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  

Mechanic Motor Vehicle - 2 Year MCQ 10

 Mechanic Motor Vehicle -  2 Year MCQ 10

MMV 2 YEAR ALL QUESTION ANSWER HERE

126  What is the name of part marked as ‘X’ in the flat type rim?

A  Centre position 

B  Plain split lock ring 

C  Rim projection 

D  Rim outer edge

Correct Answer:- B  Plain split lock ring 

127  Which type of wheel consist two separate discs are clamped together? 

A  Split wheel 

B  Wire wheel 

C  Disc wheel 

D  Heavy vehicle

Correct Answer:- A  Split wheel 

128  What is the type of wheel?

A  Disc wheel 

B  Split wheel 

C  Heavy vehicle wheel

D  Wire wheel

Correct Answer:- D  Wire wheel

129  What is the type of wheel?

A  Wire wheel 

B  Disc wheel

C  Split wheel 

D  Heavy vehicle wheel 

Correct Answer:- B  Disc wheel

130  What is the servicing procedure carried out in the wheel?

A  Checking camber angle

B  Checking castor angle

C  Checking kingpin inclination

D  Checking included angle 

Correct Answer:- A  Checking camber angle

131  Which advantage does not suit to wheel alignment?

 A  Minimise tyre wear

B  Reduce driver effort 

C  Achieve self centering after turning

D  Achieve easy torque transmission 

Correct Answer:- D  Achieve easy torque transmission 

132  Which part of electronic power steering revert back to manual steering in case of failure in power steering?

A : Solenoid valve

B : Phase compensator

C : Fail safe relay

D : Current controller

Correct Answer:- C : Fail safe relay

133  Which device in electronic power steering converts the steering torque input and its direction in to voltage signals?

A  Rotation sensor 

B  Torque sensor

C  Hall effect sensor 

D  Temperature sensor

Correct Answer:- B  Torque sensor

134  What is the advantage of electronic power steering? 

A  Compact in size

B  Energy being consumed only while steering

C  Less occupation of space

D  Number of components are less 

Correct Answer:- B  Energy being consumed only while steering

135  Which steering system will provide assistance even when the engine is not running?

A  Integral power steering

B  Linkage power steering 

C  Electronic power steering 

D  Manual steering 

Correct Answer:- C  Electronic power steering

136  Which part of integral power steering reduce fluid pressure? 

A  Torsion bar 

B  Rotary valve 

C: Unloading valve 

D  Flow control valve 

Correct Answer:- C: Unloading valve 

137  What is the role of recirculating balls in the integral power steering?

A  Affect steering stability 

B  Prevent control in event of hydraulic failure 

C  Combine high mechanical efficiency with smooth operation

D  Provide hard steering

Correct Answer:- C  Combine high mechanical efficiency with smooth operation

138  Which is the heart of integral power steering system?

A  Flow control valve 

B  Rotary control valve  

C  Pressure relief valve 

D  Unloading valves 

Correct Answer:- B  Rotary control valve  

139  Which is not the benefit of power steering?

A  Effort less steering

B  Quick response

C  Absolute control during driving 

D  Positive breaking system

Correct Answer:- D  Positive breaking system

140  Which type of suspension spring can not transfer wheel guidance forces? 

A  Helical springs 

B  Coil springs 

C  Leaf springs 

D  Compression springs

 Correct Answer:- A  Helical springs 

141  What is the advantage of coil spring? 

A  Good load carrying capacity

B  High steering and stability 

C  Low space requirement  

D  Provide greater pay load

Correct Answer:- C  Low space requirement  

142  Which type of suspension spring made of fibre glass, laminated and bonded together by tough polyester resins? 

A  Coil springs 

B  Multiple leaf springs 

C  Mono leaf springs  

D  Fiber composite springs 

Correct Answer:- D  Fiber composite springs 

143  Which type of spring will have good load carrying capacity and do not have noise in the suspension system?

A  Mono leaf springs 

B  Coil spring 

C  Multiple - leaf spring 

D  Fiber composite springs

Correct Answer:- C  Multiple - leaf spring 

144  Which system provided between axles and chassis frame?

A  Braking system

B  Suspension system

C  Steering system 

D  Cooling system

Correct Answer:- B  Suspension system

145  Which is not the function of suspension system?

A  It maintains body level 

B  It gives cushioning effects 

C  It transfer braking torque to the chassis 

D  It increase steering stability 

Correct Answer:- D  It increase steering stability 

146  Why light weight cars use low steering ratio?

A  To obtain low steering effect 

B  To obtain large steering effect

C  To obtain constant steering effect

D  To obtain no steering effect 

Correct Answer:- B  To obtain large steering effect

147  Which angle helps in self centering of wheels after negotiating a turn? 

A  Castor angle

B  King pin inclination

C  Camber angle

D  Included angle 

Correct Answer:- B  King pin inclination

148  What is the purpose of castor in wheel alignment?

A  Maintain directional stability and control 

B  Reduce tyre wear

C  Reduce abnormal vibration

D  Convert steering torque input into voltage signal

Correct Answer:- A  Maintain directional stability and control 

149  What is the advantage of using non reactive suspension arrangement on multi-axle vehicles? 

A  Good braking efficiency in both rear wheels 

B  Better riding comfort 

C  Increased spring life 

D  Prevention of ratting 

Correct Answer:- A  Good braking efficiency in both rear wheels 

150  Which type of independent suspension system simple in construction and allow more deflection of the front wheel without effect on the steering? 

A  Torsion bar suspension 

B  Strut type suspension

C  Coil spring suspension 

D  Conventional suspension

Correct Answer:- B  Strut type suspension