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1
In which year was the first automobile built?

1769

2
What is factor considering when buying a car ?

Design

3
Which factor is showed about economy of car

Fuel comsumption

4
What is material used for frame of automobile ?

Steel

5
What is material used for cover of catalytic converter

Stainless steel

6
A ______________ is a wheel of a motor vehicle that transmits force

Drive wheel

7
what is the amount of money you get when you sell your car

Resale value

8
The phrase to talk about “ How much petrol or diesel the car uses ”

Fuel consumption

9
What is showing items inside the car ?

Interior features

10
Why is frame of car made from Steel ?

Capability to absorb impact energy

11
Which of these is not necessary for the description of an automobile?

Colour

12
Which of these is necessary for the description of an automobile?

All of the mentioned

13
Which of these cars is a Crossover SUV?

Nissan Pathfinder

14
Which of these is a compact executive car?

Audi A4

15
What is the power delivered by the engine to the crankshaft called?

Brake power

16
The torque available at the contact between road and driving wheel is called

Tractive effort

17
The force that opposes the motion of a vehicle is

All of the mentioned

18
Wind or air resistance depends on which of the following factors?

All of the mentioned

19
Gradient resistance for a vehicle depends on which of the following factors?

Weight of the vehicle

20
Two door and four door type automobiles are classified as

Sedan

21
Which of these falls under LMV(Light Motor Vehicle) category based on capacity?

Cars

22
Most of the ______________ vehicles have automatic transmission.

American

23
A 4*2 drive vehicle implies that

It has 4 wheels out of which 2 are drive wheels

24
A delivery van falls under the category of which type of vehicles.

Light goods vehicles

25
Abbreviation HEVs stands for what

Hybrid Electric Vehicles

26
In Automobile, what does SUV stand for ?

Sport Utility Vehicle

27
Trucks and Buses use which type of fuel ?

Diesel

28
A conventional suspension system uses which of these?

Leaf Springs

29
A heat engine converts heat energy from fuel combustion or any other source into which type of work ?

Mechanical work

30
Which of these is a power absorbing heat engine ?

Air compressor

31
The firing order in case of four cylinder inline engines is usually

Either 1-3-4-2 or 1-4-3-2

32
In case of four cylinder opposed cylinder engines the firing order is

1-4-3-2

33
In case of four cylinder inline engine the number of firing strokes in one revolution of crank is

2

34
In four cylinder engines the ignition advance depends on

Quality of fuel and engine speed

35
Ignition advance is expressed in terms of _________ ?

All of the mentioned

36
Sir Rudolf Diesel invented diesel engine in which year ?

1913

37
In internal combustion engine the approximate percentage of the combustion heat that passes to the cylinder walls is _________ ?

30%

38
In a four stroke S.I engine the exhaust valve usually opens ______ ?

35 degree to 60 degree before BDC

39
In a diesel engine the pressure during combustion may increase to a range at _________ ?

55-75 atm

40
The pressure in an engine cylinder is less than atmospheric pressure when the engine is performing which stroke ?

Suction

41
Kinds of mechanical properties

Strength

42
Kinds of physical properties

Density

43
Kinds of chemical properties

a&b

44
Kinds of manufacturing properties ?

All correct.

