Bronze Master Question Bank - Theory Viva

S. No. Question Option A Option B Option C Option D Answers

1For checking the low pressure of diesel fuel injection

system the gauge should be installed.Before fuel filter After fuel filter Before common rail Both A & B D

2 While checking the resistance of any circuit .. Ignition On Ignition OFF Engine Start Any of these B

3 The function of 'charcoal' in the charcoal canister is to------- Absorb water vaporAbsorb carbon

monoxide.Adsorb petrol vapor. Absorb liquid gasoline. C

4What is the ratio of air-fuel mixture, that enters into the

engine, to be maintained for the effective functioning of a

three-way catalytic converter?

10.5 : 1 9.5 : 1 14.7 : 1 17 : 1 C

5 Function of MAP sensor in Alto (MRFC08) is to sense------ Intake fuel pressure. Intake air temperature Manifold absolute

pressureManifold temperature C

6 How many keys can be registered in swift Diesel BS IV 5 3 4 2 C

7While registration of vehicle variant In MARUTI diesel

vehicles, immobilizer cable is required. True FALSE B

8According to Euro IV norms maximum allowable CO

emission from the vehicles is------0.5 0.02 0.05 0.1 A

9 "In Zen Estilo DTC in ECM can be erased by using SDT,

instead of disconnecting the cable from battery negative

terminal." This statement is-------

True False A

10What is the name of the coupler, where SDT is connected

in MARUTI Vehicles? Data Transfer Connector Data Line Connection Data Link Connector Data Line Coupler C

11 In which mode EGR step duty can be checked in SDT? Data list Trouble code Tool utilities Active Test D

12What is meant by engine data parameter 'FUEL-CUT - OFF'

indicated by SDT? Fuel is injected by injector

No fuel is injected by

injector

Fuel Pump is switched

ON


OFFA

Theory Question Paper - Bronze Master Exam

13Which part could be defective if the engine oil & coolant is

mixed in MARUTI Petrol vehicle?Cylinder Head Oil Pan Timing Cover Intake Manifold A

14Which of the following model is having plastic range bolts

on the cylinder head?Swift-D A Star SX4 None of the above B

15What is the air gap between camshaft rotor and CMP

sensor in Wagon-R (Euro IV)?0.2-0.4mm 2.0-4.0mm 0.4-0.6mm 0.02-0.04mm D

16Which of the is the sequence of coolant circulation in water

cooled four stroke engines?pump-radiator-block-head.

pump-block-head-

radiator.

pump-block-radiator-

head.

pump-radiator-head-

blockB

17What is the tightening torque of oil filter in K10B engine -----

----14 Nm 13 Nm 15 Nm 14.5 Nm A

18Maximum oil pressure in the lubrication system is

controlled by--------Oil filter Pump rotor. Pressure relief valve. Pressure switch C

19 The oil cooler is available in lubrication system of-------- A Star Swift- D Swift P SX 4- P B

20 From the oil pump the oil goes directly to-------- oil gallery oil strainer. oil filter. main bearings. C

21 What is the grade of transmission oil In Swift-D? 80W90 75W90 Dexron-II HD 90 B

22 What is the purpose of fuses and circuit breakers?

To protect the circuit and

components from

excessive current flows or

voltage

To protect the circuit

and components from

excessive resistance that

is over the safe

operating limits as

specified by their

manufacturer

A

23 To conduct a 'continuity' test, circuit power is On Off B

24 What is the function of the ignition coil? It creates the spark at the

spark plug

It ignites the air fuel

mixture in the engine

It raises the voltage

from the battery None of the above C

25 The purpose of a distributor in ignition system is to

Distribute the high-tension

voltage surges to the

individual spark plug at the

correct point in the engine

cycle

Distribute the high-

tension voltage surges

to individual spark plugs

in the correct sequence,

at the correct time in

the engine cycle

B

26 What components do the spark plug leads connect? Coil (or coil packs) and the

spark plug

Electronic control unit

and the spark plugB

27Which is the most common oil filtering system employed

on automotive vehicles? Full flow By-Pass Half-pass Treble-pass B

28 Generally, the initial ignition timing is checked at Idle speed High idle speed 1500 rpm No specific engine

speedA

29What assists in controlling lateral movement of the

crankshaft? Main bearing shells Big end bearings

Crankshaft lateral

bearings

Crankshaft thrust

bearingsD

30 The camshaft of an overhead valve train is driven by Timing sprocket Timing gear Timing chain or belt Timing idler belt or

sprocketC

31To return the inlet and exhaust valves to their seats after

opening by the cam, most four-stroke engines use Pressure differential Gravity Springs Force Mechanical levers C

32In a four-stroke engine which stroke occurs immediately

before the power stroke? Combustion Exhaust Intake Compression D

33 The purpose of the crankshaft is to Convert reciprocating

motion into rotary motion

Join the connecting rods

to the pistons

To allow continuous

movement of the

pistons

Hold the connecting

rods togetherA

34A vehicle with two doors and a fixed roof is commonly

referred to as a Sedan Coupe Convertible Hatch B

35 A fully-charged 6 cell automotive battery should indicate 12V 12.6V sp. Gravity of 1.290 at

32oC Both B and C D

36With the increase of battery temperature, the specific

gravity of electrolyte increases decreases stays the same none of these B

37The ratio of the distributor shaft and the crankshaft speeds

is one one-half one-fourth two B

38The capacity of a battery is determined by the number of

plates per cell and number of cells shape of plates size of plates Number of separators A

39All of these statements are true about the operation of the

EGR emission control system except

The EGR valve allows

exhaust gases to enter the

intake manifold

The EGR valve is open

at engine idle

The EGR system

reduces NOx emissions

The EGR system

reduces combustion

chamber temperatures

B

40Reducing the compression ratio of an engine reduces the

combustion temperatures and this

Reduces the amount of

NOx formed

Increases the amount of

NOx formed


Hc formed


H2O formedA

41 One method of reducing NOx in the exhaust gas is to Increase valve overlap Reduce valve overlap Prevent valve overlap All of the above A

42If the oxygen concentration is low in exhaust gas , the air

fuel mixture is Lean Rich About right None of the above B

43 Missing in one cylinder may result from a clogged exhaust an over heated engine a vapor lock a defective spark plug D

44 Valve overlap occurs between intake and compression

strokes

compression and power

strokes

power and exhaust

strokes

exhaust and intake

strokesA

45 The war page of cylinder head is checked with a metal rule vernier caliper micrometer dial gauge A

46While lapping a valve, the lapping compound is applied to

its face stem guide tip A

47The stem clearance in the valve guide is checked by means

of a metal rule vernier caliper micrometer dial gauge C

48 A radiator cap contains a Pressure valve thermostat valve blow-off valve pressure and vacuum

valveD

49 The purpose of the thermostat is to keep the engine Hot Cool At operating

temperature None of the above C

50 Lean air-fuel mixture is required for starting idling cruising acceleration B

51 The throttle valve controls the supply of air only fuel only air fuel mixture none of these A

52The amount of fuel delivered by the injector depends upon

the size of injector nozzle

pressure pushing fuel

through the injector

length of time the

injector is open all the above factors D

53 A glow plug is a decompression device installed in the inlet

manifold

screwed into the

combustion chamber

used to plug the leakage

of fuelC

54 The special tool used to Ream valve guide bore is 5 mm Reamer 7 mm Reamer 10 mm Reamer 12 mm Reamer A

55 The term 'wheelbase' refers to the measurement of

The center of the front

axle to the center of the

rear axle.

The difference in the

measurements from one

side of the vehicle to the

other side of the vehicle.

The side to side of the

vehicle

The center of the tire

tread to the center of

the tire tread on the

opposite side

A

56 The purpose of the timing chain guides are to To make sure the chain

has the correct tension

To make sure the chain

has an appropriate

amount of lubrication

directed to it

To reduce noise and

vibrations To reduce chain wear A

57Which of these is NOT one of the functions of a radiator

cap?

