fraction of his salary will he save?

((a))
7/16
((b))
8/15
((c))
7/15
((d))
5/14

Show Answer

Answer: ((a))

7/16

If 3A = 6B = 7C; find A : B : C.

((a))
12 : 7 : 3
((b))
7 : 12 : 6
((c))
14 : 7 : 6
((d))
7 : 3 : 12

Show Answer

Answer: ((a))

12 : 7 : 3

Find x if the mean of the numbers 10, 4, 1, 15, 15, x, 12 and 14 is 10.

((a))
7
((b))
8
((c))
9
((d))
10

Show Answer

Answer: ((a))

If √X + 0.24 = √0.1296 then find X.

((a))
0.0144
((b))
0.12
((c))
1.44
((d))
0.0012

Show Answer

Answer: ((a))

0.0144

The weights of 3 boxes are 4, 7 and 10 kilograms. Which of the following CANNOT be the total weight, in kilograms, of any combination of these boxes?

((a))
14
((b))
21
((c))
17
((d))
18

Show Answer

Answer: ((a))

The author of ‘The Monk Who Sold His Ferrari’ is ______.

((a))
Arvind Adiga
((b))
Robin Sharma
((c))
Manohar Malgonkar
((d))
Arundhati Roy

Show Answer

Answer: ((a))

Arvind Adiga

Find the work done (in kJ) if a force of 750 N pushes a cart of mass 30 kg by 16 m.

((a))
24
((b))
12
((c))
36
((d))
48

Show Answer

Answer: ((a))

Which hazardous substance can cause lung cancer?

((a))
Benzene vapours
((b))
Asbestos particles
((c))
Herbicides
((d))
Aluminum

Show Answer

Answer: ((a))

Benzene vapours

______ is the physiological adjustment by an organism to environmental change.

((a))
Bioremediation
((b))
Bioaccumulation
((c))
Cogeneration
((d))
Acclimation

Show Answer

Answer: ((a))

Bioremediation

Which of the following gases is a highly poisonous, odourless, tasteless and colourless gas?

((a))
Carbon dioxide
((b))
Carbon monoxide
((c))
Methane
((d))
Nitrogen dioxide

Show Answer

Answer: ((a))

Carbon dioxide

Green and yellow vegetables in our diet mostly provide us which element as food?

((a))
Copper
((b))
Sodium
((c))
Zinc
((d))
Potassium

Show Answer

Answer: ((a))

Copper

Binary 110110101 is equal to decimal ________.

((a))
333
((b))
437
((c))
349
((d))
477

Show Answer

Answer: ((a))

333

A/An ______ is software used to maintain the security of a private network.

((a))
malware
((b))
encryption
((c))
firewall
((d))
clickbait

Show Answer

Answer: ((a))

malware

Who was the chairman of the Constitution Drafting Committee?

((a))
Jawaharlal Nehru
((b))
Dr. B R Ambedkar
((c))
Dr. Rajendra Prasad
((d))
Sardar Patel

Show Answer

Answer: ((a))

Jawaharlal Nehru

The Umaid Bhawan Palace is in which city?

((a))
Jaipur
((b))
Jodhpur
((c))
Bikaner
((d))
Udaipur

Show Answer

Answer: ((a))

Jaipur

Classical musician Shivkumar Sharma is associated with which musical instrument?

((a))
Shehnai
((b))
Tabla
((c))
Violin
((d))
Santoor

Show Answer

Answer: ((a))

Shehnai

Which of the following folk dances is from Assam?

((a))
Giddha
((b))
Lezim
((c))
Nati
((d))
Bagurumba

Show Answer

Answer: ((a))

Giddha

-100° Celsius = ______ Fahrenheit

((a))
-373°
((b))
-148°
((c))
173°
((d))
-212°

Show Answer

Answer: ((a))

-373°

If 36 J of work is done in moving a charge Q across 8 V, find Q (in coulombs).

((a))
288
((b))
9
((c))
4.5
((d))
16

Show Answer

Answer: ((a))

288

What is the relative density of a solid of mass 50 gm which when fully immersed in water weighs 10 gm?

((a))
5
((b))
1.25
((c))
2.5
((d))
0.8

Show Answer

Answer: ((a))

If the speed of a car increases from 54 km/hr to 90 km/hr, its kinetic energy increases in the ratio of ________.

((a))
3/5
((b))
9/4
((c))
9/16
((d))
9/25

Show Answer

Answer: ((a))

3/5

Find the length (in cm) of the edge of a cube of a piece of wood which weighs 80 N. (Use g = 10 m/s², density of wood = 1 g/cm³)

((a))
60
((b))
20
((c))
80
((d))
40

Show Answer

Answer: ((a))

Two resistors of R Ω and 60 Ω are connected in parallel to get an effective resistance of 24 Ω. Find R.

