MMV 2YEAR MCQ 226-451

 MMV 2YEAR MCQ 226-451

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226 : What is the purpose of ‘G’ sensor?

A : Locking pressure inside wheel cylinder

B : Measuring deceleration rate of vehicle

C : Reduce pressure at wheel cylinder

D : Detect wheel lock up condition

Correct Answer:- B : Measuring deceleration rate of vehicle

227 : Which device detect the driven wheel spin through sensor?

A : EBD          B : ECU          C : TCS           D : ELSD

Correct Answer:-  B : ECU 

228 : How the EBD (Electronic Brake Force Distribution) failure indicated to the driver?

A : Peep sound in the cabin 

B : Indication lamp the dash board 

C : Glowing the parking lamp

D : Flickering the tail lamp 

Correct Answer:- C : Glowing the parking lamp

229 : What is the advantage of TCS/ELSD brake circuit of wheel?

A : Reduce the pressure at wheel cylinder  

B : Reduce fluid pressure 

C : Automatic adjustment of engine torque to the grip rates

D : Avoid wheel lockup by releasing pressure 

Correct Answer:- C : Automatic adjustment of engine torque to the grip rates

230 : What is the function of traction control system?

A : Prevent wheel spinning

B : Release the pressure to expansion tank 

C : Reduce the engine torque 

D : Reduce steering effort

Correct Answer:- A : Prevent wheel spinning

231 : What is the function of EBD (Electronic Brake - Force Distribution) in anti lock brake system?

A : It control the slip of the front wheel

B : It controls the slip of the rear wheel 

C : It increase brake pressure to the rear wheel 

D : It improve directional stability of vehicle

Correct Answer:- B : It controls the slip of the rear wheel 

232 : When motor vehicle act came into force?

A : 1 July 1989

B : 01 Aug 1987 

C : 1 Aug 1985

D : 1 July 1988 

Correct Answer:- A : 1 July 1989

233 : How to define a vehicle constructed to carry more than 6 passengers but not more than 12 passengers?

A : Light motor vehicle

B : Maxi cab

C : Goods carriage 

D : Contract carriage

Correct Answer:- B : Maxi cab

234 : What is the age limit prescribed to drive transport vehicles?

A : 16 Years 

B : 18 Years

C : 20 Years 

D : 22 years 

Correct Answer:- C : 20 Years 

235 : What is the validity of learner driving license?

A : 6 Months

B : 8 Months

C : 10 Months 

D : 1 year 

Correct Answer:- A : 6 Months

236 : What is the validity period for transport vehicle license?

A : 5 Years

B : 10 Years 

C : 8 Years

D : 3 Years 

Correct Answer:- D : 3 Years 

237 : What is the validity period of the license to drive non transport vehicle?

A : 10 Year

B : 15 Years

C : 20 Years 

D : 22 Years 

Correct Answer:- C : 20 Years 

238 : What is the validity for international driving license?

A : 2 Years

B : 3 Years

C : 1 Years

D : 5 Years

Correct Answer:- C : 1 Years

239 : What is the name of sign?

A : Gap in median

B : Narrow bridge

C : Narrow road 

D : Road widens

Correct Answer:- B : Narrow bridge

240 : What is the overall length of a transport vehicle with rigid frame with two or more axles permitted by motor vehicle rules?

A : 8 Mtrs 

B : 12 Mtrs 

C : 6 Mtrs

D : 15 Mtrs

Correct Answer:- B : 12 Mtrs

261  What will be effect on engine performance in case of air in the fuel system?               

A  High fuel consumption 

B  Engine runs erratically                                                 

C  High oil consumption                                                                   

D  Low fuel consumption 

Correct Answer:- B  Engine runs erratically  

262  What is the cause of erratic running of engine?

A  Defective radiator pressure cap 

B  Water present in the fuel 

C  Low compression pressure

D  Clogged air cleaner 

Correct Answer:- B  Water present in the fuel 

263  What causes high oil pressure?

A  Defective oil pump 

B  Water present in the fuel 

C  Defective relief valve

D  Defective fuel feed pump

Correct Answer:- C  Defective relief valve

264  What is the result of more carbon deposit on the piston head? 

A  Engine over heating 

B  High fuel consumption

C  Low power generation

D  Engine noise 

Correct Answer:- D  Engine noise 

 