Increase the boiling point

of the coolant

Prevent the chemical

additives in the coolant

from breaking down

Maintain pressure

inside the radiator

Seal the cooling system

against external

contamination

B

58 A potentiometer-type throttle position sensor:

indicates throttle opening

by means of a variable

frequency signal

cuts off the air supply

when stopping a diesel

engine

indicates throttle

opening by means of a

varying voltage signal

is used to change the

octane rating setting of

the ECM

C

59In EECO vehicle, engine oil is to be replaced during first

service.True FALSE B

60Cleaning condenser fins is a part of periodic maintenance

schedule.True FALSE B

61_____________ is the turning force required to turn or

twist any object.Power Torque Speed B

62Which of these are the benefits of timely air filter

replacement?Less pollution Better mileage Better performance All of the above D

63 Oil pressure relief valve is operated by_________.

Due to increase the oil

pressure more than

specification

Switch Solenoid None of the above A

64 For 20W40 oil, 40 means _________.High temperature viscosity

grade

Low temperature

viscosity grade

Medium temperature

viscosity gradetemperature of oil A

65While filling recommended quantity of engine oil, the oil

level should come up to_________.maximum mark Minimum mark

between maximum and

minimum markcant say C

66Wheel alignment is a part of periodic maintenance

schedule.True FALSE B

67 While inspecting thermostat valve, it opens to a lift

of________.8 mm 5 mm 10 mm None of the above A

68High pressure valve in cooling system allows coolant flow

from__________.Radiator to reservoir Reservoir to radiator No flow into reservoir None of the above A

69 Normal coolant flow sequence is through_______.water pump - Cyl block-

heater core-cyl.head

Water pump-thermostat-

cyl head-cyl block

water pump-cyl block-

cyl head-heater core

water pump-heater core-

cyl head-cyl blockC

70 Cooling system cap in swift diesel is fitted on _________. radiator Coolant reservoir B

71 Thermostat valve is checked by___________. Micrometer Dial gauge Hot water bath SDT C

72 Antifreeze increases the boiling point of coolant. True FALSE A

73In normal condition ABS ( Antilock brake system) reduces

the braking distance.True FALSE A

74 Air Bag (SRS) system can be check by digital multimeter. True FALSE B

75In K-series engine, the valve clearance should be inspected

every__________.10000kms 20000kms 30000kms 40000kms C

76It is preferable to check valve clearance in hot condition

rather than in cold condition.True FALSE B

77If first cylinder is in compression stroke, then both the

rocker arms will be_________.Tight Free

Inlet free and exhaust

tight

Inlet tight and exhaust

freeB

78In BS-IV engines, ignition timing is fixed to 5 degrees BDTC

by using_______.monitor coupler SDT Timing light Dwell meter B

79 SDLI system stands for_______.Sequential distributor less

ignition system

Smart distributor less

ignition system

Single direct line

ignition systemNone of the above B

80 Ignition timing ___________with increase in engine speed. Advances Retards Remains same No change A

81While checking ignition timing, all electrical loads should be

off.True FALSE A

82During engine vacuum test, engine should be at normal

operating temperature.True FALSE A

83While conducting compression test on petrol engine

__________.

Accelerator has to be

depressed

Clutch has to be

depressedBoth of the above None of the above C

84Write down the maximum allowable difference in

compression between 2 cylinders of petrol vehicle.1 kg/cm2 1.5 kg/cm2 2kg/cm2 3 kg/cm2 A

85 The causes of poor compression are______________. Worn out piston ringsDamaged Valves or

Valve Seats

Blown cylinder head

gasket All of the Above D

86Recirculation ball type steering system is available in which

MSIL model.Versa Ritz-diesel Eeco Omni D

87All wheel independent suspension is available in which

MSIL vehicle.A star Wagon R SX4 Grand vitara D

88Pollution is to be checked when engine is operating

at__________.Cold condition

Normal working

temperatureAny condition B

89At the time of deceleration, the fuel injection will be cut-off

for a while.True FALSE A

90 Name the component used for brake force distribution. master cylinder Wheel cylinder Brake booster Proportionate valve D

91 Fully charged battery specific gravity should be_______. 1.117 1.122 1.27 1.388 C

92 Which type of braking system is used in MSIL vehicle? Mechanical brake systemAir assisted hydraulic

brakeAir brake

Vacuum assisted

hydraulic brakeD

93 Rear wheel toe-in can be measured in Swift. True FALSE B

94 Caster and Camber can be adjusted _________. True FALSE B

95 Turbocharger is operated by_________. Intake air Exhaust gas electrical motor None of the above B

96EGR ( Exhaust gas recirculation system) is provided to

reduce _________.HC CO Nox CO2 C

97 Sequential petrol injection: uses a single throttle body

injector

has two injectors for

each cylinder

delivers fuel to each

cylinder on each

induction stroke

must operate the

injectors by pulse width

modulation

C

98 Exhaust gas recirculation valves:

blow hot gas into the

exhaust system to heat up

the catalyst

control the movement

of exhaust gas from the

exhaust system into the

intake system to help

reduce NOx

are not used on diesel

engines

are used to operate

exhaust brakes on heavy

vehicles

B

99 Sensor inputs to the ECM are: used only for generating

fault codes

used to provide data

that enables the ECM to

know the state of

variables, such as engine

speed, air flow etc.

always analogue signals always frequency

signalsB

100 A carbon canister is used: in evaporative emissions

control systems

to provide a reserve

supply of fuel

to allow fuel vapor to

be introduced into the

exhaust system

to improve the cetane

rating of diesel fuelA

101 Function of MAP sensor is to sense intake fuel pressure. intake air temperature intake air pressure manifold temperature C

102 Function of TP Sensor is to sense throttle pressure throttle position throttle polarity throttle puncture B

103 EGR valve operates in MPI vehicles under Idle Condition Low loads High altitudes High loads D

104 ECM Raises the Engine RPM when the A/C is switched ON

by controlling Throttle valve Ignition timing IAC valve Injection Pressure C

105 In case the Ignition Switch of MPI vehicle is switched ON

what will happen? Fuel Pump will remain ON

Fuel Pump will remain

OFF

Fuel Pump will Switch

ON for 2 to C seconds

and then switch OFF

Fuel Pump will Switch

ON for 4 to 5 seconds

and then switch OFF

C

106 In case the main relay is defective, what will happen? MIL will glow Fuel Pump will not start Engine will start Engine will have hard

starting problem B

107 What is the sequence of operation of relays? Main relay - Radiator Fan

Relay - Fuel Pump relay

Fuel Pump relay - Main

relay

Main relay - Fuel Pump

Relay Any sequence C

108 Brake bleeding operation is performed from Any sequence

wheel cylinder farthest

to master cylinder &

then at front caliper on

the same brake line

wheel cylinder nearest


then at front caliper

wheel cylinder nearest


then at front caliper on

the same brake lineB

109 If air is present in the power steering system, what will

happen?

steering wheel may feel

heavy

Power steering may

make humming noise Steering may feel heavy

Steering will feel heavy

& power steering makes

humming noise A

110 In which condition tire rotation is required? front tire wear is different

from the rear

uneven wear exists

across the tread of any

tire

tire wear is unequal

between left and right

tire

all of the above. D

111 In case alternator is not charging the battery, in MPI

vehicle , the battery should be changed in vehicle running

condition.

. True . False B

112 If the exhaust gas is low in oxygen, the air fuel mixture is Lean Rich About right None of the above B

113 The circuit of Fuel injectors are connected parallel True False B

114What is the Valve clearance (in mm.) of Intake side in cold

condition in swift?. 0.13 0.17 . 0.11 0.19 . 0.23 0.27 . None of the above D

115Brake caliper noise can be stopped by using one of the

grease . Servo gem 3 (yellow ) Molex (Black) Silicon (Red ) Lithium C

116 Lamination Wind Shield is used as a safety purpose. True False A

117Wind shield washer spray functioning check to be done at

each service. It is the responsibility of the workshop. True False A

118 Brake Oil of different grades can be mixed. True False B

119While driving down the hill vehicle with 5 speed gear box

should be driven at -2nd Gear 3 rd Gear 4th Gear 5th Gear A

120What is the standard water pump (Fan) drive belt

tension(mm) in MBC08 (Euro III)?5-6. 6-7. 7-8. 8-9. B

121When comparing two oils of viscosities SAE 20 and SAE 40,

which one has the highest viscosity?

SAE 20, viscosity means

density


density


thickness


thicknessD

122What is the purpose of the relief valve, which is fitted to

the main oil gallery of an engine?

To maintain the maximum

oil pressure.

Open when the oil is

hot.

Maintain the supply if

the gallery becomes

blocked.

Stop the oil flow to the

bearings when the

pressure is low.

A

123The main pollutants from the engine exhaust, apart from

hydrocarbons are------CO and CO2 CO2 and NOx CO and NOx CO2 and H2O A

124In MPFI vehicles, ECM controls the operation of Injectors

by-------

Providing Positive power

supply to the Fuel Injector

Providing Negative

power supply to the Fuel

Injector

All of the above None of the above B

125 Connecting rod connects the crankshaft and the------ cylinder head cylinder block piston crankshaft C

126On the front side of an automotive engine---------are

mounted.Timing gear Vibration damper Damper pulley All of the above C

127On the rear side of an automotive engine-------are

mounted.Flywheel Counterweight Vibration damper Timing sprocket A

128How many main bearings are fitted with a 4-Cylinder

engine?2 5 4 6 B

129Most commonly used valve-actuating mechanism in

MARUTI vehicles is------Side valve mechanism

Overhead valve

mechanism

Overhead inlet and side

exhaust valve

mechanism

None of these. B

130 The engine valves are closed by------- Crankshaft Camshaft Timing device Valve springs D

131 The camshaft controls------- Valve opening Valve closing Valve timing All of these. D

132 After leaving the engine, the coolant flows to------- Pump inlet Radiator Reservoir None of the above. B

133 The radiator core is usually made of------- Brass Steel Cast iron or brass Plastic. A

134 The purpose of the thermostat is to keep the engine------ Hot Cool.At normal operating

temperature.None of the above. C

135Purpose of the radiator fan in an automotive engine is to----

--Increase flow of coolant

Draw air through the

radiator.