((a))
56
((b))
64
((c))
48
((d))
40

Show Answer

Answer: ((a))

Farad per meter is the unit of ______.

((a))
watt per steradian
((b))
permittivity
((c))
permeability
((d))
electric conductance

Show Answer

Answer: ((a))

watt per steradian

A ______ map converts color intensity or grayscale information to heights to give the appearance that features are raised above the surface, like embossed letters.

((a))
shade
((b))
bump
((c))
tone
((d))
tint

Show Answer

Answer: ((a))

shade

A truck of mass 5000 kg accelerates from 25 m/s to 35 m/s. Find the change in its kinetic energy (in MJ).

((a))
1
((b))
2.5
((c))
1.5
((d))
2

Show Answer

Answer: ((a))

Which of the following recipients of the Dadasaheb Phalke Award received it posthumously?

((a))
Vinod Khanna
((b))
Satyajit Ray
((c))
Naushad
((d))
Durga Khote

Show Answer

Answer: ((a))

Vinod Khanna

To ______ is to prepare a storage medium, usually a disk, for reading and writing.

((a))
format
((b))
defrag
((c))
map
((d))
boot

Show Answer

Answer: ((a))

format

Which of the following is the correct relation between resistance ‘R’, conductivity ‘σ’, length ‘L’ and area of cross section ‘A’ of a metal wire?

((a))
RL = Aσ
((b))
RσA = L
((c))
RA = Lσ
((d))
σ = RL/A

Show Answer

Answer: ((a))

RL = Aσ

Which team won the Indian Premier League (IPL) in 2018?

((a))
Sunrisers Hyderabad
((b))
Chennai Super Kings
((c))
Royal Challengers Bangalore
((d))
Kolkata Knight Riders

Show Answer

Answer: ((a))

Sunrisers Hyderabad

Antihistamines are found in some first-aid boxes. When should these drugs be taken?

((a))
To aid in clotting of blood
((b))
To ease the symptoms of hay fever and other allergies
((c))
To ease the indigestion and heartburn
((d))
To bring relief from asthma

Show Answer

Answer: ((a))

To aid in clotting of blood

Acceleration due to gravity on moon is 1/6^th that on earth. How much would an astronaut weigh on the moon if he weighs 90 kgf on earth? (acceleration due to gravity on earth = 10 m/s²)

((a))
15 N
((b))
150 N
((c))
90 N
((d))
9 N

Show Answer

Answer: ((a))

15 N

Which of the following is NOT a base unit?

((a))
mole
((b))
ampere
((c))
radian
((d))
candela

Show Answer

Answer: ((a))

mole

Who invented the blue jeans?

((a))
Levi Strauss
((b))
Todd Oldham
((c))
Calvin Klein
((d))
Gianni Versace

Show Answer

Answer: ((a))

Levi Strauss

Find the potential difference (in V) across a resistance of 2.5 kΩ through which a 2 mA current flows.

((a))
5
((b))
0.2
((c))
1.25
((d))
0.8

Show Answer

Answer: ((a))

The Living Planet Report, released every two years, is the flagship publication of which organisation?

((a))
The Nature Conservancy
((b))
World Wide Fund for Nature
((c))
Conservation International
((d))
Wildlife Conservation Society

Show Answer

Answer: ((a))

The Nature Conservancy

The sum of two binary numbers 1101111 and 1100101 is ______.

((a))
100011100
((b))
100000110
((c))
11110000
((d))
11010100

Show Answer

Answer: ((a))

100011100

The National Skills Development Corporation (NSDC) is a public-private partnership formed under India’s ______.

((a))
Ministry of Finance
((b))
Ministry of Electronics & Information Technology
((c))
Ministry of Corporate Affairs
((d))
Ministry of Science & Technology

Show Answer

Answer: ((a))

Ministry of Finance

The resistance of a metal rod depends on all of the following, except ______.

((a))
resistivity
((b))
density
((c))
length
((d))
temperature

Show Answer

Answer: ((a))

resistivity

Find the missing number in the given series.

-1.3, -0.8, -0.3, ?, 0.7, 1.2

((a))
0.1
((b))
0.3
((c))
0.4
((d))
0.2

Show Answer

Answer: ((a))

0.1

One statement is given, followed by two assumptions, I & II. You have to consider the statement to be true, even if it seems to be at variance from commonly known facts. You are to decide which of the given assumptions can definitely be drawn from the given statement.