45
Types of engineering materials

3

46
Find suitable words with phrase “ Formed by mixing other metals or elements ”

An alloy

47
Find suitable words with phrase “ Allows heat or current to flow easily ”

A conductor

48
Find suitable words with phrase “ Does not allow heat or current to flow easily”

An insulator

49
The bulk of hydrocarbon belongs to which group?

paraffin

50
Which of these is not a lighter fraction of fuel oil ?

boiler fuel

51
Which of the following type of fuel does not contain ash ?

natural gas

52
Which of these gases is the reason for the maintenance of natural gas at cryogenic temperatures ?

methane

53
The gas which contributes maximum to heating value of natural gas is ?

CH4

54
A coal containing high percentage of durian is called _________ ?

splint

55
Which types of wheels cannot be used with a tubeless tire ?

Wire wheel

56
Which type of wheels is preferred in sports cars ?

Magnesium alloy wheel

57
In case of a wire wheel, the vehicle weight is supported by the wire in _________

Tension

58
Where will an underinflated tire wear the thread most?

Near the edge

59
Where will an overinflated tire wear the thread most?

Near center

60
What do the permissible of mixing cross-ply and radial-ply automobile tires allow?

Cross-ply tires on front wheels

61
What is the purpose of tire rotation on automobiles?

Equalize wear

62
Which are the two materials used in a bimetallic piston?

Aluminum and steel

63
By adding which of the following material to aluminum alloy piston slap can be avoided?

Silicon

64
Which among the following casting process is used in the casting of the piston?

Gravity die casting

65
In a disc brake, which component provides the pad-to-disc adjustment?

Piston seal

66
On what principle does the braking system in the car work?

Frictional force

67
Which of the following is not a method to avoid piston slap?

Increase the size of the piston skirt

68
Which is the material used to wound on a wire wound piston?

Steel

69
Which among the following type is named when the silicon content is 12% in an aluminum alloy?

Eutectic

70
Which of the following is the main reason for a burnt piston?

Detonation

71
Which material is coated on the piston to increase the service life?

Tin

72
Which of the following material is used in the manufacturing of the connecting rod?

Steel

73
What is the percentage of carbon present in a medium carbon steel type connecting rod?

0.35-0.45

74
In splash lubrication, the spout is attached to with part of the connecting rod?

Big end

75
Which among the following material is plated on the cylinder liner to improve the resistance to corrosion and wear?

Chromium

76
Which type of casting process is used to cast cylinder liners?

Centrifugal casting

77
Which among the following material is most commonly used in the manufacturing of cylinder liner?

Grey cast iron

78
What is the percentage of carbon present in a cast steel type crankshaft?

1.35-1.6

79
Exhaust manifolds are usually made of what material?

Cast iron

80
Which of the following material is the most commonly used in the construction of crankshaft?

Cast steel

81
Camshaft gear is made from which material?

Bakelite

82
Cylinder liner materials are made of alloy iron containing

All of the mentioned

83
Aluminium cylinder blocks require __________

Cast iron Liners

84
Which of the following is the most important property of the lubricant?

Viscosity

85
Which of the following viscosity indices shows the larger changes in viscosity with temperature?

10

86
Which of the following of oils is multi-grade oil?

SAE 10W 30

87
Which of the following oils has the highest viscosity?

SAE 50

88
Which of the following is not a part of the transmission system?

Wheels

89
The electrical system of an automobile contains which of the following?

All of the mentioned

90
The electrical system of an automobile contains which of the following?

Lighting systems

91
An engine is a machine designed to convert one form of ________ into mechanical energy?

Energy

92
Heat engines burn a ________ to create heat which is then used to do work.

Fuel

93
Combustion process of the air-fuel mixture is ________ by a spark from a spark plug.

Ignited

94
Piston is a cylindrical unit, used to compress the charge during ____________

Compression stroke

95
The pistons of IC engines are usually made of ______________

Aluminium alloy

96
The ___________ is called the backbone of an engine

Crankshaft

97
The major function of the camshaft is to operate the ___________ valves

a&b

98
The camshaft is __________ by crankshaft at half the speed of the crankshaft

Driven

99
Fuel and air is compressed in the ________________chamber

Combustion

100
The function of crankcase in two stroke petrol engines is _________

It forms a pressurised chamber for fuel air mixture

101
Connecting rod is attached to the piston by the ___________

Piston pin

102
Engine pistons are generally made of aluminium alloy because ______

It is lighter

103
Piston compression rings are made of _____________

Cast iron

104
What type of material is used for Gudgeon pin?

Steel alloy of high strength

105
When no.1 piston of a four cylinder in line four stroke engine is performing the power stroke, no.4 piston is on the stroke called _______

Suction

106
Two stroke engine is preferred for small vehicle because

Its size is small

107
The size of intake valve is

Larger than that of the exhaust valve

108
A negative loop in the P.V diagram of ann IC engine is due to

Suction of air for engine

109
Piston displacement is calculated from the

Bore and stroke

110
The range of gear ratios in a vehicle depends on

Max.engine torque/wt. of vehicle

111
If compression ratio is increased

Air standard efficiency will be increased

112
The combustion process in a diesel engine is

Constant pressure process

113
The temperature of the compressed air should be __________________of the fuel

Above the flash point

114
The purpose of crankcase ventilation is to __________ a.

The purpose of crankcase ventilation is to

115
The purpose of crankcase ventilation is to

Remove vaporised water and fuel

116
The purpose of a piston pin is that

It connect the piston to the connecting rod

117
The engine produces mechanical power that is transmitted to the automobile’s wheels through a

drivetrain system.

118
systems provide control over direction and speed

Steering and braking

119
The piston _____ in the cylinder bore to evacuate the combustion chamber.

Moves downward

120
A petrol engine, whether four- or two-stroke, is called a _____

Spark Ignition engine

121
There are two methods by which fuel is injected into a combustion chamber, they are _____.

Direct or indirect injection.