Cool the engine by

blowing air over it.

Provide drive to the

water pump.B

136 Radiator fan in MARUTI 800(MBC08) is operated------- Electrically Mechanically Hydraulically Pneumatically A

137The Primary function of lubricating oil in an automotive

engine is to provide------Cooling effect Sealing action. Cleaning action. Reduce wear. D

138 What is the immediate effect of petrol in diesel engine? Pre-ignition No difference Low mileage Low power A

139 In Swift Diesel the maximum fuel pressure can be------ 250-300bar 300-400bar 400-500bar 1300-1400bar D

140 What is the function of glow plugs in Swift Diesel engine?It is a decompression

device.To pre-heat the diesel

To pre-heat the

combustion chamber

To initiate the

combustionC

141 What will happen, in case IAT sensor fails in a MARUTI 800? MIL will not glow MIL will blink MIL will glow while

engine is start None of these C

142 When A/C is switched ON, Injection pulse width will------- Increase Decrease Remains the same Either Increase or

decrease.A

143When IAC Duty increases, what will be the effect of it on

engine idle RPM? Engine Idle RPM increases

Engine Idle RPM

decreases

Engine Idle RPM is

constant

Engine Idle RPM may

increase or decreaseA

144When an MPFI engine is running, the fuel pump operates----

-- Continuously

Switches OFF during

Fuel Cut Cuts OFF intermittently None of the above A

145When an engine are disassembled and assembled, it is

always recommended to replace the--------Cork gaskets Asbestos gaskets Rubber gaskets All gaskets D

146 The oil pan in SX4 engine is made of--------- Aluminum Cast iron Brass Steel A

147In a four stroke engine-------convert the reciprocating

motion into rotary motion.Crankshaft Camshaft Flywheel Pulley A

148When the piston is at TDC, the volume above the piston in

the cylinder is the--------Clearance volume Compression ratio Volumetric efficiency none of these A

149 The purpose of piston rings are to -------Maintain Combustion

pressure

For Cylinder wall

lubricationAvoid Oil consumption All of the above D

150The camshaft drive, which does not require any kind of

lubrication is a-------Chain drive Gear drive Toothed rubber belt None of the above C

151 Valve overlapping occurs between-------and--------strokes Intake & Compression Compression & Power Power & Exhaust Exhaust & Suction D

152 The engine may require overhauling in case of-------- Poor compressionExcessive consumption

of lubricating oilMechanical failure Any of the above. D

153The most widely used fuel supply system for MARUTI car

engines is the Gravity systemTRUE FALSE B

154Fuel pump pressure in MARUTI models should be

approximately--------2.0kg/cm2 1.50kg/cm2 3.10kg/cm2 3.50kg/cm2 D

155Oil pressure of an automotive engine should be checked in--

-----conditionCold Hot Any Temperature

Normal Operating

TemperatureD

156 What is the replacement period of Versa transmission oil? 10,000KM 20,000KM 20,000Km or two years 40,000Km or two years C

157 In petrol engine, Fuel injection takes place at-------- Piston Top Intake port Air Filter Throttle body B

158 EGR is available in _______ A star SX4 BS-III Wagon R 410 Swift 412 D

159 EGR system is employed for controlling emissions of--------- HC CO NOx HC and CO C

160 In Swift diesel cam shaft sprocket driven by________ Mount type chain Roller type chain Belt None of the above B

161In case of four cylinder in line engine, the no. of firing

stroke in one revolution of crank shaft is--------1 2 3 4 B

162In four cylinder engines the ignition advance depends on-----

---Calculated Load Engine speed Coolant Temperature All of the above D

163 How the ignition timing in Versa is adjusted? With the help of

Multimeter

Adjusting the CMP

sensor Adjusting the distributor Replacing the resistor D

164What will be the result if the spark plug gap in a four stroke

engine is less than the specified standard?Low pick-up Low mileage High HC level in exhaust All of the above D

165In spark ignition engine, brown deposit on spark plug

indicates that the engine has been generally operating on---

-----

Lean mixture Stoichiometric mixture Rich mixture None of the Above B

166Compression pressure of petrol engine is then

diesel engine.Higher Lower Equal None of the Above B

167In MARUTI vehicles a temperature indicating gauge inside

cluster indicates the temperature of--------Engine Piston Engine cylinder Lubricating oil coolant D

168 In K series engines the type of ignition system used is-------Smart Distributor less

Ignition system

Dual Distributor less

Ignition system

Dual Distributor Ignition

systemDistributor Type A

169 The purpose of snapshot test mode in SDT is to ?

Storing engine data

parameter before and

after the problem occur

Storing engine data

parameter exactly when

the problem occurs

To store the DTC when

problem occursBoth A and B D

170 SDT diagnostic tool cannot be used on following vehicles? Swift - P Vitara A star Omni LPG D

171Which of the following part is not common to a petrol and

a diesel engine?Air cleaner Exhaust silencer Fuel pump Spark Plug D

172 Turbo charger is fitted in ------- SX 4 Petrol Swift Petrol Sx 4 Diesel Wagon R C

173In internal combustion engine the all valves should be fully

closes---------During Suction Stroke

During Compression

Stroke During Exhaust Stroke None of the above B

174 While measuring the valve clearance-------- Valve should be fully openValve should be fully

closed

Valve should be partially

open

Valve should be partially

closedB

175Which one of the following is not a part of the fuel

injection system for diesel engine?Electrical Pump Fuel Filter Air cleaner High Pressure Pump C

176 MPFI stands for Many Point Fuel InjectionMulti Point Fuel

InjectionMulti Port Fuel Injection Both (B) and (C) D

177When pressure has increased in cooling system the coolant

will flow .Engine to Radiator Reservoir to Radiator Radiator to engine Radiator to Reservoir D

178When pressure has decreased in cooling system the

coolant will flow .Engine to Radiator Reservoir to Radiator Radiator to engine Radiator to Reservoir B

179 What will be standard spark plug gap in K12 M engine? 0.7 ~ 0.8 mm 0.5 ~ 0.6 mm 0.8 ~ 0.9 mm 1.0 ~ 1.1 mm D

180 The purpose of crank case ventilation is to------- Cool the oilRemove vaporized

fumes and fuel vapors

Supply oxygen to the

crank case

Assist in maintaining the

viscosity of fuelB

181The device in the cooling system to increase the boiling

point of the water is ---------Radiator Drain plug Water jacket Radiator Pressure cap D

182 In Swift-Diesel which type of fuel pump is available? Electrical pump Mechanical pump Both A & B Neither A & B C

183What will be the immediate result of excess water in fuel in

the Swift Diesel?

High pressure pump will be

affected

Fuel feed pump will be

affected

Common rail will be

affected

Water in Fuel Sensor

indication light will be

ON

D

184 Purpose of the resonator in an automotive engine is to------To increase the amount of

air available

To reduce the suction

noise

To maintain the

temperature of engine Both (A) and (B) D

185 In a diesel engine the function of the fuel injector is--------- To mix fuel and air To ignite air fuel mixtureTo provide flame for

ignition

To spray atomized fuel

in the cylinderD

186The escape of burned gases from the combustion chamber

through the piston and cylinder clearance into the crank

case is called---------

Gas loss Blow-by By pass Passed gas B

187 In diesel engine the injection is cut by ..Discontinuing the negative

supply to injectors

By stopping the high

pressure pump

operation

By closing the shut off

valve

By giving the positive

supply to injectorsA

188 Inspection of diesel fuel injector is done by . Checking the resistance Checking the back flow Power balance test All of the above D

189 In an automotive engine oil pan is attached--------To the bottom of the

cylinder block

In a separate unit away

from the crank case

At the top of the

cylinder block

At the outside wall of

the crankcaseA

190 The function of oil scrapper ring is to-------- Retain compressionScrap the oil from

cylinder wallMaintain vacuum Reduce piston wear B

191 Connecting rod is attached to the piston by the ------- Big end bearing Piston pin Cap bolt Castle Nut B

192 Excess oil consumption in an engine may be due to--------Leakage of oil through oil

pan gasket

Poor quality or improper

viscosity of engine oilvalve seal damage Any of the above D

193In an engine the probable cause of low oil pressure will be--

------Oil strainer is chocked

Oil pressure relief valve

is defectiveDefective oil pump All of the above D

194"In an engine the oil pressure is higher than the

specification." The defective part could be the--------Crankshaft Camshaft Oil pump Oil filter C