Statement: “You are appointed as a trainee accountant on temporary basis. Your employment status will automatically be converted to permanent on submission of pass result of M Com final exam." — Extract from an appointment letter.

Assumptions:

I. M Com final exam is a reasonable proof of an accountant's capability.

II. All trainees are appointed on temporary basis.

((a))
Both I and II are implicit
((b))
Only assumption I is implicit
((c))
Only assumption II is implicit
((d))
Neither I nor II is implicit

Show Answer

Answer: ((a))

Both I and II are implicit

Choose the figure which is different from the rest.

((a))
((b))
((c))
((d))

Show Answer

Answer: ((a))

In a certain code language, ‘+’ represents ‘×’, ‘÷’ represents ‘+’, ‘-’ represents ‘÷’ and ‘×’ represents ‘-’. Find out the answer to the following question.

12 ÷ 6 – 2 + 10 × 5 = ?

((a))
50
((b))
37
((c))
23
((d))
16

Show Answer

Answer: ((a))

In the following figure, the triangle represents actors, the square represents professors, the circle represents Indians and the rectangle represents fathers. Which set of letters represents Indians who are either professors or fathers?

((a))
IGH
((b))
CEF
((c))
E
((d))
G

Show Answer

Answer: ((a))

IGH

Choose the letters which are different from the rest.

((a))
HJL
((b))
PRT
((c))
VTR
((d))
UWY

Show Answer

Answer: ((a))

HJL

Select the option that is related to the third word on the same basis as the second word is related to the first word.

Letter : Envelope ∷ Dagger : ?

((a))
Sheath
((b))
Weapon
((c))
Sword
((d))
Sharp

Show Answer

Answer: ((a))

Sheath

If A $ B means A is the husband of B, A # B means A is the brother of B and A * B means A is the mother of B, then what does P $ Q * R # S mean?

((a))
P is the father of S
((b))
P is the brother-in-law of S
((c))
P is the son of S
((d))
P is the brother of S

Show Answer

Answer: ((a))

P is the father of S

What is the angle between the hour hand and the minute hand at half past two?

((a))
105°
((b))
75°
((c))
120°
((d))
90°

Show Answer

Answer: ((a))

105°

The given Venn diagram shows the number of students who have passed in the three exams, viz. English, Science and Maths. How many students failed in all the three exams?

((a))
3
((b))
12
((c))
9
((d))
6

Show Answer

Answer: ((a))

One statement is given followed by two conclusions. Decide which of the given conclusions can definitely be drawn from the given statement.

Statement: As income increases, cars become more affordable.

Conclusion I: With greater use of technology, cars are now cheaper than they were a generation ago.

Conclusion II: Cars will become so numerous that no future technology will solve the traffic problem.

((a))
Only conclusion I follows
((b))
Both I and II follow
((c))
Neither I nor II follows
((d))
Only conclusion II follows

Show Answer

Answer: ((a))

Only conclusion I follows

A postman starts from the post office and cycles 13 km south, then turns west and cycles 10 km, then turns north and cycles 8 km, then turns east and cycles 2 km and then turns to his left and cycles 5 km. Where is he now with reference to his starting position?

((a))
8 km east
((b))
12 km east
((c))
12 km west
((d))
8 km west

Show Answer

Answer: ((a))

8 km east

Here are some words from an artificial language.

unacri means lighthouse

bancri means lightweight

banetu means overweight

Which word would mean ‘overdrive’?

((a))
adiban
((b))
adietu
((c))
simuna
((d))
criteh

Show Answer

Answer: ((a))

adiban

At present, the ratio between the ages of Anu and Dimpy is 5 : 8. After 2 years, the ratio of their ages will become 2 : 3. What was Dimpy’s age before 2 years?

((a))
10
((b))
12
((c))
16
((d))
14

Show Answer

Answer: ((a))

In the question, two statements are given, followed by three conclusions, I, II and III. You have to consider the statements to be true even if they seem to be at variance with commonly known facts. You have to decide which of the given conclusions, if any, follows from the given statements.

Statement:

All flags are banners.

Some flags are emblems.

Conclusion:

I. Some emblems are banners.

II. All banners are emblems.

III.No emblems are banners.

((a))
Only conclusion I follows
((b))
Only conclusion III follows
((c))
All conclusions I, II and III follow
((d))
Only conclusion I and III follow

Show Answer

Answer: ((a))

Only conclusion I follows

Choose the one which is different from the rest.

((a))
Father
((b))
Son
((c))
Mother-in-law
((d))
Brother

Show Answer

Answer: ((a))

Father

Select the option that is related to the third word on the same basis as the second word is related to the first word.