265  What is the effect on engine performance if the low viscosity grade oil used?

A  High fuel consumption

B  Less oil consumption 

C  Excessive oil consumption 

D  Engine will be over heated

Correct Answer:- C  Excessive oil consumption 

266  What is the result of weak compression pressure?

A  High oil consumption 

B  Low fuel consumption 

C  Lower power generation

D  Engine will not start 

Correct Answer:- C  Lower power generation

267  What is the cause of low power generation?

A  Improper tappet clearance 

B  High oil level 

C  Engine overheating 

D  Low oil viscosity

Correct Answer:- A  Improper tappet clearance 

268  What causes high fuel consumption?

A  Less water level in the radiator 

B  Clogged air cleaner

C  Defective thermostat valve 

D  Exhaust manifold clogged

Correct Answer:- B  Clogged air cleaner

269  What will be the effect of clogged fuel tank vent hole?

A  Engine does not start

B  High fuel consumption 

C  High oil consumption 

D  Engine over heating

Correct Answer:- A  Engine does not start

270  What is the name of part marked as ‘X’ in the multi point fuel injection? |

A  Intake port 

B  Intake valve 

C  Intake manifold 

D  Injectors 

Correct Answer:- C  Intake manifold 

271  What is the name of part marked as ‘X’ in the MPFI system? 

A  Fuel filter 

B  Electric fuel pump 

C  Pressure regulator

D  Electronic control unit 

Correct Answer:- B  Electric fuel pump 

272  What is the firing order for four cylinder engine?

A  1,3,4,2 

B  1,2,3,4 

C  2,3,1,4 

D  3,1,4,2

Correct Answer:- A  1,3,4,2 

273  What is the temperature limit set to ON/OFF for the radiator control system?

A  ON and OFF at below 98°c and 93°c 

B  ON and OFF at above 98°c and 93°c 

C  ON and OFF at below 93°c and 84°c

D  ON and OFF at above 90°c and 81°c 

Correct Answer:- A  ON and OFF at below 98°c and 93°c 

274  What is the name of device used in the ignition system?

A  Distributor 

B  Ignition coil  

C  Condenser 

D  Contact breaker 

Correct Answer:- C  Condenser 

275  What is the name of part marked as ‘X’ in the ignition coil?

A  Primary winding 

B  Secondary winding 

C  Backlite cap 

D  Secondary cap 

Correct Answer:- A  Primary winding 

276  Which law states that the induction of electromotive force in any closed circuit is equal to the rate of change of magnetic flux?

A  Law of resistance

B  Ohms law 

C  Charles law 

D  Faraday's law

Correct Answer:- D  Faradays law

277  What is the name of sensor?

A  Crank position senor 

B  Pressure sensor 

C  Temperature sensor

D  Hall effect sensor 

Correct Answer:- A  Crank position senor 

278  What is the name of sensor?

A  Temperature sensor

B  Pressure sensor 

C  Blind spot sensor  

D  Air vertex sensor 

Correct Answer:- B  Pressure sensor 

279  What is the name of gauge used to check spark plug gap?

A  Radious gauge

B  Feeler gauge

C  Angle gauge

D  Plug gauge 

Correct Answer:- B  Feeler gauge

280  What is the type of sensor? 

A  Cam shaft position sensor  

B  Throttle position sensor 

C  Crank shaft position sensor 

D  Magnetic induction sensor

Correct Answer:- C  Crank shaft position sensor 

281 : What is the name of sensor?

A : Temperature sensor 

B : Throttle position sensor 

C : Crank shaft position sensor

D : Pressure sensor

Correct Answer:- D : Pressure sensor

282 : What is the type of sensor?

A : Pressure sensor 

B : Temperature sensor 

C : Throtte position sensor  

D : Magnetic induction sensor

Correct Answer:- B : Temperature sensor

283 : What is the name of part marked as ‘X’ in the spark plug?

A : Body  

B : End cap 

C : Insulator

D : Centre electrode

Correct Answer:- C : Insulator

284 : What is the permitted spark plug gap in general?

A : 2.83 mm 

B : 2.03 mm 

C : 2.53 mm 

D : 2.92 mm

Correct Answer:- B : 2.03 mm 

285 : What is the name of part marked as ‘X’ in the distributor?

A : Rotor 

B : Condensor 

C : Distributor cap

D : Cam 

Correct Answer:- B : Condensor 

286 : What is the name of part marked as ‘X’ in the centrifugal advance mechanism?

A : Centrifugal weights  

B : Distributor cap

C : Distributor shaft 

D : Breaker plate 

Correct Answer:- C : Distributor shaft 

287 : What is the name of part marked as ‘X’ in the vacuum advance mechanism?

A : Vacuum unit 

B : Diaphragm

C : Breaker plate 

D : Distributor 

Correct Answer:- B : Diaphragm

288 : How many spark plugs are ignited at the same time in the distributor less ignition system?

A : Two

B : Three 

C : Four 

D : Five 

Correct Answer:- A : Two

289 : What is the function of distributor in the battery ignition system? 

A : Distribute high tension current from ignition coil to secondary winding

B : Distribute high tension current flow ignition coil to spark plugs 

C : Opens and closes the secondary circuit of coil  

D : Distribute low tension current to ignition coil 

Correct Answer:- B : Distribute high tension current flow ignition coil to spark plugs 

290 : What is the purpose of condensor in the ignition system? 

A : Distribute high tension current to spark plugs 

B : Insulate spark plug electrodes 

C : Prevents arcs at the points

D : Open and close the primary circuit

Correct Answer:- C : Prevents arcs at the points

291 : What is the achived through spark plug end gap design? 

A : Improve combustion swirl 

B : Increase the fuel pressure 

C : Improve fuel atomisation 

D : Helps for the complete ignition

Correct Answer:- A : Improve combustion swirl 

292 : Why many engines use spark plugs with tapered seats?

A : Helps in easy fitting 

B : Produce correct alignment 

C : Provide clearance space 

D : Produce good sealing 

Correct Answer:- D : Produce good sealing 

293 : What will be the effect of the long heat path travel in the spark plug? 

A : Spark plug will run cooler

B : Life of spark plug increased 

C : Spark plug will run hot

D : Improper atomisation 

Correct Answer:- C : Spark plug will run hot

294 : What is the purpose of breaker plate in the distributor?  

A : Acts as contact breaker 

B : Prevents dirt, carbon into distributor 

C : Conduct the ignition surge to the electrode

D : Distribute high tension surge to ignition coil

Correct Answer:- B : Prevents dirt, carbon into distributor 

295 : Which electronic control system prevent stalling of engine when additional loads are placed on the engine?  

A : Fuel injection control system 

B : Fuel pump control system

C : Idle speed control system 

D : Ignition control system 

Correct Answer:- C : Idle speed control system 

296 : How much is the difference in resistance is permitted in the temperature sensor unit? 