195 In A star the size of the intake valve of engine is---------Same as that of exhaust

valve

Smaller than exhaust

valve

Larger than that of

exhaust valve

Does not depends on

the size of exhaust valveC

196 Combustion in the engine may be affected by--------- Atmospheric pressureChanges in air

temperatureHumidity All of these. D

197 In automotive engines, the flywheel----------Smoothens the flow of

power

Serves as part of the

clutch, cars with manual

transmissions

Has teeth that mesh

with the starting motor

drive pinion

All of these. D

198 In diesel engine a clogged diesel filter could result in ------- Return flow will increasedLower fuel pressure in

common railLoss of power. All of these. D

199The breaking up of a liquid into fine droplets by spraying is

called---------Vaporization Carburetion Atomization Ionization C

200 Mixing of fuel and air in diesel engine happens in-------- Fuel pump Injector Inlet manifold Engine cylinder D

201In MPFI vehicles, for supplying petrol from fuel tank to the

common rail, the fuel system have---------van pump A vacuum pump A fuel pump Gear pump C

202The device used to reduce the exhaust noise is known as-----

--Exhaust manifold Exhaust pipe Tail pipe Muffler D

203The device used to measure the clearance between the

valve and tappet of an internal combustion engine is-------Snap gauge Micrometer Feeler gauge Plastic gauge C

204Loss of engine compression may be resulted because of the-

-------Defective fan belt Excess oil level

Excessive tappet

clearanceWorn out ring D

205 Blue smoke from exhaust in a petrol engine is due to-------- Excessive air Excessive rich mixtureBurning of oil in

combustion chamber

Incorrect valve

adjustmentC

206What is the main purpose of the water pump by pass hose

in the engine cooling system?

To reduce the pressure at

the water pump outlet

during high engine speeds

To allow coolant flow

within the engine while

the thermostat is closed

To prevent air pockets in

the water pump housing

To prevent collapse of

the lower radiator hoseB

207 In which mode fixed spark can be done in SDT? Data list Active Test Tool utilities Trouble code B

208 EVAP purge duty can be checked by SDT? True FALSE A

209What is engine data parameter 'CALC LOAD' indicates when

viewed by SDT in data list?

Calculated Load on

Alternator

Calculated Load on

engine at that time Throttle opening % None of the above B

210What is meant by engine data parameter 'BAROMETRIC

PRESSURE' indicated by SDT? Fuel Delivery Pressure

Intake Manifold

Pressure Atmospheric Pressure Exhaust Gas Pressure C

211What is meant by engine data parameter 'FUEL-CUT - ON'

indicated by SDT? Fuel is injected by injector

No fuel is injected by

injector


ON


OFFB

212If the coolant level in an engine is lower than the specified

quantity, the end result could be--------Piston seizure Engine knocking Bearing damage All of the above D

213If the oil level in the oil pan of a four stroke petrol engine is

maintained above the specified level, the problem could be-

-------

Low milage Carbon deposits Low pickup All of the above D

214 Main bearings Support the camshaft in

the cylinder block

Join the connecting rod

to the crankshaft

Support the crankshaft

in the cylinder block

Join the connecting rod

to the pistonA

215In which of the following system, only grease is used for

lubrication?Transmission Engine Differential Tie rod end D

216Grease cannot be used as a lubricant for the lubrication of---

-----Water pump Front wheel bearing Transmission Input shaft Drive Shaft C

217If an engine shows lack of power in running the probable

cause could be-------Poor compression Faulty ignition timing Overheating Any of the above D

218 The function of flywheel in an engine -------- Dampening of vibrationsBalancing of weight of

crank shaft Stores kinetic energy All of the above D

219 Which series of engine used in SX4 vehicle JB series M series Z- series K series B

220 Cylinder block is made of ________in alto C08. Steel Aluminum alloy Cast iron Brass C

221 Two types of piston rings are--------Compression and oil

scraper.

Compression and

combustionCombustion and exhaust Scuffed and scored A

222If humming noise comes while pressing clutch the problem

may beClutch plate defective Pressure plate defective Release bearing

Transmission input shaft

bearingC

223 Which type of clutch system is used in versa? Multi plate type Coil spring clutch Diaphragm clutch None of these C

224 How many oil seals are fitted on crank shaft 1 2 4 5 B

225The most commonly used valve in an automobile engine is--

-------Poppet valve Sleeve valve Rotary valve None of these. A

226 The clutch cover is bolted to the-------- Friction disk Flywheel Car frame Engine block B

227 Clutch plate wear result to_________ Low pick-up Low average Engine overheating All of these. D

228 What is the purpose of clutch is________ Transfer the engine power Engage the transmissionDisengage the

transmissionAll of the above D

229"In a manual transmission vehicle an abnormal noise

comes when clutch is engaged, and the same disappears

when disengaging the clutch. The problem could be--------

Clutch plate defectInput shaft bearing

defectRelease bearing defect All of these. B

230The clutch is located between the transmission and the------

--Flywheel Rear axle Propeller shaft Differential. A

231The release bearing should come in contact with pressure

plate-------Vehicle is stationary.

Vehicle is running very

fast.

Vehicle is driven very

slow.Clutch pedal is pressed. D

232 In SX4, the clutch disengagement is assisted by? Cable Rod Hydraulic pressure Electrically C

233What could be the result in case no free play is provided for

clutch pedal?Low pickup Low average Engine over heating All of these. D

234 The purpose of transmission in an automobile is--------To vary the speed of the

engine.

To vary the torque of

the engine

To vary the Speed and

torque of vehicleNone of the above. C

235 How many propeller shafts are available in Gypsy king? Two Three One None of these A

236Which transmission unit disengages the drive and provides

a smooth take up of the drive?Clutch Gearbox Final drive Differential A

237The symptom of 'clutch plate not getting disengaged' while

pressing the clutch pedal is--------Burning Smell Clutch Slippage Difficult to shift gear All of these D

238 Springs in clutch plate are meant to reduce------- Tensional vibrations.Fluctuation in engine

speed.Torsional vibration All of these. D

239 Clutch slippage is particularly noticeable--------- During idling At low speed During acceleration None of these C

240As a general rule, if the face of a friction disk is found worn

out up to the rivet head, then-------Rivet should be replaced

Rivet Head should be

filed

The friction disc should

be replaced

The clutch assembly

should be replacedC

241 The purpose of waste gate in Turbo charger is to--------

waste some of the engine

power to prevent Nox production

Allow some exhaust gas

to bypass to maintain

the boost pressure

Prevent excessive fuel

consumption during low

speed operation

Prevent excessive power

output during part

throttle operation

B

242Which one of the following is the trouble due to faulty

clutch?Dragging Rattling Slipping All of these. D

243While replacing the ECM of swift D registration is required

for.. Only ECM Only Vehicle variant

Only Immobilizer and

keysAll of these. D

244What will be the trouble in a spark ignition engine if spark

leaks from the spark plug?Loss of power Engine miss-fairing HC high All of these. A

245If you need to top up the battery electrolyte of the vehicle

very frequently, then the battery probably-------Overloaded Sulfated Old Overcharged D

246 A fully charged, 6 cell automotive battery should have-------- 11 V 12.6 VSP. GRAVITY OF 1.290

AT 32 deg C.Both (B) and (C) D

247For measuring current, the multimeter red wire should be

connected on Multimeter at__________.10A socket V socket COM terminal A

248While measuring battery voltage, the range to be selected

on Multimeter is__________.2V 200mV 200V 20V D

249In K-series engine, Spark plugs are to be replaced at

every__________.20000kms 40000kms 60000kms 80000kms B

250 In Swift Diesel, water pump belt is adjusted by_________. Manual method Automatic belt tensioner Not adjusted B

251_________ cuts of the AC compressor when system

pressures is too high or too low.Thermister Dual pressure switch AC compressor relay Expansion valve B

252Thermister is provided to prevent ice formation on

evaporator.True FALSE A

253 In Swift Diesel, thermister is fitted on evaporator. True FALSE B

254For checking battery current leakage the multimeter should

be connected in___________.Parallel Series Any condition None of the above B

255 If CKP sensor fails, vehicle will start and misfire. True FALSE B

256If spark plug gap is more than specification it will result in

to_________.Weak spark Misfire No effect None of the above B

257In Ritz vehicle, the maximum limit for current drain in

ignition OFF condition should be_________.1Amp 10Amps 0.15Amp 0.1Amp C

258 Valve clearance adjustment is a part of PDI checklist. True FALSE B

259In K series engine, water pump belt replacement is to be

done every 60000kms. True FALSE A

260Master cylinder and wheel cylinder (boot and piston kits)

should be replaced every _____________kms. 20000kms 40000kms 60000kms

Does not require

periodic replacementB

261In diesel engines, what is the method to service the air

filter?Cleaning Replacement Both of the above B

262 Engine oil bypass valve is fitted at_________. Oil strainer Oil pump Oil filter Cylinder block B

263 Low oil pressure warning lamp glows when ________.Oil pressure is lower than

specified limit

Oil pressure is higher

than specified limit

Engine oil quantity is

moreNone of the above A

264In petrol vehicle, engine oil level should be checked in

which condition? 5 min after engine stop Engine at idle speed Immediately after stop Any condition A