Poem : Stanza ∷ Book : ?

((a))
Language
((b))
Story
((c))
Page
((d))
Printing

Show Answer

Answer: ((a))

Language

If 8 # 12 = 10; 5 # 9 = 7; 6 # 10 = 8, then find the value of 14 # 4.

((a))
10
((b))
9
((c))
5
((d))
3

Show Answer

Answer: ((a))

In a certain code DIRTY is coded as 24759 and FOAM is coded as 1863. Using the same code ARID will be coded as ______.

((a))
2489
((b))
9165
((c))
1579
((d))
6742

Show Answer

Answer: ((a))

2489

In the following question, which set of letters and numbers, when sequentially placed at the gaps in the given series, shall complete it?

1_2x_bb_yy_cc_6zzz

((a))
a345c
((b))
3a45b
((c))
3a4b5
((d))
3a45c

Show Answer

Answer: ((a))

a345c

A said to B, “You are my husband’s daughter-in-law’s son.” How is B related to A?

((a))
B is the father of A
((b))
B is the grandson of A
((c))
B is the brother of A
((d))
B is the son of A

Show Answer

Answer: ((a))

B is the father of A

In the question, two statements are given, followed by two conclusions, I, and II. You have to consider the statements to be true even if they seem to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follows from the given statements.

Statement 1: Some wagons are buggies.

Statement 2: All wagons are carts.

Conclusion I: All buggies are carts.

Conclusion II: Some carts are buggies.

((a))
Only conclusion I follows
((b))
Both I and II follow
((c))
Neither I nor II follows
((d))
Only conclusion II follows

Show Answer

Answer: ((a))

Only conclusion I follows

Rearrange the parts of the sentence in the correct order.

A customer based on reasons

X- chances are that they actually made the change

Y- may not come out of the changing room, but

Z- which is unfortunately inappropriate

((a))
YXZ
((b))
ZYX
((c))
XZY
((d))
ZXY

Show Answer

Answer: ((a))

YXZ

Find the power (in W) of a pump if it can lift 1 tonne of water by 90 m in 30 minutes. (Assume 100% efficiency and use g= 10 m/s²)

((a))
50
((b))
250
((c))
25
((d))
500

Show Answer

Answer: ((a))

Which of the following is an example of a first class lever?

((a))
Ice tongs
((b))
Wheel barrow
((c))
A pair of scissors
((d))
Nut cracker

Show Answer

Answer: ((a))

Ice tongs

_______ curves employ at least three points to define a curve. The two endpoints of the curve are called anchor points. The other points, which define the shape of the curve, are called handles, tangent points, or nodes.

((a))
Bicorn
((b))
Bezier
((c))
Deltoid
((d))
Kappa

Show Answer

Answer: ((a))

Bicorn

Find the efficiency of a pulley system which has a mechanical advantage of 2.5 and where the load lifts by 2.5 meters on pulling the rope by 10 m.

((a))
62.50%
((b))
25.00%
((c))
40.00%
((d))
100.00%

Show Answer

Answer: ((a))

62.50%

________ is when we cover a surface with a pattern of flat shapes so that there are no overlaps or gaps.

((a))
Tessellation
((b))
Tracking
((c))
Gradient
((d))
Kerning

Show Answer

Answer: ((a))

Tessellation

If half a litre of hot water at 90°C is mixed with three and a half litres of cold water at 10° C, find the final equilibrium temperature (in °C) if no heat is lost.

((a))
20
((b))
40
((c))
30
((d))
50

Show Answer

Answer: ((a))

Two children, weighing 30 kg and 15 kg, sit on one side of a see-saw at a distance of 1 m and 1.2 m respectively, from the fulcrum. A boy of 'M' kg sits on the other side of the see-saw at a distance of 1.2 m from the fulcrum, and the see- saw is in equilibrium. Find M.

((a))
36
((b))
45
((c))
48
((d))
40

Show Answer

Answer: ((a))

Find the heat capacity of a pan of mass 200 g, if its temperature rises by 8° C on receiving 2000 J of heat.

((a))
250 JK^-1
((b))
5 JK^-1
((c))
50 Jkg^-1K^-1
((d))
1.25 Jkg^-1K^-1

Show Answer

Answer: ((a))

250 JK^-1

210 mm × 297 mm are the dimensions of ______ size paper.

((a))
A4
((b))
A2
((c))
A3
((d))
A1

Show Answer

Answer: ((a))

The sentences given in the question, which, when properly sequenced, form a coherent paragraph. Each sentence is labelled with a letter. Choose the most logical order of sentences from among the given choices to construct a coherent paragraph.