A : More than 100 ohms 

B : More than 150 ohms

C : More than 200 ohms  

D : More than 400 ohms

Correct Answer:- C : More than 200 ohms 

297 : What is the function of thermo time switch in engine control module? 

A : Sense exhaust gas temperature 

B : Sense engine coolant temperature 

C : Indicate lubricant temperature 

D : Indicate fuel temperature 

Correct Answer:- B : Sense engine coolant temperature 

298 : Which instrument indicate engine RPM in the engine control module?  

A : Pyno meter

B : Tachometer 

C : Galvano meter 

D : Hydro meter 

Correct Answer:- B : Tachometer 

299 : Where the engine control module installed in the engine? 

A : Under side of instrument panel

B : In the gear box assembly 

C : Near the fly wheel

D : Front side of radiator 

Correct Answer:- A : Under side of instrument panel

300 : Which electronic control system supplies optimum air fuel mixture to the combustion chamber under different driving condition? 

A : Idle speed control system

B : Fuel injection control system 

C : Ignition control system

D : Oil pump control system

Correct Answer:- B : Fuel injection control system 

301 : Which part of electronic fuel injection system controls opening of bypass air passage?  

A : Pressure relief valve 

B : Idle air control valve 

C : Throttle valve 

D : Check valve

Correct Answer:- B : Idle air control valve 

302 : Which part of ignition system connects and disconnects primary circuit? 

A : Distributor 

B : Condenser 

C : Contact breaker

D : Ignition coil

Correct Answer:- C : Contact breaker

303 : What is the function of ignition coil? 

A : Step up low voltage to high voltage 

B : Step down high voltage to low voltage 

C : Connect the primary circuit to ignition switch

D : Disconnect the secondary circuit to distributor

Correct Answer:- A : Step up low voltage to high voltage 

304 : Which sensor located in the intake manifold or throttle body? 

A : Mass air flow sensor 

B : Oxygen sensor 

C : Hall effect sensor 

D : Air vertex sensor 

Correct Answer:- A : Mass air flow sensor 

305 : Which type of sensor located at the exhaust manifold?

A : Hall effect sensor 

B : Oxygen sensor

C : Air vertex sensor 

D : Mass air flow sensor

Correct Answer:- B : Oxygen sensor

306  Which sensor used to measure the magnitude of a magnetic field?

A  Air vertex sensor  

B  Voltage sensor 

C  Hall effect sensor 

D  Engine knocking sensor 

Correct Answer:- 

307  Which senor is used to sense vibration? 

A  Engine knocking sensor

B  Hall effect sensor 

C  Air vertex sensor 

D  Vehicle speed sensor

Correct Answer:- 

308  Which type of sensor used to monitor the injection timing and ignition timing of engine? 

A  Pressure sensor 

B  Throttle position sensor

C  Crank and cam, shaft position sensor 

D  Engine knocking sensor

Correct Answer:- 

309  Which sensor is used to alert the driver of unseen obstacles? 

A  Speed sensor 

B  Parking sensor 

C  Torque sensor 

D  Pressure sensor 

Correct Answer:- 

310  Which part of cold start system allow additional air to bypass the throttle plate? 

A  Auxiliary air valve  

B  Air supply relay 

C  Thermo time switch 

D  Oxygen sensor

Correct Answer:- 

311  What is the purpose of tachometer? 

A  Indicate coolant temperature

B  Indicate engine RPM 

C  Indictae fuel level 

D  Indicate oil pressure 

Correct Answer:- 

312  What is the advantage of EFI engine management system? 

A  Increased thermal efficiency

B  Increased mechanical efficiency 

C  Better starting and acceleration 

D  Effective fuel distribution achived

Correct Answer:- 

313 : What is the special feature of cold start system?  

A : Provide additional fuel during starting  

B : Provide positive starting 

C : Intake manifold

D : Determine timing and sequence of fuel injection

Correct Answer:- 

314 : What is the effect on engine performance if air leak in the induction system observed?

A : Engine hard to start - Hot 

B : Engine cranks but will not start

C : Pressure regulato 

D : Engine produce abnormal noise 

Correct Answer:- 

315 : What is the contributory cause for the engine hard to start - cold? 

A : Thermo time switch faulty

B : Defective oil pressure 

C : Faulty fuel filter 

D : Damaged radiator 

Correct Answer:- 

316 : What is the cause of electrodes burning in the spark plug?

A : Plug runs too cold 

B : Incorrect tappet clearance 

C : Plug runs too hot

D : Incorrect fuel mixture

Correct Answer:- 

317 : What is the name of alternator part?

A : Drive end frame 

B : Spring end frame 

C : Rotor assembly 

D : Stator assembly 

Correct Answer:- 

318 : What is the name of alternator part?

A : Drive end frame

B : Voltage regulator 

C : Slip ring end frame 

D : Current regulator

Correct Answer:- 

319 : What is the name of part marked as ‘X’ in the alternator charging circuit?

A : Ignition switch 

B : Ammeter 

C : Ignition core

D : Fuse 

Correct Answer:- 

320 : What is the purpose of ‘V’ pulley in the charging system? 

A : Drive the cam shaft 

B : Rotate the alternator rotor 

C : Drive the crank shaft 

D : Support rectifiter mounting plates 

Correct Answer:- 

321 : What is the name of part marked as ‘X’ in the starting system? 

A : Key switch 

B : Armature 

C : Solenoid switch 

D : Starting motor 

Correct Answer:- 

322 : What is the name of part marked as ‘X’ in the starting circuit?