265Oil filter cap in diesel engine should be tightened to

___________Nm torque. 2.5Nm 25Nm 50Nm 10Nm B

266Spark plug is tightened to specified torque using

__________.Ratchet handle Spark plug torque socket torque wrench Not specified B

267Low pressure vacuum valve in cooling system allows

coolant from _________.Radiator to reservoir Reservoir to radiator No flow into reservoir B

268Normal coolant (water : antifreeze) ratio in petrol engine is

_________. 50:50 75:25 60:40 70:30 D

269 Coolant by pass passage is available ________. Before thermostat Before water pump After thermostat After heater core A

270Normal coolant (water : antifreeze) ratio in diesel engine is

__________. 50:50 75:25 60:40 70:30 A

271Used coolant can be disposed off in normal water drainage

system.True FALSE B

272Leakage from a cooling system can be checked by

________.Visual inspection Refractrometer Radiator cap tester None of the above D

273What is the radiator cap holding pressure while checking

using cap tester ______. 2kg/cm2 1.1kg/cm2 1 bar None of the above B

274Which of the models have a hydraulic valve adjuster

system?A-Star SX4 Alto410 Swift Diesel D

275Before valve clearance checking, we must ensure that

valves of respective cylinder should be in __________.Fully open condition Fully close condition Partially open Any position B

276 In SX4 engine, Valve Clearance is adjusted by___________. Screw type adjuster Hydraulic adjuster Tappet type adjuster Shim type adjuster D

277While checking ignition timing through SDT, the ignition

timing is fixed at _______.5 Degree BBDC 5 Degree BTDC 8 degree BTDC None of the above B

278 Adjustable CMP sensor is available in ________. Wagon R 310 Alto K10 Swift Diesel Alto 308 D

279Resistor is available in_______ model for adjusting the

ignition timing.EECO Grand Vitara Alto K10 Versa D

280Engine vacuum is highest in which of the following

condition?at idle RPM at 2000RPM at 4000RPM at 6500RPM A

281 Engine compression test is an indicator of ________. Bore - piston clearance Valve seatingCylinder head gasket

sealingAll of the above D

282The low charged battery affects the cylinder compression

test.True FALSE A

283Compression gauge for Diesel engine is to be fitted

at________.Injector hole Glow plug hole Cam shaft housing Timing cover B

284Oil pressure test should not be done in cold condition

because______.Oil viscosity is low Oil level is more Oil viscosity is high None of the above C

285 Which of these gases are pollutant gases? HC CO Nox All of the above D

286 Stoichiometric ratio for petrol engine is 1C.5:1 14.5:1 14.7:1 15.7:1 C

287 In A-Star vehicle, fuel filter is available at ________. Engine compartment Inside fuel tank Near fuel tank near injector rail C

288After brake bleeding, the bleeder plug has to be tightened

by ________. Ring spanner Special tool Open end spanner Socket B

289While tightening the bleeder plug, the brake pedal should

be in ______. Depressed condition Released condition

Pedal should be

gradually released

during tightening

At any condition A

290In Swift vehicle, electrical power steering motor is fitted

on________.Steering pinion assembly Steering column tie rod ends steering knuckle B

291 Toe in is adjusted by turning the________. Tie rod Rack Steering wheel None of the above A

292Gear box oil drain plug should be coated with sealant

before tightening.True FALSE A

293Front suspension damper should be inspected by holding it

in________.Vertical position Horizontal position

pressing against the

groundAny position A

294Location of "Knock sensor" in A-Star vehicle is on

_________.Cylinder head cove Cylinder head Timing cover Cylinder block D

295The purpose of thermister is to cut the compressor clutch

below specific temperature.True FALSE A

296 The output from the condenser is_________. High pressure liquid High pressure gas Low pressure gas Low pressure liquid A

297 Location of dual pressure switch is_________. High pressure side Low pressure side None of the above A

298 Fuel injection (FI) fuse is normally rated as _______Amps. 30 Amps 5 Amps 10 Amps 15 Amps D

299 Ideal air control valve is a Sensor. True FALSE B

300 Fuel temperature sensor is available in______. Petrol engines Diesel engines B

301In Swift Diesel vehicle, vacuum is applied on brake booster

by ________.Intake manifold Turbocharger Vacuum pump C

302 By opening the IAC valve fully we can increase the engine

rpm up to5300 rpm

500 rpm

1300 rpm 2000 rpm D

303

No temperature difference between compressor inlet and

outlet indicates: Excellent performance of

compressor No gas in the system

due to leakage

Too much charge of

refrigerant in the system Too much humidity B

304

A container filled with activated charcoal; used to trap

gasoline vapor from the fuel tank and carburetor while the

engine is off is called EGR VALVE Charcoal Canister Crankcase Catalytic Converter B

305Any short-circuit in the armature winding may be tested

with a multimeter growler. voltmeter. ammeter. B

306 The principle of a radiator of an engine cooling system is toAct as a reservoir for the

water

Cause heat flow by

convection currents.

Spread out the hot

water over a large area.

Increase the air speed as

it flows over the hot

surface.

C

307 The purpose of a piston pin is toPrevent the valve from

rotating.

Link the connecting rod

to the crankshaft.

Ensure the piston ring to

the piston

Connect the piston to

the connecting rod.D

308 Ignition advance is expressed in terms of crank angleMillimeter of pistons

travel before TDCTime in mili sec Any of the above A

309 Engine overheating in Gypsy King may result due to coolant reservoir gasket

damagedthermostat stuck open. broken fan belt.

excess coolant in the

system.C

310 In a vehicle the probable cause of hard steering could be Low tire pressure Bent wheel spindle Tie rod ends tight Any of the above D

311 Continuity in the field windings can be tested with a multimeter growler. voltmeter. none of the above. A

312In case of CMP sensor failure, the ECM identifies the failure

when

CMP sensor signal is not

input 2 seconds after

engine cranking

CMP sensor signal is not

input 5 seconds after

engine cranking

Engine does not start

within 5 seconds of

engine cranking

CMP sensor fails A

313 The engine valves are closed by the force of crankshaft camshaft timing device valve springs D

314If the pedal of a hydraulically operated brake is 'springy' is

indicates that theSystem contains air

Shoe clearance is

excessive.

Brake fluid should be

changed.

System is in a good

condition.A

315If the coolant level in engine is maintained low, the likely

consequence could bePiston seizure Engine knocking Bearing damage Any of the above D

316 The purpose of transmission in an automobile isto vary the speed of

automobile.

to vary the torque at the

road wheels.

to vary the power of

automobile.none of the above. B

317 MPFI vehicle can be push started if battery is removed? True False # # B

318When a vehicle turns a corner, the action of the differential

causes

The inner wheel to speed

up

The outer wheel to

speed up

An increase in the

torque applied to inner

wheel

An increase in torque

applied to the outer

wheel.

B

319In the recirculating ball type steering gear, the balls travel

between the ball nut and thegear rack. worm wheel. steering wheel shaft. worm shaft. D

320 To increase output voltage, battery cells are connected in series parallel series-parallel none of the above. A

321 The thermostat valve starts to open at about. 90 deg 80 deg 50deg 20 deg B

322 The hand brake usually operates on rear wheels front wheels right wheels left wheels A

323 In a four wheel drive the number of gear box is 1 2 4One gear box with more

gearsB

324 An axle is located on a leaf spring by a U-bolt Spring clip Centre bolt Shackle pin C

325 The function of a shackle with a leaf spring is toallow pivoting of spring

end

allow spring length to

change.control sideway. control rear torque. B

326 If Head lights are switched ON, then Injection Pulse Width

will Increase Decrease Remain Same

either Increase or

Decrease.A

327 SDT can be used to check the vehicle speed? True False # # A

328 What is the input voltage to Oxygen Sensor 1 Volts 4 to 5 Volts 12 Volts no input voltage D

329During normal running, the necessary temperature to

ignite the fuel in a diesel engine is obtained by Glow Plugs a manifold heater a high compression ratio

an un cooled cylinder

head.C

330 Shock absorber in an automobile is used to absorb the energy. dissipate the energy. release the energy. increase the energy. B

331 Which instrument is used to measure specific gravity Thermometer Multimeter Hydrometer Anemometer C

332 The starter motor is driven by Chain drive gear drive Flat belt drive DC motor D

333 CKP sensor is fitted in Wagon-R (MRD 410). True False # # B

334The charging voltage at the start of the engine is

__________ than when the engine is running on load.lower higher same any of the above. B

335 The PCV valve is located between theair cleaner and the

carburetor

carburetor and the

intake manifold

intake manifold and air

cleaner

intake manifold and

crankcase.D

336 The purpose of tire rotation on automobiles is to avoid ply separation. equalize wear get better ride. none of the above. B

337 The cold cranking amperes (CCA) of swift diesel starter is 150 Amp 440 Amp C40 Amp 200 Amp B

338 The camshaft controls valve opening valve closing valve timing all of these. D

339 Noisy brakes indicates Brake disc scored Drums scored Loose lining screws Any of the above D

340The device used to measure the clearance between the

valve and tappet of an internal combustion engine,Snap gauge Micrometer Feeler gauge Thickness gauge C

341 If Oxygen Sensor indicates an output of 1Volt, then it

means that Fuel Mixture is lean Air-Fuel Mixture is rich

Air-Fuel Mixture is

stochiometric.