122
Spark plug are mounted inside

crank case

123
Which of the following provides passages for flow of cooling water?

Cylinder head

124
For retaining compression in the cylinder, a flat piece of ___________ is placed between the cylinder head and cylinder block.

Gasket

125
The main advantage of using aluminium alloy for cylinder head is ____________

High thermal conductivity

126
Inter-metallic corrosion between steel studs and aluminium alloy lead to

Cylinder head stick to cylinder block

127
Why cylinder head cast as a separate piece?

Easy removal

128
is combination of fibre and cork granules that is more compressible and resilient.

Felicoid

129
Which of the following oil pan gaskets are not affected by oil and grease?

Felcoperne

130
Which of the following is not the type of manifold gaskets?

shimbestos

131
is attached to the bottom face of cylinder block

crank case

132
The cylinder block and upper half of the crank case are cast by _________ material.

Semi-steel

133
serves as a cooling and ventilation of engine lubricating oil

oil sump

134
A heat engine converts heat energy from fuel combustion or any other source into which type of work

Mechanical work

135
A steam engine comes under the category of

External combustion engines

136
Which of these is a power absorbing heat engine?

Air compressor

137
Which of these is a type of reciprocating steam engine?

All of the mentioned

138
A gas undergoes step 4 in Carnot cycle. Which of these processes describes the 2nd step?

Isentropic compression

139
Thermal power plants operate on which of these cycles?

Rankine cycle

140
The efficiency of a combined cycle gas turbine(steam cooled) can range as high as

60%

141
The torque available at the contact between road and driving wheel is called

Tractive effort

142
The engine produces mechanical power that is transmitted to the automobile’s wheels through a drivetrain.

All correct.

143
SUVs is a

Sport-utility vehicles

144
Power is produced during

combustion stroke

145
An SI engine is:

a type of internal combustion engine

146
The two-stroke engine does not use _____

inlet and exhaust valves

147
The transmission is a gear system that adjusts the ratio of engine speed to wheel speed.

gearbox

148
The drive shaft is used to _____ the transmission output shaft to the differential input shaft.

connect

149
The gear ratio also _____ fuel economy.

affects

150
Engine, clutch, transmission, drive shaft, differential and driven wheels are elements of drivetrain system

False

151
Which of these is not a power loss which takes place between engine and driving wheel?

None of the mentioned

152
The force that opposes the motion of a vehicle is

All of the mentioned

153
Rolling resistance doesnot depend on which of the following factors

Radius of driving wheel

154
For an average type of road surface what percentage of vehicle’s weight constitutes rolling resistance?

1 to 2%

155
Wind or air resistance depends on which of the following factors?

All of the mentioned

156
The value of coefficient of air resistance for average cars is approximately equal to

0.0032

157
One Horse Power(H.P) is approximately equal to _____ Watts.

746

158
Gradient resistance for a vehicle depends on which of the following factors?

Weight of the vehicle

159
Power to weight ratio for high performance cars can range up to

230

160
Which of the following is not a major part of the crankshaft?

Water pump

161
How many types of crankshaft construction are used universally?

2

162
What does inlet manifold carry to the engine?

Air+ fuel

163
Manifolds are connected to which part of the engine?

Cylinder head

164
In the petrol engine, the inlet manifold carries the air-fuel mixture from which part to the cylinder?

Carburetor

165
The manifold must be larger enough to allow sufficient flow for what?

Max power

166
Exhaust manifold is connected to which part of the engine?

Cylinder head

167
The exhaust manifold is designed to withstand what?

Heat

168
The surface of the exhaust manifold is made smooth to minimize the restriction of what?

Exhaust gas

169
Which of the following helps in the uniform speed of crankshaft despite uneven power impulses of the engine cylinder?

Flywheel

170
How much percentage of the cylinder bore size concerningthe thickness of the crank web?

20

171
In a four stroke cycle engine camshaft revolves at ______ the crank speed.

Half

172
The gears on camshaft and crankshaft are known as

Timing gears

173
The material known as high carbon high copper chrome silicon cast steel is used for making

Camshaft

174
Crankshafts are usually constructed by

Drop forging

175
Crankshafts are usually constructed b

Drop forging

176
The crankshaft rotates the camshaft usin

Chain drive

177
The crankshaft should be inspected for

All of the mentioned

178
If there are 7 clutch plates in a multi-plate clutch, what is the number of pair of contact surfaces?

6

179
. Which of the following contains no linkage between the clutch and the pedal?

