Mechanic Motor Vehicle - 2 Year MCQ 21

Mechanic Motor Vehicle -  2 Year MCQ 21

MMV 2 YEAR ALL QUESTION ANSWER HERE

 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