Oxygen sensor is

defective.B

342The distance between the centers of the front wheel is

called the Front Track Wheel base Rear Track Turning radius A

343The distance between the centers of the front wheel and

rear wheel is called the Front Track Wheel base Rear Track Turning radius B

344The fuel is injected into the cylinder in diesel engine when

the piston is

Exactly at TDC after

compression stroke

Exactly at BDC before

compression stroke

Approaching TDC during

compression stroke

stroke

Approaching TDC during

exhaust strokeC

345The operation of removing trapped air from hydraulic

braking system is known as Trapping Tapping Pressurization Bleeding D

346 Another name for a damper is shock absorber torsion bar. spring.independent

suspension.A

347What is the frequency of replacement of Spark Plug in K

series engines 10000 km or 1 year 40000 km or 4 years 20000 km or 2 years 20000 km B

348 An automobile tire will wear rapidly in case It is overloaded It is mis aligned It is incorrectly inflated Any of the above D

349 An underinflated tire will wear the tread most near centre near the edges. in the lateral direction. in the cross direction. B

350 The unit of injector pulse width is mili sec volt amp Ohm A

351What is the frequency of replacement of Engine Coolant in

A star vehicles 10000 km or 1 year 10000 km 20000 km or 2 years 20000 km C

352 In case of failure of EVAP canister purge valve, a DTC will

be indicated True False # # B

353A pressure relief valve is fitted to the main oil gallery of an

engine. The purpose of this valve is to

limit the maximum oil

pressure.open when the oil is hot.

maintain the supply if

the gallery becomes

blocked.

stop the oil flow to the

bearings when the

pressure is low.

A

354 In MPFI vehicles, ECM controls the operation of AC

Compressor when the AC switch and Blower are switched

ON by

Positive power supply to

the AC relay

Negative power supply

to the AC relay

AC Condenser fan

switching ON

Switching ON radiator

fanB

355The angle formed by the wheel with the vertical when the

top of the wheel slants outward is calledpositive camber negative camber positive castor negative castor A

356Heated Oxygen Sensor works when exhaust passage is in

_____ Condition Cold Warmed all condition Idle C

357With the increase of battery temperature, the specific

gravity of electrolyteincreases decreases. stays the same. none of these. B

358In case the CMP sensor of Wagon-R (MRD 410) fails what

will happen? Engine will start Engine will not start None of the above # B

359The device in the cooling system that increases the boiling

point of the water in the system is calledRadiator Drain plug Water jacket Radiator cap D

360When comparing two oils of viscosities SAE 20 and SAE 40,

which one has the highest viscosity


density


density


thickness


thicknessD

361 The electrolyte used in a lead acid battery is Sulphuric acid batteryDiluted lead and pure

water

Pure water and distilled

water

Distilled water and

sulphuric acid.D

362 In DDLi system Ignition coil is used to Step up current Step down current Step up voltage Step up power C

363In case of four cylinder in line engine, the no of firing stroke

in one revolution of crank shaft is1 2 3 4 B

364What causes the main force which opposes the driver

when the clutch pedal is depressed?thrust springs speed of rotation friction in the linkage

friction between the

linings.A

365 A collapsible steering column is one which collapses to Damp out road vibrationsImprove safety for the

driver

Simplify its removal for

repair.

Provide adjustment for

the steering wheel.B

366 Radiator tubes are made of Steel Brass Cast iron Plastic material B

367If the oil level in the oil pan of the engine is maintained

above the gauge mark, the likely damage it may cause is engine fuming carbon deposits blue color in exhaust any of the above D

368 While starting a engine the starter pinion meshes with clutch Propeller shaftEngine flywheel ring

gearGears in differential C

369 The purpose of valve clearance is to Allow the valve to expandAllow the valve to slide

in the guide

Ensure that the valve

closes fully

Ensure that the

crankshaft is free to

rotate.

C

370To ensure combustion occurs at the correct time when the

engine speed is increased, the spark should beAdvanced Retarded Less Intense More intense. A

371 The 'stroke' of an engine is the Volume of the cylinderLength of the connecting

rod

Internal diameter of the

cylinder.

Distance between TDC

and BDCD

372 How is the inlet valve opened and closed? It is opened byA cam and closed by a

spring.

A spring and closed by a

cam.

Gas pressure and closed

by a cam.

Cylinder vacuum and

closed by a spring.A

373The pressure in an engine cylinder is less than atmospheric

pressure when the engine is performing the stroke calledSuction Compression Power Exhaust A

374The main purpose of the radiator fan of a liquid cooling

system for an engine is toDisperse engine fumes

Cool the external

surfaces of the engine

Pump hot air over the

cold cooling water.

Drive air-flow when the

vehicle speed is low.D

375 The principle of a radiator of an engine cooling system is toAct as a reservoir for the

water

Cause heat flow by

convection currents.

Spread out the hot

water over a large area.

Increase the air speed as

it flows over the hot

surface.

C

376The thermostat is normally positioned in the cooling

system between theheader hose and radiator

radiator and bottom

hose

bottom hose and engine

water jacket

engine water jacket and

header hose.D

377The purpose of large spring loaded valve in a radiator cap is

to

lower the temperature at

which the coolant boils

prevent the coolant

escaping when it boils

reduce the risk of the

rubber hoses collapsing

when the pressure is

low.

pressurize the system

which raises the boiling

point of the coolant.

D

378The quality of coolant in a cooling system can be

determined by

checking the freezing point

by refractrometer

measuring the

temperature at which

the coolant boils

color of coolant pressure of the coolant

at a temperature of 80CA

379 A thick cable is needed to supply the starter motor becauseMotor requires a very

large current.

Voltage needed is higher

than 200 V

Thick insulation is

needed to prevent a

short circuit.

Extra strength is needed

to resist the vibration.A

380 A fuse in an electrical circuit 'blows' as the result of a highHigh Voltage caused by a

short circuit

High Current flows

caused by a short circuit.

Voltage caused by an

open circuit.

Low Current flow caused

by an open circuit.B

381 If A/C is switched ON, then Injection Pulse Width will Increase Decrease Remain Same either Increase or

decrease A

382What will be effect of a choked AC condenser on the grill

temperature?

grill temperature will not

be affected

grill temperature will

decrease

grill temperature will

increase

grill temperature may

or may not decreaseC

383If Wagon-R customer is reporting for water entry in

Headlamp assy,in this case------------action should be taken

Head lamp assy focus

adjustment

Wiring harness assy

replaceAdjusting of dust cap None C

384 The Arrow mark on SDM of should face towards, Back door side front side RH seat side LH seat side B

385 The working principle of ABS wheel speed sensor is Hall effect Piezo-electric element. Potentiometer none B

386To avoid Brake caliper pin noise problem ,which grease

should be usedServo gem -2 Molex grease Nigrove RX2 Lithium grease C

387Due to weight transfer, the ratio of braking effect at the

front and rear wheels should be

50% at front and 50% at

rear


rear


rear none of the above B

388Several factors can influence vehicle braking, these can

include: Road surface the weight of the vehicle

load on the vehicle

during stoppingAll of above D

389The function of the proportioning valve is to break up the

braking effort between:

Disc brake systems and

drum brake systems

The front and rear

brakes under heavy

braking application

The front and rear

brakes under heavy

braking application

according to how the

load is distributed across

the vehicle

none C

390 What will happen if water is added to the brake fluid? boiling point of the brake

fluid will increase

Brake master cylinder

effectiveness will

increase boiling point of brake

fluid will decrease none of the above C

391 What will happen if brake fluid is stored in the open? boiling point of the brake

fluid will remain same

boiling point of brake

fluid will increase

boiling point of brake

fluid will decrease none of the above C

392The advantage of fitting a power brake booster to a brake

system is to

Create a greater braking

force

Allow a tandem master

cylinder to fitted

Provide a greater

braking force to the

front brakes

Allow a disc brake

system to be usedA

393 When the brake is applied, the fuel injection will Increase Decrease Remain Same Cut-off D

394 Which type of wheel bearing used in front wheels Roller bearing Ball bearing Tapper roller bearing Needle bearing C

395 Which Type of brake disc used in Alto Ventilated Solid None of these B

396 In which model ventilated brake disc not available Car Esteem Wagon-R Swift petrol A

397 Which type of brake system used in Swift-D Hydraulic brake Air assisted hyd.brakeVacuum assisted

hyd.brakeNone of these C

398Any short-circuit in the armature winding may be tested

with a multimeter growler voltmeter ammeter B

399The alternator charging voltage at the start of the engine is

_____________ than when the engine is running on load lower higher same any of the above A

400 The heater core is normally located in_______ Engine compartment Under the dash board Under seat Dickey B

401In engine rattling or chattering sound during acceleration

may be due to worn or collapsed piston s worn main bearing broken piston ring sticking engine valves B

