Mechanic Motor Vehicle - 2 Year MCQ 12

Mechanic Motor Vehicle -  2 Year MCQ 12

MMV 2 YEAR ALL QUESTION ANSWER HERE

 176  What is the cause of noise in steering?

A  High fluid level

B  Presence of air in the fluid 

C  Defective flow control valve 

D  Defective torsion bar

Correct Answer:- B  Presence of air in the fluid 

177  Why vibration damper are not used inside the helical spring?

A  Possibility of stuck in one position  

B  Not economical 

C  Fitting and removing time consuming 

D  No effect on load carrying capacity

Correct Answer:- C  Fitting and removing time consuming 

178  What is the impact of larger scrub radius? 

A  Wear on the outer edge of tyre 

B  Unequal braking on the front wheel

C  Wear on the centre part of tyre 

D  Bending of steering linkage point

Correct Answer:- B  Unequal braking on the front wheel

179  What will be the effect of negative scrub radious?

A  Wheel is caused to toe - out 

B  Wheel is kept in straight position

C  The tyre centre portion wear out 

D  Wheel is caused to toe - in 

Correct Answer:- D  Wheel is caused to toe - in 

180  What causes abnormal tyre wear, tyre slip and poor steering stability?

A  Incorrect toe - in and toe - out 

B  Malfunctioning of torsion bar 

C  Presence of air in the break fluid 

D  Front axle bend/twist

Correct Answer:- A  Incorrect toe - in and toe - out 

181  What will be effect of unequal castor in the vehicle?

A  Vehicle pull to one side wheel 

B  Vehicle will not move 

C  Driver have to use less effort on steering 

D  Increase steering stability

Correct Answer:- A  Vehicle pull to one side wheel

182  Why rubber buffer is provided in the main spring of suspension system?

A  Transfer pay load smoothly 

B  Protect chassis frame from heavy jerk 

C  Transfer the load equaly 

D  Provide steering control stability

Correct Answer:- B  Protect chassis frame from heavy jerk 

183  Which factor affecting suspension?

A  Damaged chassis frame

B  Wornout spring 

C  More shocks, uncomfortable riding 

D  Abnormal tyre wear

Correct Answer:- B  Wornout spring 

184  What is the type of defect?

A  Cracked treads

B  Wear on the centre 

C  Feather edge 

D  Bold spots wear

Correct Answer:- D  Bold spots wear

185  What is the type of defect in the tyre?

A  Bold spots wear  

B  Rapid wear at centre

C  Feather edge 

D  Wear on one side

Correct Answer:- C  Feather edge 

186  What is the main cause for wear on one side of tyre?

A  Improper camber

B  Improper caster 

C  Over inflation

D  Under inflation 

Correct Answer:- A  Improper camber

187  What is the reason of faster wear out of tyre edges? 

A  Under inflated tyre 

B  Over inflated tyre 

C  Un equal load distribution

D  Defective suspension system 

Correct Answer:- A  Under inflated tyre 

188  Why the alternator spokes are screwed to slope forward and backward towards the rim in the wire wheel? 

A  To take the uneven load 

B  To provide cusioning effect

C  To observe braking and driving torque  

D  To distribute the load evanly

Correct Answer:- C  To observe braking and driving torque  

189  What is the cause of “Poor self centering” in a vehicle? 

A  Filter chocked 

B  Improper wheel alignment 

C  Loose wheel level 

D  Low oil level 

Correct Answer:- B  Improper wheel alignment 

190  What will be the result of improper brake adjustment?

A  Hard steering 

B  Wheel wobbling 

C  Steering wheel play 

D  Vehicle pulling to one side 

Correct Answer:- D  Vehicle pulling to one side 

191  What is the reason of steering wheel play excess? 

A  Improper pre load defective steering 

B  Low oil level 

C  Drop in pressure 

D  Worn out sealing rings 

Correct Answer:- A  Improper pre load defective steering 

192  What is the cause of “Wheel wobbling”? 

A  Improper tyre pressure

B  King pin wornout 

C  Drop in pressure 

D  Wrong hose size

Correct Answer:- B  King pin wornout 

193  Why tyre wear found abnormal in the vehicle? 

A  Loose wheel nut  

B  Improper linkage adjustment

C  Improper tol-in and tol - out 

D  Improper tyre pressure 

Correct Answer:- C  Improper tol-in and tol - out 

194  What causes the deffect of ‘Hard steering’ in the hydraulic power steering system? 

A  Improper position of drop arm

B  Tie rod loose fitting

C  Band axle beam 

D  Improper size of tyre 

Correct Answer:- C  Band axle beam 

195  What causes “Air suction” in pump of hydraulic power steering system?

A  Noise  

B  High fluid level

C  Low pressure  

D  Steering wheel play

Correct Answer:- A  Noise  

196  What is the cause of “ low pressure” in the hydraulic power steering system? 

A  Low oil level 

B  Wrong flow control valve setting  

C  Air in the system 

D  Wornout sealing ring

Correct Answer:- B  Wrong flow control valve setting  

197  What is the name of power assisted servo brake?

A  Vacuum suspended power brakes  

B  Air suspended power brakes 

C : Vacuum assisted power brakes  

D  Electro hydraulic brake system 

Correct Answer:- C : Vacuum assisted power brakes  

198  What is the name of device used in the braking system? 

A  Brake propostioning valve 

B  Master cylinder 

C  Reservoir 

D  Piston 

Correct Answer:- A  Brake propostioning valve 

199  What is the type of master cylinder?

A  Single barrel master cylinder

B  Tandem master cylinder  

C  Tank type master cylinder

D  Centre feed master cylinder

Correct Answer:- B  Tandem master cylinder 

200  What is the name of part marked as ‘X’ in the brake pedal assembly?

A  Clevis         B  Lock nut        C  Pedal        D  Push rod

Correct Answer:- A  Clevis