Clutch – by – wire

180
Where is the clutch located?

Between transmission and engine

181
Which of the following parts of the cover assembly that hold the pressure plate against the clutch plate?

Springs

182
Which of the following is the coefficient of friction of the clutch plate?

0.4

183
What does the venturi in carburetor cause?

Increase of air velocity

184
Where does the power for mechanical fuel pump come from?

Camshaft

185
How can a two-stroke engine identify by?

Absence of valves

186
At which stroke the fuel is injected in the CI engine?

Compression stroke

187
The stroke of an engine is the

Distance between TDC and BDC

188
In a four stroke engine each cylinder has

Two valves

189
The valve is opened as the cam lobe on the cam raises the

Valve lifter

190
Which of the following is the need of the gearbox?

To vary the torque of the vehicle

191
In which type of manual transmission the double-declutching is used?

Constant-mesh gearbox

192
Where is the overdrive located?

Between transmission and propeller shaft

193
Which of the following is not part of automatic transmission?

Sliding mesh gearbox

194
Why are the helical gears used commonly in transmission over spur gears?

Low noise level and high strength

195
Increase of torque in a vehicle is obtained by decreasing power.

False

196
Which types of joints are used when the shafts are inclined?

Universal joint

197
Why do the hypoid gears require special lubricant?

There is relative motion between teeth

198
What is the need of the universal joint?

To transfer torque at an angle

199
A two-piece propeller shaft requires one universal joint.

False

200
Which of the following is not considered while deciding the optimum firing order of the engine?

Engine configuration

201
Why is the Dwell meter used?

To set the contact breaker gap

202
On which condition does the vacuum advance mechanism shift the ignition point?

Under part-load operation

203
The conventional direction of electric field is

Positive to negative

204
Electric field originates at

Positive charge

205
Electric field terminates at

Negative charge

206
Which among the following statements is true with regard to electric field lines?

Electric field lines never intersect

207
A field that spreads outwards in all directions is

Radial

208
The insulant between the two plates of a capacitor is called

Dielectric

209
Which of the following depends on charging and discharging rate of a capacitor?

Time constant

210
What is the initial current while charging a capacitor?

High

211
What is the final current while charging a capacitor?

Zero

212
Capacitor is a device used to

store electrical energy

213
Capacitor stores which type of energy?

potential energy

214
Capacitor blocks__________ after long time.

direct current

215
Which of the following is a passive device?

Capacitor

216
For which medium capacitance is high?

Metal

217
Which component in the DC generator produces a magnetic field?

Carbon brushes

218
Which component in alternator produces a magnetic field?

Rotor

219
Rotor

Higher

220
In an alternator, which component controls the output?

Voltage regulator

221
What is the material of an alternator frame?

Aluminum

222
If the lead-acid cell has a total of 17 cells, then what is the number of positive plates?

8

223
Which of the following is not an advantage of the alternator?

High efficiency

224
Field coils in a generator produce permanent magnet.

False

225
What is the colour of a positive plate of a lead-acid battery?

Brown

226
What gets deposited on the plates of a discharged lead-acid battery?

PbSO4

227
What is the number of positive plates in a battery cell?

One less than the negative plates

228
What is a maintenance-free battery?

A battery having lead-calcium plate grid

229
Which of the following is the advantage of alkaline battery?

The specific gravity of electrolyte remains the same

230
Which of the following is the best method to measure the speed?

Magnetic pickup

231
The function of the ignition system is to _____________ the flame propagation process.

initiate

232
The total enthalpy required to cause the flame to be self sustaining and promote ignition, is given by the product of the surface area of the spherical flame and the enthalpy per unit area.

True

233
A spark can be caused by applying a sufficiently low voltage between two electrodes separated by a gap.

False

234
An ignition process obeys the law of

conservation of mass b) conservation of energy

235
As air is poor conductor of electricity an air gap in an electric circuit acts as a high

resistance

236
An ignition system should provide a good spark between the _____________ of the plugs at the correct timing.

electrodes

237
An ignition system should be heavy, effective and reliable in service.

False

238
The interference from the low voltage source should not affect the functioning of the radio and television receivers inside an automobile.