402All of these statements are true about the operation of the

EGR emission control systems except

The EGR valve allows

exhaust gases to enter the

intake manifold

the EGR valve open at

engine idle

the EGR system reduces

NOX emissions

the EGR system reduces

combustion chamber

temperatures

B

403 In diesel injection system, injector will inject the fuel when Piston on exhaust stroke Piston on suction strokePiston on compression

strokenone of the above C

404Reducing the compression ratio of an engine reduces the

combustion chamber temperatures and this


NOx formed


NOx formed Reduces the amount of

HC formed


H2O formedA

405 If EGR will stuck in open condition the problem may beNox formation will

increase

Combustion chamber

temperature will

increase

HC level will increase in

exhaust All of the above C

406If engine timing belt tension is more than specification, it

will

reduce the life of timing

belt

Reduce the life of timing

belt tensioner

Increase the noise level

from engine timingAll of the above D

407 The engine requires overhauling in case of poor compression excessive consumption

of lubricating oil mechanical failure all of the above D

408If the air temperature is increased, the density of air

will______Increase Decreased Remain same None of these B

409 What may happen if engine earthling wire is disconnected Coolant sulphation Rpm high Engine overheating Both A and C D

410 In Swift Diesel Engine noise is very less due to More length of Injector Multiple Injection

ConceptChain drive Twin camshaft B

411 Fuel Pressure is controlled in the common rail of diesel by high pressure sensor Vehicle Speed fuel pressure regulator fuel injectors C

412The fuel vapor emission control system stores gasoline

vapor in a tank the fuel tank a charcoal canister none of the above C

413 Location of Boost pressure sensor in SWIFT Diesel .is Underbody near fuel tank. Near exhaust manifold Near brake pedal Intake manifold D

414A steady but low vacuum reading with the engine idling

indicates that the engine

intake manifold side

leakage

valve clearance is more

than specification exhaust pipe is plugged None of the above B

415Output voltage of the throttle position sensor can be

adjusted ? True False A

416 Fail safe mode is not available in swift 412 for_______ Oxygen sensor Cam shaft position

sensor

Engine coolant

temperature sensor Throttle position sensor A

417 Fuel Pump will be operational under which condition? 2 to 3 seconds after

Ignition switch ON

engine start signal input

to ECM

CMP signal input to

ECM All of the above D

418 Timing Chain in Swift Diesel is to be replaced every 80000 Km 82500 Km 100000 Km None D

419In case the Ignition timing is out of specification, IAC Duty

indicated would be correct?TRUE FALSE B

420In MPI vehicles, the ignition timing is _______ at the time

of starting. fixed variable B

421Before checking compression pressure battery voltage

should be checkTRUE False A

422Which Connection/Components should be removed before

checking compression pressure in petrol vehicle

Ignition coil HT lead

connection

Fuel pump relay

connectionAir filter removal All of above D

423Engine timing chain or belt fitment always starts from

crankshaft gear to camshaft gearTRUE FALSE A

424In Swift diesel while fitting timing chain, how many special

tools should be used4 3 2 1 B

425 In Swift diesel Loosening of crankshaft sprocket bolt is Clockwise direction Anti clock wise direction Both None B

426What will happen if engine oil is not replaced within

prescribed service period in swift diesel vehicle

Improper working of

tappets

Improper working of

timing chain adjuster

Poor lubrication of all

partsAll of above D

427IF MIL is not glowing when the ignition is switched on, but

engine is starting, possible cause may beMIL bulb blown off FI Fuse blown off Main relay defective

ECM ground point

defectiveA

428 In SX-4 fuel pressure regulator is operated by Vacuum Positive pressure Electrical sensing None B

429 What is the location of fuel pressure regulator in SX-4 Engine Room Under the dash board On the fuel tank Under the rear seat C

430 In Wagon-R fuel pressure regulator is operated by Vacuum Positive pressure Electrical sensing None A

431On the based of Knock sensor signal ECM controlled the

supply ofAir (Oxygen) Exhaust Gas Oil Pressure Fuel injection D

432 To avoid fuel leakage from fuel hose pipe, the fuel hose

pipe clamp fitment distance from end of pipe is9-10 mm 3-7 mm 2-3mm 8-10mm B

433 Purpose of Immobilizer system isTo increase the pick up of

vehicles To increase fuel average

To prevent theft of

vehicles None C

434What is the main function of a separate coolant reservoir

tank

To stabilize the coolant

temperature

To increase the system's

operating pressure

A more convenient

location for adding

coolant to the system

To maintain coolant in

the system at all timesD

435The checking procedure for Fuel pump & Main relay is

sameNo Yes A

436In accident body work shop, What are the important point

should be checked/Removed while parking the vehicle

inside workshop

Battery negative cable and

battery damagewheel bend

Petrol/diesel/gas

leakageBoth A & C D

437For hydraulic power steering pump pressure checking the

fluid temperature should be____

20 to 30 degree

Centigrade

30 to 35 degree

Centigrade

60 to 68 degree

Centigrade 102 degree Centigrade C

438While checking hydraulic power steering fluid level the fluid

temperature should be__________

15 to 25 degree

Centigrade

31 to 35 degree

Centigrade

60 to 68 degree

Centigrade 103 degree Centigrade B

439What is the condition for steering force inspection in EPS

vehicle?

vehicle should be on level

surface with steering

wheel should be in straight

position.

Engine should be in

idling condition

Tire inflation pressure

should be as per

specification

All of the above D

440 The type of steering gear used in a MARUTI 800 car is. rack and pinion worm and roller worm and wheel none of these A

441Is there any special tool is available for EPS checking for

WagonR410Yes No A

442 What happen if heavy black smoke come through exhaust

in diesel vehicleTurbo charger defect Oil pump damage fuel pump damage None of these A

443 Which models has not come Immobilizer system Omni-LPG swift petrol Gypsy king SX4-CNG C

444 What is the name special used for checking air bag system Load tool Flow meter volt meter None of these A

445 SDM is located in which location. Engine compartment Under the dash boardUnder the parking brake

leverUnder the rear seat C

446 Forward crash sensor is related with which system Engine suspension Air bag ABS C

447 location of front impact sensor SX4 Zxi Near to the RH head lightNear to the LH head

light

Under the parking brake

levernone of the above A

448How many wheel speed sensors are available in ABS

system6 8 4 5 C

449Does any woodruff Key is fitted in crank shaft timing

sprocket in Swift Diesel EngineYes No B

450 Oil pump is driven by which component in Swift Diesel. Timing Chain Exhaust camshaft Intake Camshaft Crank shaft D

451 In Wagon-R timing belt replacement period is 82500 90000 100000 60000 C

452which type of purge valve we are using in wagon R euro IV

vehiclesolenoid type Duty type proto type none of the above B

453 In which MSIL model has fluid coupling type radiator fan SX4 Gypsy king Omni Grand vitara420 B

454 Power supply from the battery to ECM is- 5 to 9 volt 4.5 to 5.5 volt 2 to 2.5 volt 10 to 14 volt D

455 SX4 ignition timing cant be adjusted Yes No A

456 Versa timing can be adjusted by Distributor. Analogue Multimeter. Resister. None of above. C

457 In MPFI vehicle EGR is provided for Re-circulate unborn fuel Improve braking force Increase pickup Reduce Nox generation D

458 Engine RPM can be checked by digital multimeter - True. False. A

459 IAC valve is a sensor. True. False. B

460Air suction pipe is modified for problem of water entry in

_________ modelWagon R (A1J) Wagon R 410 Estilo 410 SX 4 416 A

461In A-star vehicle, engine RH mounting has been modified

for problem of Noise on rough roads Failure of drive shaft Bearing failure Oil leakage A

462In Swift/Ritz model, which component is modified for

problem of noise on rough roads?Engine RH mount stopper Joint, stabilizer bar Mount, stabilizer bar Stabilizer bar C

463For Swift BS 3 vehicle, rubber tube is to be fitted at

workshop on suspension coil spring for problem of noise

from front suspension

TRUE FALSE A

464Engine oil capacity of SX4 (old) and SX4 VVT engine are

differentTRUE FALSE B

465 In Swift Diesel, EGR fuse is located at Fuse Box No.1 Fuse box No.2 Fuse Box no. 3 None of the above B

466Name of the cleaner for electrical throttle body is

_______________

Super cleaner (Three bond

make)Petrol Diesel Decarburizing Thinner A

467In the case of tubeless tires, the tire pressure specification

is same as tube tiresTRUE FALSE A

468In Omni LPG, name the part modified to avoid problem of

starting in petrol modeBrake vacuum pipe Fuel return pipe Both of the above Carburetor A

469___________ has been modified in Swift/Ritz Diesel models

to improve braking efficiencyBrake pads master cylinder Vacuum pump Booster D

470In Swift Zxi, communication between ECM, ABS, BCM

controllers is throughSerial network Parallel network Controller Area network No network C