A : Solenoid switch 

B : Solenoid windings 

C : Starter switch

D : Startor motor 

Correct Answer:- 

323 : What is the type of starting system?

A : Bendix drive

B : Axial or sliding armature drive 

C : Overrunning clutch drive 

D : Sliding clutch drive 

Correct Answer:- 

324 : Which type of DC starter motor generally used in automoniles? 

A : Series type 

B : Shunt type 

C : Compound type 

D : Parallel type 

Correct Answer:- 

325 : What is the type of winding used in DC starter motors?

A : Series type 

B : Parallel type 

C : Compound type 

D : Shunt type

Correct Answer:- 

326 : What is the name of part marked as ‘X’ in the solenoid switch?

A : Hold in winding 

B : Starter switch 

C : Pull in winding 

D : Iron plunger

Correct Answer:- 

327 : What is the type of starting system?

A : Over running clutch drive 

B : Bendix drive 

C : Sliding armature type 

D : Radial sliding armature type 

Correct Answer:- 

328 : What is the name of part marked as ‘X’ in the bendix type starting system?

A : Anti drift spring 

B : Bendix drive spring 

C : Armature shaft

D : Fly wheel 

Correct Answer:- 

329 : What is the name of part marked as ‘X’ in the solenoid switch?

A : Armature shaft 

B : Shift lever 

C : Pinion

D : Fly wheel ring gear

Correct Answer:- 

330 : What is the name of device used in the starting system?

A : Armature shaft

B : Fly wheel 

C : Pinion gear 

D : Over running clutch

Correct Answer:- 

331  What is the type of starter motor circuit? 

A  Series type

B  Parallel type

C  Shunt type

D  Compound type 

Correct Answer:- D  Compound type 

332  What is the name of part marked as ‘X’ in the starting circuit?

A  Solenoid switch

B  Plunger

C  Battery 

D  Starter switch

Correct Answer:- B  Plunger

333  What is the name of part marked as ‘X’ in the armature winding? 

A  Pole shoes

B  Brushes

C  Commutator

D  Drive end bracket 

Correct Answer:- C  Commutator

334 : What is the name of part marked as ‘X’ in the armature winding?

A : Brushes 

B : Field coil

C : Commutator 

D : Drive end bracket

Correct Answer:- B : Field coil

335 : What is the working principle of alternator?

A : Ohms law

B : Law of resistance

C : Electromagnetic induction 

D : Lenz’s law 

Correct Answer:- C : Electromagnetic induction 

336 : What is the type of device?

A  Alternator

B : Distributor 

C  Ignition coil

D : Condensor

Correct Answer:- A  Alternator

337 : What is the name of part marked as ‘X’ in the rotor assembly?

A : Connection to rectifier

B : Laminated core

C : Slip ring

D : Field coil

Correct Answer:- C : Slip ring

338 : What is the material used to make diodes?

A : Mica

B : Silicon

C : Alumina foil

D : Graphite

Correct Answer:- B : Silicon

339 : Which part of bendix drive starting system limit the turning of the sleeve on the armature shaft?

A : Pinion 

B : Bendix drive spring

C : Anti drift spring  

D : Fly wheel

Correct Answer:- B : Bendix drive spring

340 : What is the purpose of slot provided in the laminated cylindrical iron core of stator assembly?

A : For lubricantion 

B : For fitting insulated windings 

C : For easy fitting 

D : Provide space for cooling

Correct Answer:- B : For fitting insulated windings 

341 : What is the function of over running clutch in the starting system? 

A : Protect armature from damge

B : Prevent sliding movement of pinion

C : Operate the solenoid

D : Drive the armature shaft

Correct Answer:- A : Protect armature from damge

342 : How the alternator field terminal is connected to the battery?

A : By ignition switch

B : By indicator lamp

C : By charge indicator

D : By voltage regulator

Correct Answer:- A : By ignition switch

343 : What is the function of drive end frame in the alternator?

A : Carriers driving pulley

B : Connecting to spring loaded brush

C : Allow current flow in one direction 

D : Support the pre lubricated sealed bearing

Correct Answer:- D : Support the pre lubricated sealed bearing

344 : What is the function of solenoid switch?

A : Open and close the circuit between primary and secondary

B : Stepdown voltage from primary to secondary winding

C : Close the contact between battery and starting motor

D : Shift the lever to engage the plunger

Correct Answer:- C : Close the contact between battery and starting motor

345 : What is the function of rotor assembly? 

A : Supports pre lubricated scaled bearing

B : Carriers driving pulley and cooling fan

C : Allow the current flow in one direction

D : Supports rectifier mounting plates

Correct Answer:- B : Carriers driving pulley and cooling fan

346 : Which type of winding is connected to the starter switch in the solenoid switch?

A : Pull in winding 

B : Hold in winding  

C : Compound winding 

D : Primary winding 

Correct Answer:- A : Pull in winding 

347 : What is the minimum RPM of crank shaft required to start the engine?

A : 180 RPM 

B : 200 RPM 

C : 100 RPM 

D : 150 RPM

Correct Answer:- C : 100 RPM 

348 : Where the starter motor located?

A : Front side of engine

B : Rear side of engine 

C : Top side of engine 

D : Bottom of engine

Correct Answer:- B : Rear side of engine 

349 : What is the advantage of series winding type starter motor?

A : Produce high starting torque

B : Produce constant starting torue

C : Increase the life of armature 

D : Less cost of maintance

Correct Answer:- A : Produce high starting torque

350 : Why it is necessary to disengage the starter pinion from fly wheel ring gear once the engine has started?