False

239
An FWD layout means the car has a four-wheel traction.

False

240
What is the idling RPM of a motorcycle petrol engine?

1200RPM

241
Anything which burns in the presence of ______ is known as combustion.

air

242
What was used as fuel during the early invention of IC engines?

Gun-powder

243
Otto cycle is used in which engine?

Petrol engine

244
Who invented the first car which used gasoline as fuel?

Karl Benz

245
How many power strokes are produced in a 4-stroke diesel engine running at 1500RPM?

750

246
Which of the mentioned below is not a component of the IC engine?

Wheel

247
The black smoke coming out of a petrol engine is due to what particles?

Carbon particles

248
Which is the first company to use assembly line mode for the production of cars?

Ford

249
Which of the mentioned below is the external combustion engine?

Steam engine

250
The Wankel engine is also called a Rotary engine.

True

251
Earlier, which material was used in pistons?

Cast iron

252
Why aluminum alloy pistons are used in highly rated engine?

Due to the piston speed

253
Cast iron pistons were used in low-speed cars, why?

Due to low-speed piston

254
Why aluminum alloy pistons need more clearance?

Thermal expansion

255
Why cast iron was used in pistons earlier?

Availability

256
Which is the electrolyte used in Li-ion battery?

Lithium-based gel

257
Which of the following statement is true for the movement of electrons concerning the direction of current?

Opposite direction of current

258
Which is the material used to as anode in a lithium-ion battery?

Aluminum foil coated with graphite

259
Which of the following is formed at the graphite electrode during the charging process of a battery when the lithium-ion move through the separator?

Lithium carbide

260
What is the maximum storage temperature in degree centigrade of a Li-ion battery?

60

261
Which of the following material is used as separator material in Lithium-ion battery?

Plastic

262
Which test is used to determine the evaporative emissions from an engine?

SHED test

263
Which test is used to measure a coating’s resistance to abrasions?

Gravelometer testing

264
Which gases cannot be measured in emissions bench testing?

Ethane

265
An engine has a bore diameter of 160mm, what is the maximum number of studs in the engine?

8

266
Which of the following material is used in the manufacturing of studs?

Steel

267
Which are the two forces experienced by the center crankshaft?

Bending and torsional

268
Which material is used for crankshaft?

Plain carbon steel

269
Which of the following statements is not correct with respect to alcohols as alternate fuel?

Anti-knock characteristics of alcohol are poor

270
Why a small amount of gasoline is added to alcohol?

To improve cold-weather starting

271
What is a dual fuel engine?

he engine which uses gaseous and liquid fuel

272
Which of the following has the same combustion as HCCI (Homogeneous Charge Compression Ignition) engine?

Hybrid of both SI and CI engine

273
Which of the following is true for the HCCI engine?

Pre-catalyst hydrocarbon emissions are higher

274
For which of the following engine lean-burn concept is ideal?

SI engine

275
By which technique can the charge stratification be achieved?

Injection as well as carburation

276
Which of the following is true for stratified charge engine?

Multi-fuel capabilities

277
What is true about the Wankel engine?

It has a longer operating cycle

278
Where is the variable compression ratio used?

SI engine

279
Which of the following is true for stratified charge engine?

It has multi-fuel capabilities

280
Which of the following is true about the Stirling engine?

High efficiency, quiet operation and compatible with renewable energy

281
Which of the following is one of the major exhaust emissions from CI engines compared to SI engines?

Particulates

282
Which of the following causes the photochemical smog?

NOx and HC

283
What does the blue smoke in diesel engine indicate?

Unburnt oil

284
During which condition of the vehicle does NOx emission in SI engine will be lowest?

Idling

285
For what purpose is the Rhodium used?

To reduce NOx

286
Why is the fumigation technique used?

To control smoke

287
Why are lead compounds added in petrol?

Reduce HC emission

288
Which of the following cannot be reduced by thermal converters?

NOx

289
What can be reduced by using exhaust gas recirculation (EGR) effectively?

NOx

290
Three-way catalytic converters reduce the emission of CO, HC, and soot.

False

291
On which of the following does brake mean effective pressure (BMEP) in an engine depend upon?

Speed and power

292
What is gasohol?

10% ethanol + 90% gasoline

293
Which of the following is a disadvantage of hydrogen as a fuel in IC engine?

Detonating tendency

294
Which of the following is the advantage of the hydrogen as a fuel?

No HC and CO emissions

295
What is the major disadvantage of LPG as a fuel in the automobile?

Reduction in the life of the engine and less power compared to gasoline

296
Why alcohols cannot be used in CI engines?

Alcohols have high self-ignition temperature and low latent heat of vaporization

297
Which of the following is the major constituent of natural gas?

Methane

298
What is octane number of natural gas?

80-100