471Engine coolant temperature lamp starts blinking at

___________C and glows continuously at _________C in

A-star vehicle

98C and 100C 116C and 118C 105C and 110C 118C and 120C B

472Programming process of remote transmitter on Ritz is done

using ignition key and ____________________Driver side door switch Lighting switch

Passenger side door

switchRear RH door switch A

473 Identify the symbol Injector Spark Plug Glow Plug Cigarette Lighter A

474 Instrument panel harness is a part of Door harness Floor harness Roof harness Engine harness B

475Connecter set adaptor kit and shorting bar are special tools

for which systemABS BCM EPS Air bag D

476In wagon R vehicle (RD 410), fuel sender gauge resistance

Should be checked Only in full condition Only in empty condition

Both Full and Empty

conditionCan not be checked C

477The purpose of headlamp leveling system is to __________

the headlight beam when vehicle is loaded from ________.Lower; rear Higher; rear Higher; front Lower; front A

478 Headlight leveling actuator is located at Junction blockUnder the dashboard LH

sideIn headlight assembly Near leveling switch C

479In Swift Diesel, if fuel pressure before fuel filter is less than

specified 190kPa, then possible causes could beFilter relief valve Injector Common rail Diesel filter chocked A

480Continuity pattern for a good 'Fuel water detection sensor'

for swift Diesel is Continuity In water No continuity In Diesel Both A & B Continuity In Diesel C

481In Swift Diesel correct condition for inspection of fuel back

flow at injectors isat ignition ON at 4000 RPM for 30 sec at 1500 RPM for 3 min any condition C

482Instruments can be used for checking fuel injector in petrol

vehicle Multimeter SDT

Special tool (Injector

tester) All of the these D

483In A-star vehicle the fuel pressure regulator is mounted on

the fuel railTRUE FALSE B

484 In Ritz vehicle, the location of fuel filter is near fuel tank TRUE FALSE B

485How many fuel return lines are available in Swift Diesel fuel

system1 2 3 4 D

486 Separate fuse for fuel pump is available in swift Diesel TRUE FALSE A

487 In petrol engine, fuel injectors receive power supply from ECM main relay fuel pump relay Directly from battery B

488 Diesel injectors receive power supply from _________ ECM main relay fuel pump relay Directly from battery A

489Name the special tool to be used to tighten high pressure

pipe joint to specified torque in Diesel fuel system Open end spanner Socket Crow foot spanner Adjustable wrench C

490_______ type fire extinguisher to be available while

servicing fuel systemCO2 Foam water pump Sand A

491 If fuel tank is observed rusty inside then Replace tank Flush tank repeatedly Apply rust removerCan be used rusty

conditionA

492 Alternator testing is carried out at _______ RPM 2000 Idle 1000 4000 A

493 Decision to charge a battery should be based on Voltage Specific gravity Alternator voltage Both A & B D

494 Charging time for a battery is decided based on _________ Specific gravity Terminal Voltage No. of cells Based on battery size A

495During battery charging, if 4 batteries are connected to

charger, the voltage setting on battery charger should be

_____________

14.2 V 24 V 48 V 12 V C

496While charging multiple batteries, the batteries should be

connected in Parallel Series One at a time any condition B

497The charging current while charging 1 Wagon R battery and

while charging C wagon R batteries is same.True. False. A

498 During battery charging, the battery vent caps should be removed Loosely fitted Fitted tight Any condition B

499Current leakage form battery is measured by connecting

multimeter between ____________ terminal and

__________wire

Positive terminal &

Negative cable (series

connection)

Positive terminal & Body

ground (Parallel

connection)

Positive terminal &

positive cable (series

connection)

Positive terminal &

positive cable (parallel

connection)

C

500Battery negative cable is grounded at ___________ no. of

locationsVehicle Body Engine/Transmission Exhaust Manifold Both A & B D

501 Short term fuel trim value in negative % means Air fuel mixture is being

made lean by ECM

Air fuel mixture is being

made rich by ECM

Air fuel mixture is being

made Stoichiometric None of these A

502Which of these parts are part of evaporative emission

control systemEGR valve IAC valve Purge valve exhaust valve C

503 In Ritz, A/F sensor is located at Intake manifold Exhaust manifold After catalytic converter Near air filter B

504Improper electrical throttle body calibration will lead to

___________ and ______________ complaintsLate starting abnormal engine idling Both A & B Neither A & B C

505Manifold Absolute pressure (MAP) value increased with

increase in engine RPMTRUE FALSE A

506 In petrol engines, immobilizer system has control on Injector Igniter coil Both A & B Neither A & B C

507In Diesel vehicle MIL lamp ON indicates problem in engine

control system that affects emission. True. False. A

508In Diesel vehicle, SVS lamp ON indicates problem in engine

control system that affects emission.TRUE False. B

509When DTC is stored in Pending status, MIL

lamp__________ in vehicle start condition Will be ON Will be blinking Will be OFF Will be On intermittently C

510The name of fuse available for protecting ECM in positive

power supply circuit is _____IG Fuse FI Fuse Dome Fuse Back Fuse B

511 In swift Petrol vehicle the radiator fan has Single speed only Two Speed Three Speeds None of these B

512Knock sensor working can be checked by which

instrument?Multimeter SDT Oscilloscope SDT data list Clamp on meter B

513 Boost pressure in swift diesel is to be checked At ignition ON Above 2000 rpm At 1500 rpm for C min Above 4000 rpm B

514In Ritz vehicle petrol injectors can be switched ON and OFF

using SDT in active test modeTRUE FALSE A

515 In Diesel engines, common rail pressure is controlled by .. High Pressure pump Low pressure pump ECM Fuel pressure sensor C

516 In petrol engines injection pulse width is regulated by Injectors Fuel pressure regulator ECM Fuel pump C

517Stabilizer bar joint nut in Swift tightened with the help of

________Torque wrench Spanner and Allen Key Adjustable wrench Torque bit B

518Among wheel alignment parameters only _________ can

be adjusted in Ritz D vehicle.Caster camber Toe In None of these C

519 Suspension arm bush can be reused once removed TRUE FALSE B

520 Rear toe in is adjustable in Ritz TRUE FALSE B

521As per a service bulletin, if rear toe in of Swift is more that

4.5mm, then what is to be doneReplace wheel bearing Rear axle rear wheel rim rear wheel spindle D

522 Name the instrument to check wheel rim, run out Dial gauge Vernier caliper Micrometer Straight edge A

523In Swift ,blower motor relay is normally located at

___________

Engine compartment fuse

boxJ/B fuse box Separate location in ECM B

524 Name the tool to be used for A/C performance inspection Thermometer SDT manifold gauge All of these D

525During A/C performance checking blower speed selector

should be at ___________ position Maximum speed Minimum speed Any speed A

526During A/C performance checking blower air direction

selector knob should be at ___________ position Demister Mode Face Mode Dual Mode any condition B

527A chattering noise is heard when compressor is in

operation. The problem could be ____________

Clearance between

magnetic clutch and pulley

is High

Clearance between

magnetic clutch and

pulley is Low

Low refrigerant quantityMore refrigerant

quantityA

528If compressor is in operation after switching OFF the AC

switch. The problem could be ____________

Clearance between

magnetic clutch and pulley

is High

Clearance between

magnetic clutch and

pulley is Low

Low refrigerant quantityMore refrigerant

quantityB

529When charging refrigerant without replacing any

component, replenish the same amount of measured oil

when recovering refrigerant

TRUE FALSE A

530 AC gas charging should be carried out.

Through low pressure side

of A/C system with engine

running

Through high pressure

side of A/C system with

engine

running

Through high pressure


engine stop

Through low pressure


engine

stop

B

531As per correct order of A/C gas recharging, Compressor oil

feeding is done After recovery of AC gas Before Charging AC gas After Charging AC gas Any time C

532Identify the correct statement, while replacing new A/C

compressor

Oil quantity of old

compressor is to be

maintained inside new

compressor

Oil quantity in new

compressor to be

maintained as in factory

condition

A

533Blower motor is inspected for continuity and

___________________Current resistance Voltage None A

534In Swift Diesel, A/C compressor is inspected for the which

parametersResistance Clutch clearance Both None C

535Proper defogging can be done if defogger is operated with

air intake actuator in recirculation modeTRUE FALSE B

536Dual pressure switch should be checked in which of the

following conditionHigh pressure Low pressure High and low pressure Any condition C

537 Sun load sensor is located at dashboard near bumper On roof Under bonnet A

538 DTC ((without SDT) of Auto A/C system on SX4 appears on Tachometer OdometerLamp in combination

meterAuto A/C controller D

539The engine overheats when radiator fan does not operate

the problem could be

Radiator Fuse blown Radiator cooling fan

relay faulty Wiring or ground faulty

All of these D

540If air bleed valve of thermostat is stuck up, then engine will

overheatTRUE FALSE A

541 The fail safe mode of ECT

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Bronze Master Question Bank - Theory Viva