Outside their window there was a vine with attractive foliage, but it started shedding leaves one by one as summer passed through fall into winter.

A - Came dawn, when Johnsy looked out of the window from her sick bed, lo and behold, the leaf was still there and it continued to be there on the following days.

B - Finally, only one last leaf remained. Johnsy told Sue that when that leaf fell, her life would also go.

C - The girl regained her will to live and was fully recovered in a few days.

D - A concerned elderly artist friend of the girls, hearing this story, climbed outside the window in the bitterly cold night and painted a life-like leaf at the spot from where the last leaf had just fallen.

((a))
BDCA
((b))
BDAC
((c))
DBCA
((d))
DBAC

Show Answer

Answer: ((a))

BDCA

An object with greater ______ has greater inertia.

((a))
velocity
((b))
acceleration
((c))
volume
((d))
mass

Show Answer

Answer: ((a))

velocity

Find the specific heat capacity (in Jg^-1K^-1) of a block of metal of mass 500 g, the temperature of which rises by 80°C when it absorbs 10 kJ of heat?

((a))
0.4
((b))
0.16
((c))
1.56
((d))
0.25

Show Answer

Answer: ((a))

0.4

Find the specific latent heat of vaporisation of 1.25 g of nitrogen (in Jg^-1), if it releases 250 Joules of heat when it condenses at its boiling point of 196° C.

((a))
469
((b))
500
((c))
312.5
((d))
200

Show Answer

Answer: ((a))

469

100

An arrowhead at the end of a dimension line is approximately _________ long and 1 mm wide.

((a))
3 mm
((b))
5 mm
((c))
1 mm
((d))
1.5 mm

Show Answer

Answer: ((a))

3 mm

Part B (75 questions)

101

What is the function of a sensor in the MPFI system?

((a))
It senses the information in the form of physical and chemical variables.
((b))
It does the mechanical work.
((c))
It controls the pressure.
((d))
It operates the injector.

Show Answer

Answer: ((a))

It senses the information in the form of physical and chemical variables.

102

Which of the following conductors is used in bulbs?

((a))
Carbon
((b))
Copper
((c))
Tungsten
((d))
Nichrome

Show Answer

Answer: ((a))

Carbon

103

In an overhead valve system, the cylinder head supports the_________.

((a))
crankshaft
((b))
oil pan
((c))
oil pump
((d))
rocker shaft assembly

Show Answer

Answer: ((a))

crankshaft

104

The two commonly used semiconductor materials are:

((a))
arsenic and boron
((b))
aluminium and antimony
((c))
gallium and indium
((d))
germanium and silicon

Show Answer

Answer: ((a))

arsenic and boron

105

Distributor-type FIP is also called:

((a))
low-pressure pump
((b))
rotary pump
((c))
servo pump
((d))
in-line pump

Show Answer

Answer: ((a))

low-pressure pump

106

The function of an alternator in vehicles is to:

((a))
discharge the battery
((b))
measure the voltage
((c))
measure the current
((d))
charge the battery

Show Answer

Answer: ((a))

discharge the battery

107

Supercharging in marine engines is done to:

((a))
decrease the engine power output
((b))
decrease the fuel pressure
((c))
increase the fuel pressure
((d))
increase the engine power output

Show Answer

Answer: ((a))

decrease the engine power output

108

Which of the following is a common reason for using aluminium sheets?

((a))
Lightness
((b))
Dullness
((c))
Brightness
((d))
Darkness

Show Answer

Answer: ((a))

Lightness

109

Halon extinguishers are filled with:

((a))
kerosene
((b))
liquefied petroleum gas
((c))
carbon tetrachloride
((d))
water

Show Answer

Answer: ((a))

kerosene

110

Which types of rims are used generally in light vehicles?

((a))
Split-type
((b))
Wire spoke
((c))
Press - type
((d))
Artillery

Show Answer

Answer: ((a))

Split-type

111

What does NDT stand for?

((a))
Non - Destructive Test
((b))
Non - Dial Test
((c))
Non - Driving Test
((d))
Non - Dry Test

Show Answer

Answer: ((a))

Non - Destructive Test

112

The most common base material for ICs is:

((a))
germanium
((b))
silicon
((c))
gallium
((d))
carbon

Show Answer

Answer: ((a))

germanium

113

A _______ is mounted on the rear end of a crankshaft.

((a))
flywheel
((b))
timing sprocket
((c))
vibration damper
((d))
counter weight

Show Answer

Answer: ((a))

flywheel

114

Connecting rods are made of:

((a))
Aluminium
((b))
mild steel
((c))
alloy steel
((d))
cast iron

Show Answer

Answer: ((a))

Aluminium

115

The cylinder head is a single casting bolted on the top of the _______.