A : Prevent damage to starter motor

B : Prevent wastage of current

C : Reduce the wear on commutator

D : Increase the fuel efficiency

Correct Answer:- A : Prevent damage to starter motor

351 : How the armature winding ends are connected with commutator?

A : By welding 

B : By soldering 

C : By riveting 

D : By brazing 

Correct Answer:- B : By soldering 

352 : What is the purpose of alternator?

A : Produce more electricity at high RPM

B : Produce more electricity at low RPM

C : Produce constant electric supply at high RPM  

D : Produce variable electric supply at high RPM

Correct Answer:- B : Produce more electricity at low RPM

353 : What is the function of diodes?

A : Convert AC to DC

B : Convert DC to AC

C : Step up voltage

D : Step down voltage

Correct Answer:- A : Convert AC to DC

354 : Which device used to prevent damage to the battery and other electrical accessories?

A : Voltage regulator 

B : Current regulator

C : Distributor assembly 

D : Alternator

Correct Answer:- A : Voltage regulator

355 : What is the adverse effect of fly wheel ring to starter pinion ratio is very high?

A : Reduce the starting torque

B : Damage to starter motor 

C : Increase the starting torque

D : Starter motor fails to start 

Correct Answer:- B : Damage to starter motor

356 : Why the brushes are provided with a curvature at the bottom in the starting system?

A : Prevent wear on commutator 

B : Provide more contact with commutator 

C : Ensure proper heat dessipation

D : Provide ventilation to commutator

Correct Answer:- B : Provide more contact with commutator 

357 : What is the contributory cause of starter motor running but not cranking?

A : Abnormally woem brush 

B : Over running clutch slipping

C : Faullty ECM circuit

D : Poor contacting action of ignition

Correct Answer:- B : Over running clutch slipping

 356 : Why the brushes are provided with a curvature at the bottom in the starting system?

A : Prevent wear on commutator 

B : Provide more contact with commutator

C : Ensure proper heat dessipation 

D : Provide ventilation to commutator

Correct Answer:- B : Provide more contact with commutator

357 : What is the contributory cause of starter motor running but not cranking?

A : Abnormally woem brush

B : Over running clutch slipping 

C : Faullty ECM circuit 

D : Poor contacting action of ignition

Correct Answer:- B : Over running clutch slipping 

358 : What will be the result of worn teeth of ring gear in the starting system? 

A : Motor running but too fast 

B : Motor not running no operating sound of magentic switch

C : Starter motor running too slow

D : Starter motor running but not cranking 

Correct Answer:- D : Starter motor running but not cranking 

359 : What is the possible cause of motor not running and no operating sound of magnetic switch? 

A : Burnt commutator 

B : Battery discharged

C : Worn brushes

D : Worn pinion tip 

Correct Answer:- B : Battery discharged

360 : Why anti drift spring is provided in the bendix drive starting system?

A : Provide grip over armature shaft

B : Avoid the side way movement of armature shaft 

C : Prevent pinion striking fly wheel 

D : Resist wear on the fly wheel 

Correct Answer:- C : Prevent pinion striking fly wheel 

361 : What is the cause of low voltage output from alternator? 

A : Faulty regulator

B : Loose mountings

C : Wornout bearing 

D : Loose drive pully 

Correct Answer:- A : Faulty regulator

362 : What causes charges at high rate in the alternator? 

A : Open rectifier circuit 

B : Open field current 

C : Voltage regulator setting too low

D : Voltage regulator setting too high

Correct Answer:- D : Voltage regulator setting too high

363 : What will be the result of loose drive pulley in the alternator?

A : Charges at high rate  

B : Low voltage output from alternator

C : No change when engine running 

D : Alternator noisy

Correct Answer:- D : Alternator noisy

364 : What causes no charge when engine is running?

A : Drive belt loose

B : Shorted rectifier 

C : Sticky regulator 

D : Brushes not seating properly

Correct Answer:- A : Drive belt loose

365 : What is the colour of pilot lamp provided in the vehicle?

A : Red  

B : Green 

C : White

D : Orange

Correct Answer:- B : Green 

366 : What is the colour of front indicator lamps?

A : Red 

B : White 

C : Green 

D : Orange

Correct Answer:- B : White 

367 : What is the name of part marked as ‘x’ in the flasher wiring circuit?

A  Battery

B  Two way switch

C  Flasher unit

D  Flasher lamps

Correct Answer:- C  Flasher unit

368  What is the type of head light?

A  Sealed beam head light

B  Halogen head light

C  LED head light

D  Double filament head light

Correct Answer:- B  Halogen head light

369  What is the expansion of LED?

A  Long electrical diodes

B  Light electronic diodes

C  Light emitting diodes

D  Limited electrical data

Correct Answer:- C  Light emitting diodes

370  What is the gas filled in the sealed beam head lights?

A  Oxygen gas

B  Nitrogen gas

C  Argon gas

D  Hydrogen gas

Correct Answer:- C  Argon gas

371 : What is the type of light fitting in the vehicle?

A : Catridge type dome light 

B : Wedge base instrument light 

C : Parking light 

D : Sealed beam head light 

Correct Answer:- D : Sealed beam head light

372 : Where the red colour indicator lamps are provided in the vehicle?

A : Front side

B : Pilot lamp

C : Side of vehicle 

D : Rear side 

Correct Answer:- D : Rear side 

373 : What is the advantage of using side indicator in a vehicle? 

A : Prevent accident while turning left and right

B : Provide effective illumination 

C : Indicate the vehicle behind 

D : Provide enough visibility 

Correct Answer:- A : Prevent accident while turning left and right

374 : What is the use of cornering light in a vehicle? 

