Mechanic Motor Vehicle - 2 Year MCQ 5

 Mechanic Motor Vehicle - 2 Year                     MCQ 5

MMV 2 YEAR ALL QUESTION ANSWER HERE


51 What is the name of part marked as ‘X’ in the single plate clutch?


A  Clutch plate hub 
B  Gear box drive shaft 
C  Fly wheel 
D  Pressure plate
Correct Answer:- C  Fly wheel 

52  What is the main feature of hydraulic actuated clutches? 
A  Pedal effort transmitted through linkage 
B  Pedal effort transmitted through spring 
C  Pedal effort transmitted through fluid 
D  Pedal effort transmitted through coupling
Correct Answer:- C  Pedal effort transmitted through fluid 

53 What is the advantage of mechanical actuated type clutches? 

A  Less maintenance and repair 

B  Less pedal effort 

C  Smooth functioning 

D  Easy to operate

Correct Answer:- A  Less maintenance and repair 


54  Which factor does not affect the torque transmission by clutch? 

A  Size of clutch plat 

B  Co-efficient of friction 

C  Number of clutch plates used

D  Axial load on the clutch

Correct Answer:- D  Axial load on the clutch


55 What is the function of clutch? 

A  Increase and decrease the RPM of engine 

B  Connect and disconnect power flow engine to gear box 

C  Reduce the noise during engine running 

D  Prevent malfunctioning of fly wheel 

Correct Answer:- B  Connect and disconnect power flow engine to gear box 


56 Which system making the drive cabin comfortable for driving? 

A  HVAC system 

B  Starting system 

C  Steering system 

D  Charging system

Correct Answer:- A  HVAC system


57  Which system deals with alternator? 

A  Steering system 

B  Starting system

C  Charging system

D  HVAC system

Correct Answer:- C  Charging system


58 Which system provides DC power source for the various units of the vehicles? 

A  Storage system 

B  Charging system 

C  Lighting system 

D  Steering system 

Correct Answer:- A  Storage system 


59  Which system not connected with electrical system? 

A  Steering system 

B  Charging system 

C  Transmission system 

D  Suspension system

Correct Answer:- B  Charging system 


60  Which type of system is to isolate the vehicle body from road shock and vibration?

A  Control system 

B  Suspension system 

C  Hydraulic system 

D  Steering system

Correct Answer:- B  Suspension system 


61  Which part of heavy vehicle deals with static and dynamic loads without deflection or distortion? 

A  Engine

B  Power trains 

C  Control system 

D  Chassis and frames 

Correct Answer:- D  Chassis and frames 


62  Which way the steering system increase the tire life? 

A  By maintaining proper angle between tyres

B  Providing adequate lubrication 

C  By applying grease on the steering controls

D  Providing proper brake adjustment

Correct Answer:- A  By maintaining proper angle between tyres


63  What is the advantage of using power steering system?  

A  To increase the engine power 

B  To reduce the fuel consumption  

C  To enhance the fuel efficiency 

D  To turn and control vehicle with less effort 

Correct Answer:- D  To turn and control vehicle with less effort 


64  What is the function of steering system? 

A  To control the braking system 

B  To increase the engine RPM 

C  To guide the vehicle 

D  To control the fuel system

Correct Answer:- C  To guide the vehicle 


65  What is the role of ABS brakes? 

A  Provide positive braking 

B  Increase frictional power 

C  Prevents skidding of vehicles 

D  Reduce the brake failures

Correct Answer:- C  Prevents skidding of vehicles 


66  What is the permitted range of pedal play observed in the heavy vehicle? 

A  6 -10 mm       B  2 -4 mm       C  15 -18 mm        D  16 -20 mm

Correct Answer:- A  6 -10 mm


67  Which type of drive line used in high gears and high speed applications? 

A  Front wheel drive line 

B  Rear wheel drive line 

C  All wheel drive line 

D  Center wheel drive line

Correct Answer:- C  All wheel drive line


68  Which type of gear box can be operated even by unskilled driver?

A  Synchromesh gear box 

B  Sliding mesh gear box 

C  Constant mesh gear box 

D  Compound wheel mesh gear box

Correct Answer:- A  Synchromesh gear box 


69  Which type of synchromesh gear box will produce torque more than three times of other types?

A  Bulk type 

B  Bulk ring type 

C  Multi and Double cone 

D  Porsche type

Correct Answer:- C  Multi and Double cone 


70  Which type of synchromesh gear box used for heavy commercial vehicles? 

A  Bulk type 

B  Multi and double cone type  

C  Bulk ring type 

D  Porsche type

Correct Answer:- B  Multi and double cone type  


71  Which type of gear will not produce axial thrust but it neutralizes the axial thrust?

A  Bevel gear 

B  Herring bone gears 

C  Spur gear 

D  Worm gear

Correct Answer:- B  Herring bone gears 


72  Which gear will produce clicking noise during teeth contact? 

A  Spur gear 

B  Bevel gear 

C  Helical gear 

D  Worm gear 

Correct Answer:- A  Spur gear 


73 Which part connects propeller shaft?

A  Clutch shaft and fly wheel 

B  Gear box and final drive 

C  Cam shaft and clutch shaft 

D  Crankshaft and final drive 

Correct Answer:- B  Gear box and final drive 


74  Which part provides flexible connection and permits smooth transfer of torque from gear box to the rear axle? 

A Universal joint 

B  Fly wheel 

C  Half shaft 

D  Clutch shaft

Correct Answer:- A Universal joint 


75  What is the necessity of square cut seals? 

A  Prevent fluid leakage 

B  Prevent the seal rolling in groove 

C  Provide cushioning effect

D  Withstand radial movement

Correct Answer:- B  Prevent the seal rolling in groove


76  What is the possible reason for gear slip? 

A  Wrong selection gear shift lever 

B  Excessive end float of gear 

C  Wrong clutch engagement 

D  Worn out clutch plate 

Correct Answer:- B  Excessive end float of gear 


77  What is the reason of gear locked in one gear position?  

A  Synchronizer wornout 

B  Gear teeth wornout

C  Synchronizing unit stuck

D  In adequate lubrication

Correct Answer:- C  Synchronizing unit stuck


78  How to rectify the hard gear shifting? 

A  Lubricate the unit 

B  Check and realign  

C  Adjust clutch pedal free play 

D  Re - install springs correctly

Correct Answer:- C  Adjust clutch pedal free play 


79  What causes noisy gear box in neutral position? 

A  Synchronizing unit stuck 

B  Bearing worn out or dry 

C  Synchronizer defective 

D  Synchronizer worn-out 

Correct Answer:- B  Bearing worn out or dry 


80  What will be the result of defective clutch? 

A  Noise in gear shifting 

B  Gear slip 

C  Gear locked in one gear 

D  Gear clash during shifting

Correct Answer:- A  Noise in gear shifting 

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