((a))
Camshaft
((b))
crankshaft
((c))
oil sump
((d))
cylinder block

Show Answer

Answer: ((a))

Camshaft

116

The taper shank drills should be mounted on the machine spindles by means of a _______.

((a))
Sleeve
((b))
tang of file
((c))
Hammer
((d))
Punch

Show Answer

Answer: ((a))

Sleeve

117

The choke in the carburettor is generally used when the engine is:

((a))
running at high speed
((b))
to be suddenly accelerated
((c))
to be cold started
((d))
Idling

Show Answer

Answer: ((a))

running at high speed

118

In a Distributor less ignition system the distributor is replaced by:

((a))
Brushes
((b))
Insulated coils
((c))
Ignition switch
((d))
Rotor

Show Answer

Answer: ((a))

Brushes

119

The part that must be fitted in a piston to ensure a good seal with the cylinder wall is called:

((a))
piston rings
((b))
piston pins
((c))
connecting rods
((d))
Gaskets

Show Answer

Answer: ((a))

piston rings

120

In the differential, the crown wheel is attached to the ________.

((a))
bevel pinion
((b))
propeller shaft
((c))
bevel gear
((d))
differential cage

Show Answer

Answer: ((a))

bevel pinion

121

Stoichiometric ratio is associated with:

((a))
compression pressure
((b))
mechanical efficiency
((c))
air to fuel ratio
((d))
volumetric efficiency

Show Answer

Answer: ((a))

compression pressure

122

Which of the following type of steering gear box is most widely used in passenger cars?

((a))
Recirculating ball type
((b))
Worm and nut
((c))
Rack and pinion
((d))
Worm and wheel

Show Answer

Answer: ((a))

Recirculating ball type

123

What is determined while measuring a component?

((a))
Nominal size
((b))
Actual size
((c))
Scale size
((d))
Specified size

Show Answer

Answer: ((a))

Nominal size

124

Piston pin connects piston and _________.

((a))
connecting rod
((b))
valve
((c))
crankshaft
((d))
camshaft

Show Answer

Answer: ((a))

connecting rod

125

What is the function of hydraulic pumps in hydraulic systems?

((a))
To permit the pressure in the reservoir to force fluid into the pump
((b))
To develop pressure on the surface of oil
((c))
To deliver fluid into the hydraulic system
((d))
To produce flow only and not pressure

Show Answer

Answer: ((a))

To permit the pressure in the reservoir to force fluid into the pump

126

Which of the following is a temporary joint?

((a))
Welded joint
((b))
Soldered joint
((c))
Press fit joint
((d))
Riveted joint

Show Answer

Answer: ((a))

Welded joint

127

A radiator core should be cleaned _________.

((a))
from top to bottom of the core
((b))
from top hose to bottom hose
((c))
from the outside to the side of the fan
((d))
by reverse flushing

Show Answer

Answer: ((a))

from top to bottom of the core

128

Which of the following is the function of a flywheel?

((a))
It drives the camshaft.
((b))
It controls the crankshaft end play.
((c))
It supports the timing gear.
((d))
It serves as a mounting and frictional surface for clutch assembly.

Show Answer

Answer: ((a))

It drives the camshaft.

129

A die is:

((a))
an external thread cutting tool
((b))
an acme thread cutting tool
((c))
an internal thread cutting tool
((d))
a square thread cutting tool

Show Answer

Answer: ((a))

an external thread cutting tool

130

The purpose of holding the hammer handle at its end is to:

((a))
avoid injury to hand
((b))
have maximum leverage
((c))
avoid damage to workpiece
((d))
get a proper grip

Show Answer

Answer: ((a))

avoid injury to hand

131

The colour of the negative plates of a lead acid battery is:

((a))
Black
((b))
White
((c))
Brown
((d))
Grey

Show Answer

Answer: ((a))

Black

132

The track rod is connected to the track arm by a_________.

((a))
ball joint
((b))
stub axle
((c))
king pin
((d))
universal joint

Show Answer

Answer: ((a))

ball joint

133

Theoretically, ignition in an engine should occur at:

((a))
BDC at the start of the power stroke
((b))
TDC at the end of the compression stroke
((c))
TDC at the start of the compression stroke
((d))
BDC at the end of the induction

Show Answer

Answer: ((a))

BDC at the start of the power stroke

134

The sensor which measures the outside air entering the engine:

((a))
Mass air flow sensor (MAF)
((b))
Throttle position sensor (TPS)
((c))
Manifold Absolute pressure sensor (MAP)
((d))
Oxygen sensor

Show Answer

Answer: ((a))

Mass air flow sensor (MAF)

135

Which fire extinguisher is suitable for live electrical fire?