A : Provide interior illumination

B : Highlight the blind spot during bend 

C : Indicate traffic behind vehicle 

D : Provide enough visibility to driver

Correct Answer:- B : Highlight the blind spot during bend 

375 : Which type of head light provide 25% more light than sealed beam head lights?

A : Neon type head light

B : Halogon head light

C : LED type head light

D : LCD type head light

Correct Answer:- B : Halogon head light

376 : Which type of lights provide maximum brightness in a shorter time?

A : LED light 

B : LCD light

C : Halogen light

D : Neon light

Correct Answer:- A : LED light 

377 : What is the purpose of indexing pin provided in the bulb case?

A : Complete the circuit

B : Retain the bulb in the socket 

C : Prevent damage to light 

D : For easy identification

Correct Answer:- B : Retain the bulb in the socket 

378 : What is the use of single red lamp of 24 watts fitted at the rear?

A : Provide enough visibility

B : Give indication the traffic behind

C : Help driver to see full width of road

D : Provide interior illumination 

Correct Answer:- C : Help driver to see full width of road

379 : What is the use of tail light? 

A : Indication to vehicle behind

B : Indication to slowing down

C : Provide interior illumination

D : Provide enough visibility

Correct Answer:- A : Indication to vehicle behind

380 : Which light give indication to the traffic behind the vehicle for slowing down?

A : Stop light 

B : Fog light 

C : Dome light

D : Head light

Correct Answer:- A : Stop light 

381 : Which light provide effective illumination during snowfall?

A : Head light

B : Parking light 

C : Fog light 

D : Stop light 

Correct Answer:- C : Fog light 

382 : What is the purpose of dome light circuit?

A : Panel board gauges indication 

B : Interior illumination 

C : Used for parking vehicle on road 

D : Provide enough visibility to driver 

Correct Answer:- B : Interior illumination 

383 : Which circuit provide miniature bulbs to know the working gauges?

A : Panel light circuit 

B : Head light circuit 

C : Parking light circuit 

D : Stop light circuit 

Correct Answer:- A : Panel light circuit 

384 : What is the use of two small lamps fitted front and rear of vehicle?

A : Used for visibility

B : Provide illumination 

C : Used for parking on the road 

D : Provide caution to the driver 

Correct Answer:- C : Used for parking on the road 

385 : Which lighting circuit provided with dip and dim switch?

A : Parking light circuit 

B : Head light circuit

C : Panel light circuit  

D : Fog light circuit

Correct Answer:- B : Head light circuit

386 : What is the device used in air conditioning system?

A : Compressor 

B : Condenser 

C : Receiver 

D : Evaporator 

Correct Answer:- A : Compressor

387 : What is the name of device in air conditioning system?

A : Magnetic clutch 

B : Condenser

C : Receiver

D : Expansion valve 

Correct Answer:- A : Magnetic clutch 

388 : What is the name of air conditioning? 

A : Compressor 

B : Receiver

C : Condenser 

D : Blower 

Correct Answer:- C : Condenser 

389 : What is the name of device?

A : Evaporator

B : Condenser 

C : Blower 

D : Expansion valve 

Correct Answer:- D : Expansion valve 

390 : What is the name of device? 

A : Condenser 

B : Evaporator 

C : Receiver 

D : Expansion valve 

Correct Answer:- B : Evaporator 

391 : What is the name of device?

A : Ambient temperature sensor

B : Thermostatic switch 

C : Expansion valve  

D : Servo motor

Correct Answer:- B : Thermostatic switch 

392 : What is the boiling point of refrigerant R-134a?

A : 20.5°C

B : 22.0°C 

C : 26.5°C 

D : 27.8°C

Correct Answer:- C : 26.5°C 

393 : What should be the high air flow rate permitted while doing performance checking in automobile AC system?

A : 4 kg per min 

B : 6 kg per min 

C : 8 kg per min

D : 10 kg per min

Correct Answer:- C : 8 kg per min

394 : What is the name of device used in the automobile AC system?

A : Thermostatic switch 

B : Expansion valve 

C : Ambient temperature sensor 

D : Evaporator 

Correct Answer:- C : Ambient temperature sensor 

395 : Which is not the part of servo motor assembly? 

A : Gear reduction unit 

B : Normal DC motor

C : Position sensor 

D : Expansion valve 

Correct Answer:- D : Expansion valve 

396 : How much DC supply voltage required for servo motor?

A : 4 V to 8 V  

B : 4.8 V to 6 V 

C : 3.5 V to 8 V 

D : 5 V to 7.5 V 

Correct Answer:- B : 4.8 V to 6 V 

397 : Which wire of servo motor connected to power supply? 

A : White 

B : Yellow 

C : Black 

D : Red 

Correct Answer:- D : Red 

398 : What is the type of heat control system? 

A : Ventilation system

B : Air blending heating system

C : Water valve heating system 

D : Automatic climatate control system 

Correct Answer:- C : Water valve heating system 

399 : What is the name of part marked as ‘x’ in the air blending heating system? 

A : Fan

B : Interior 

C : Demister 

D : Matrix 

Correct Answer:- C : Demister 

400 : What is the function of magnetic clutch in air conditioning system?

A : Cool the hot refrigerant 

B : Connect and disconnect drive to compressor

C : Absorbs moisture in the system 

D : Control the refrigerant flow to evaporator

Correct Answer:- B : Connect and disconnect drive to compressor

401 : What is the function of condenser?