((a))
CO₂
((b))
Liquefied chemical
((c))
Water filled
((d))
Halon

Show Answer

Answer: ((a))

CO₂

136

Rotary motion of the steering wheel is converted into a reciprocating motion by the ______.

((a))
track rod
((b))
steering gear box
((c))
stub axle
((d))
track arm

Show Answer

Answer: ((a))

track rod

137

Which component acts as the drive device in the automobile air conditioning system?

((a))
Condenser
((b))
Receiver
((c))
Compressor
((d))
Evaporator

Show Answer

Answer: ((a))

Condenser

138

A 12-V lead acid battery consists of:

((a))
six cells in parallel
((b))
three cells in series
((c))
three cells in parallel
((d))
six cells in series

Show Answer

Answer: ((a))

six cells in parallel

139

Which of the following is NOT a part of the MPFI system?

((a))
Throttle position sensor
((b))
Electronic fuel injector
((c))
Carburettor
((d))
Electrical fuel pump

Show Answer

Answer: ((a))

Throttle position sensor

140

The fuel injection timing in a distributor type injection system is controlled by: (Choose the correct option)

((a))
changing the number of cams on the ring
((b))
rotating the cam ring
((c))
changing the plunger stroke
((d))
changing the speed of the rotor

Show Answer

Answer: ((a))

changing the number of cams on the ring

141

Spark plug of automobile consist of two electrodes one is ground electrode and the other is:

((a))
Dielectric electrode
((b))
Zero electrode
((c))
Central electrode
((d))
Right electrode

Show Answer

Answer: ((a))

Dielectric electrode

142

Taps are re-sharpened by grinding:

((a))
diameter
((b))
threads
((c))
flutes
((d))
relief

Show Answer

Answer: ((a))

diameter

143

CRDI stands for:

((a))
Common Regular Direct Interval
((b))
Common Rack Direct Injection
((c))
Common Rail Distributor Injector
((d))
Common Rail Direct Injection

Show Answer

Answer: ((a))

Common Regular Direct Interval

144

Identify the locking arrangement in the following figure.

((a))
Wire fasteners
((b))
Corrugated head screw
((c))
Tab washers
((d))
Castle nut with split pin

Show Answer

Answer: ((a))

Wire fasteners

145

The viscosity of a fluid offers resistance to:

((a))
flow
((b))
sound
((c))
light
((d))
current

Show Answer

Answer: ((a))

flow

146

What is the purpose of a fog light?

((a))
To produce yellow light rays during mist/fog
((b))
To read the working of gauges
((c))
To produce interior illumination
((d))
To indicate the vehicle is being parked.

Show Answer

Answer: ((a))

To produce yellow light rays during mist/fog

147

The centre part of a typical universal joint is called the__________.

((a))
Joint
((b))
Bearing
((c))
Spider
((d))
Trunnion

Show Answer

Answer: ((a))

Joint

148

The chisel will dig into the material when:

((a))
the rake angle is more
((b))
the angle of inclination is more
((c))
the angle of inclination is too low
((d))
the clearance angle is too low

Show Answer

Answer: ((a))

the rake angle is more

149

Which type of lifting equipment is used in service stations for servicing of vehicles?

((a))
Hydraulic jack
((b))
Hydraulic press
((c))
Hydraulic hoist
((d))
Arbor press

Show Answer

Answer: ((a))

Hydraulic jack

150

Which type of fuel injection pump has a plunger and barrel assembly for each cylinder of the engine?

((a))
Distributor pump
((b))
Inline pump
((c))
CRDI pump
((d))
Feed pump

Show Answer

Answer: ((a))

Distributor pump

151

Gear box and differential together are enclosed in a box, which is called the _______.

((a))
Multi-axle
((b))
Transaxle
((c))
Gear box
((d))
Transfer case

Show Answer

Answer: ((a))

Multi-axle

152

Which of the following is required between the ring gear and the pinion gear to allow for heat expansion and lubrication?

((a))
Shims
((b))
Hole
((c))
Pits
((d))
Backlash

Show Answer

Answer: ((a))

Shims

153

Maximum oil pressure in the lubrication system is controlled by the _________.

((a))
pressure relief valve
((b))
pressure switch
((c))
oil filter
((d))
pump rotor

Show Answer

Answer: ((a))

pressure relief valve

154

What controls the fuel metering and delivering in the MPFI system?