A : Control the refrigerant flow

B : Absorbs moisture in the system

C : Cool the hot refrigerant

D : Convert refrigerant to vapour 

Correct Answer:- C : Cool the hot refrigerant

402 : Which part of air conditioning system absorbs moisture in the system?

A : Expansion valve 

B : Receiver

C : Condenser  

D : Evaporator

Correct Answer:- B : Receiver

403 : Which part of air conditioning system remove heat from air and transfer to the refrigerant?

A : Evaporator

B : Condenser  

C : Receiver

D : Blower 

Correct Answer:- A : Evaporator

404 : Which type of flow mode is selected if outside is dusty and contaminated in car AC

system?

A : Recirculation mode 

B : Fresh mode

C : Heating mode  

D : Defroster mode 

Correct Answer:- A : Recirculation mode 

405 : Which device acts as an evaporator temperature sensing switch?

A : Thermostatic switch 

B : Blower switch

C : Heater switch 

D : Defroster switch

Correct Answer:- A : Thermostatic switch 

406 : Where the ambient temperature sensor is located in the vehicle?

A : Behind the grill

B : Rear side of engine 

C : Front axle 

D : Top of servo motor

Correct Answer:- A : Behind the grill

407 : What is the function ambient temperature sensor in the air conditioning system?

A : Monitor air temperature inside vehicle

B : Monitor air temperature outside vehicle

C : Monitor air temperature in driver cabin 

D : Monitor air temperature at the exhaust

Correct Answer:- B : Monitor air temperature outside vehicle

408 : What is the advantage of using servo motor in air conditioning system? 

A : High speed operation possible

B : Suitable for precision control of rotation 

C : Low cost of maintenance

D : Suitable to prevent vibration

Correct Answer:- A : High speed operation possible

409 : Which sensor measures the actual body temperature of passengers?

A : Smog sensor

B : Sun load sensor  

C : Infrared sensor 

D : Interior temperature sensor

Correct Answer:- C : Infrared sensor 

410 : Which sensor causes off the outside air inlet or other odours? 

A : Infrared sensor 

B : Smog sensor 

C : Sunload sensor

D : Temperature sensor

Correct Answer:- B : Smog sensor 

411 : What is the name of part marked as ‘X’ in the horn circuit?

A : Battery 

B : Solenoid switch

C : Horn relay 

D : Fuse

Correct Answer:- B : Solenoid switch

412 : What is the type of horn?

A : Air horn 

B : Bulb horn 

C : Electric horn 

D : Wind horn 

Correct Answer:- A : Air horn 

413 : What is the name of Horn?

A : Air horn 

B : Bulb horn

C : Electric horn 

D : Horn relay 

Correct Answer:- C : Electric horn 

414 : What is the expansion of GPS in vehicle safety system?

A : Global Placing Satellites

B : Global Positioning Satellites

C : General Positioning Satellites

D : Global Preventing Systems 

Correct Answer:- B : Global Positioning Satellites

415 : What is the name of sensor used in the air bag systems?

A : Mass type air bag system sensor

B : Accelerometer type air bag system sensor

C : Interior temperature sensor

D : Infrared sensor

Correct Answer:- A : Mass type air bag system sensor

416 : What is the name of part marked as ‘X’ in the air bag inflator module?

A : Clock spring electrical unit

B : Air bag module

C : Steering column

D : Steering wheel 

Correct Answer:- C : Steering column

417 : What is the expansion of ICAT in the vehicle safety system?

A : Indian computer advanced technology 

B : Inteligent computerized anti theft system 

C : Inteligent computer advanced techonlogy

D : Indian combat advanced technology

Correct Answer:- B : Inteligent computerized anti theft system

418 : What is the name of part marked as ‘X’ in the Horn assembly?

A : Armature

B : Striker plate

C : Contact breaker 

D : Diaphragm 

Correct Answer:- B : Striker plate

419 : What is the type of horn?

A : Bulb horn  

B : Air horn 

C : Vibrating type horn

D : Wind tone type horn 

Correct Answer:- A : Bulb horn 

420 : What is the advantage of multiplex network? 

A : Improve vehicle safety system 

B : Prevent malfunctioning of air bag system  

C : Reduce system cost and weight 

D : Determine vehicle tracking system

Correct Answer:- D : Determine vehicle tracking system

421 : Which system determine the vehicles location by forming a triangle with a group of four or more satallites?

A : Triangulation 

B : Reflective displays 

C : Telematic

D : Networking and Multiplexing

Correct Answer:- A : Triangulation 

422 : Which sensor used for safer parking of vehicle?

A : Infrared sensor 

B : Proximity sensor 

C : Crash sensor 

D : Air bag sensor 

Correct Answer:- B : Proximity sensor

423 : What is the purpose of seat belt pre tensioners? 

A : Hold the ocupant tightly in the seat 

B : Detect passengers weight 

C : Prevent the side way movement of seat  

D : Protect the occupant from head injury

Correct Answer:- A : Hold the ocupant tightly in the seat 

424 : How to confirm the satisfactory function of air bag system?

A : Air bag warming light come on during starting and stopping

B : Warming light on with engine running throught

C : Warning light on and flash few times and go out during starting 

D : Peep sound on during starting 

Correct Answer:- C : Warning light on and flash few times and go out during starting 

425 : Which device inflate the air bag in few milli seconds during vehicle collision?

A : Seat belt pre tensioners 

B : Steering lock

C : GPS tracker 

D : Inflator module 

Correct Answer:- D : Inflator module 

426 : Why seat belt and air bag systems are necessary in the vehicle?

A : Provide ventilation inside vehicle 

B : Prevent the steering wheel from turning 

C : To protect the driver and passenger

D : To track the stolen car 

Correct Answer:- C : To protect the driver and passenger

427 : What is the purpose of engine immobilizer?