((a))
Relay
((b))
Fuse
((c))
Fusible link
((d))
Electronic control module

Show Answer

Answer: ((a))

Relay

155

Pneumatic study deals with the study of systems operated with:

((a))
water
((b))
solid
((c))
air
((d))
oil

Show Answer

Answer: ((a))

water

156

In distributor-less ignition systems, ignition can be adjusted manually by:

((a))
It cannot be adjusted manually.
((b))
adjusting screws
((c))
centrifugal weights
((d))
vacuum

Show Answer

Answer: ((a))

It cannot be adjusted manually.

157

In a multi-cylinder engine, which of the following arrangements is considered to be the simplest?

((a))
V-engines
((b))
Cylinders in-line
((c))
Horizontally opposed type
((d))
Radial

Show Answer

Answer: ((a))

V-engines

158

Which of the following does not require a coolant during reaming?

((a))
Aluminium
((b))
Copper
((c))
Cast iron
((d))
Steel

Show Answer

Answer: ((a))

Aluminium

159

An alternator is generally fitted at ________ of the engine.

((a))
rear side
((b))
front side
((c))
centre
((d))
bottom side

Show Answer

Answer: ((a))

rear side

160

Which of the following (gears) converts rotary motion into linear motion?

((a))
Rack and pinion
((b))
Herringbone gear
((c))
Worm gear
((d))
Helical gear

Show Answer

Answer: ((a))

Rack and pinion

161

Which of the following is used to check the gap between contact breaker points?

((a))
Micrometer gauge
((b))
Wire gauge
((c))
Vernier gauge
((d))
Feeler gauge

Show Answer

Answer: ((a))

Micrometer gauge

162

A turbocharger is mounted on the _________.

((a))
inlet manifold
((b))
front of the engine block
((c))
flywheel side
((d))
exhaust manifold

Show Answer

Answer: ((a))

inlet manifold

163

The exhaust manifold in small diesel engines is made of:

((a))
Aluminium
((b))
Copper
((c))
Cast iron
((d))
Brass

Show Answer

Answer: ((a))

Aluminium

164

Which of the following is NOT a heat treatment process?

((a))
Normalising
((b))
Tempering
((c))
Machining
((d))
Annealing

Show Answer

Answer: ((a))

Normalising

165

Ammeter is connected to circuits in:

((a))
series or parallel
((b))
Open
((c))
Parallel
((d))
Series

Show Answer

Answer: ((a))

series or parallel

166

A bent snip is used for:

((a))
bending a sheet
((b))
making holes on a sheet
((c))
removing the burr
((d))
cutting a sheet along a curved line

Show Answer

Answer: ((a))

bending a sheet

167

Which of the following is used to measure the ovality of a cylinder bore?

((a))
Pressure gauge
((b))
Height gauge
((c))
Dial bore gauge
((d))
Vacuum gauge

Show Answer

Answer: ((a))

Pressure gauge

168

The taper shank drills are held on machines by means of:

((a))
Chucks
((b))
Vices
((c))
Drifts
((d))
Sleeves

Show Answer

Answer: ((a))

Chucks

169

In rear axle, what is used between the axle retainer plate and the housing to limit axle end play?

((a))
Spring washers
((b))
Shims
((c))
Thrust washers
((d))
Spring

Show Answer

Answer: ((a))

Spring washers

170

Headlights are also used as:

((a))
side indicators
((b))
signalling devices
((c))
stop indicators
((d))
heating devices

Show Answer

Answer: ((a))

side indicators

171

In an automatic transmission system, on gear shifting, lever R indicates:

((a))
Reverse
((b))
Parking
((c))
Forward
((d))
Drive

Show Answer

Answer: ((a))

Reverse

172

Which part of the piston is subjected to high pressure and temperature?

((a))
Skirt
((b))
Crown
((c))
Ring section
((d))
Lead

Show Answer

Answer: ((a))

Skirt

173

In diesel engines, fuel and air are mixed in the __________.

((a))
inlet port
((b))
combustion chamber
((c))
carburettor
((d))
injector

Show Answer

Answer: ((a))

inlet port

174

The opening and closing of the valve in relation to the piston movement is called:

((a))
valve mechanism
((b))
valve timing
((c))
valve operation
((d))
valve overlap

Show Answer

Answer: ((a))

valve mechanism

175

Which tool is used to remove and refit valves in a cylinder head?

((a))
Valve bend remover
((b))
Valve spring aligner
((c))
Valve spring remover
((d))
Spring tension tester

Show Answer

Answer: ((a))

Valve bend remover

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