A : Electric opening and closing of door 

B : Used to operate horn relay 

C : Prevent from starting the engine 

D : To compensate from sun light entering vehicle 

Correct Answer:- C : Prevent from starting the engine 

428 : How much is the current consumption of wind shield wiper motor?

A : 2.7 to 3.4 Amps

B : 2.2 to 3.2 Amps  

C : 1.8 to 3.2 Amps 

D : 3.5 to 5.2 Amps 

Correct Answer:- A : 2.7 to 3.4 Amps

429 : Which type of horn consist electically driven air pump forces air through plastic trumpet?

A : Wind horn 

B : Wind horn 

C : Air horn

D : Electric horn 

Correct Answer:- B : Wind horn 

430 : Which type of wipers are used for heavy motor vehicles? 

A : Hand operated wiper 

B : Vacuum operated wiper  

C : Hydraulically operated wiper 

D : Compressed air operated wiper 

Correct Answer:- D : Compressed air operated wiper

431  Which is the most commonly used wiper in all motor vehicles?

A  Electrically operated wipers 

B  Hydraulically operated wipers 

C  Vacuum operated wipers

D  Compressed air operated wipers 

Correct Answer:- A  Electrically operated wipers 

432  What is the cause of horn does not produce any sound? 

A  Relay point stuck up 

B  Fuse blown off 

C  Low voltage at horn terminal 

D  Tone disc damaged 

Correct Answer:- B  Fuse blown off 

433  What causes horn sounds continously even switch is in off positon?

A  Fuse blown off 

B  Incorrectly adjusted relay 

C  Relay point stuck up 

D  Low battery voltage 

Correct Answer:- C  Relay point stuck up 

434  Why horn produces low improper sound? 

A  Cracked diaphragm 

B  Fuse blown off 

C  Relay points stuck up 

D  Open field coil winding 

Correct Answer:- A  Cracked diaphragm 

435  What is the necessicity of wiper unit? 

A  To see road and traffic clearly

B  To provide easy steering 

C  To reduce effert on the steering 

D  To provide balancing of vehicle

Correct Answer:- A  To see road and traffic clearly

436  Why power windows are provided with lock out switch controlled by a driver? 

A  Prevent accident 

B  Provide effective operation 

C  Improve easy handling 

D  Prevent damage to windows

Correct Answer:- A  Prevent accident 

437  What is the cause of window glass is not lifting while motor running properly?

A  Glass door channels unserviceable

B  Motor is defective 

C  Window glass lifting regulator defective 

D  Power window switch defective 

Correct Answer:- C  Window glass lifting regulator defective

438  What is the possible cause for immobilizer antenna error?

A  ECM problem 

B  Unregistered ignition key 

C  Poor transponder in key

D  Blown fuse

Correct Answer:- A  ECM problem 

439  Which labour act provide information regarding accidents death, or disability?

A  Employees statate insuracne act 1948

B  Employees P.F act 1952 

C  Workers compensation act 1923

D  Minimum wages act 1948

Correct Answer:- C  Workers compensation act 1923

440  Which act regulate the payment of wages to certain class of persons?

A  Payment of wages act 1936 

B  Trade union act 1926 

C  Minimum wages act 1948 

D  Equal remuneration act 1976

Correct Answer:- A  Payment of wages act 1936 

441  Which manual provide information regarding employment in india laws framed by state and central goverments? 

A  Shop manual 

B  Labour guide 

C  Owners manual 

D  Repair manual 

Correct Answer:- B  Labour guide 

442  Which type of manual provide information about engine no, chassis no and engine capacity?

A  Shop manual 

B  Labour guide 

C  Repair manual

D  Owners manual 

Correct Answer:- D  Owners manual 

443  Which type of manual give details about sequence of operation of the vehicle? 

A  Shop manual 

B  Owners manual  

C  Repair manual  

D  Labour guide 

Correct Answer:- C  Repair manual 

444  Which type of ECU control the power windows of vehicle? 

A  ECM 

B  EBCM 

C  BCM 

D  VCM 

Correct Answer:- C  BCM 

445  Which type of ECU is the combination of ECM and TCM in the vehicle?

A  PCM 

B  EBCM 

C  BCM 

D  VCM 

Correct Answer:- A  PCM 

446  What is the function of vehicle control module?  

A  Control actuators of engine

B  Control engine and vehicle performance 

C  Handle transmission 

D  Control anti clock brake system

Correct Answer:- B  Control engine and vehicle performance 

447  Which type of ECU control actuators of engine? 

A  VCM

B  TCM 

C  ECM

D  EBCM 

Correct Answer:- C  ECM

448  What does the 3rd digit code no 9. indicate system trouble in scan tool letter codes? 

A  Ignition system

B  Input/out signal and controls

C  Emission system 

D  Computer system 

Correct Answer:- B  Input/out signal and controls

449  What does the third digit of system trouble code no.6 deals with in scan tool letter code? 

A  Ignition system 

B  Emision system 

C  Computer system

D  Transmission system

Correct Answer:- C  Computer system

450  What does the first unit identify in the scan tool letter code?

A  Manufacturer unique number 

B  Trouble code reference system 

C  Type of error 

D  Specific failure 

Correct Answer:- C  Type of error 

451  What is the motive of vehicle information report? 

A  Provide information about vehicle registration history  

B  Provide information about tracking of vehicle

C  Provide information about vehicle safety

D  Provide information about warming system

Correct Answer:- A  Provide information about vehicle registration history