Mechanic Motor Vehicle - 2 Year MCQ 9
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
151 Which part of coil spring allows angular movement of linkages?
A Ball joint
B Stabilizer bar
C Torsion bar
D Lower control arm
Correct Answer:- A Ball joint
152 Which type of spring suspension responds quickly to road shocks?
A Compression spring
B Coil spring
C Helical spring
D Transverse spring
Correct Answer:- B Coil spring
153 Which type of shock absorbed maintain vehicle ride at a pre - set level according to the load placed over the rear axle?
A Gas pressurized shock absorber
B Hydraulic shock absorber
C Automatic load adjustable shock absorber
D Mechanical shock absorber
Correct Answer:- C Automatic load adjustable shock absorber
154 What is the effect of weak suspension?
A Directional unstability of vehicle
B Carrying excessive payload of vehicle
C Unequal weight distribution of weight
D Vibration damping is more effective
Correct Answer:- A Directional unstability of vehicle
155 Which type of shock absorber is easy for replacement and handling?
A Vane type
B Piston type
C Mechanical type
D Telescopic type
Correct Answer:- D Telescopic type
156 Which type of shock absorber absorbs shocks with the help of friction disc and spring?
A Hydraulic type
B Electrical type
C Mechanical type
D Pneumatic type
Correct Answer:- C Mechanical type
157 Which device in the air suspension system observe vibration of low amplitude and high frequency?
A Shock absorber
B Suspension spring
C Air bags in the system
D Leaf spring
Correct Answer:- A Shock absorber
158 Where the airbags are located in the air suspension system?
A Betweeen frame and vehicle axle
B Between high control valve and frame
C Between air pressure regulator and front axle
D Between brake tank and vehicle axle
Correct Answer:- A Betweeen frame and vehicle axle
159 What is the purpose of air suspension?
A Used for leveling purpose
B Reduce the suspension weight
C Increase the directional stability
D Reduce the space occupation
Correct Answer:- A Used for leveling purpose
160 What is the disadvantage of independent suspension system?
A More maintenance cost
B Vibration damping is less effective
C Shocks transmitted from one wheel to other
D Spring weight is more
Correct Answer:- A More maintenance cost
161 What is the advantage of using independent suspension system?
A This is simple arrangement
B Shocks are transmitted from one wheel to other
C Spring weight is less
D Maintance cost is less
Correct Answer:-
162 What is the disadvantage of rigid axle suspension system?
A Spring weight is less
B Vibration damping is less effective
C This is a complicated arrangement
D Maintanance cost is more
Correct Answer:-
163 What is the advantage of using nitrogen in the tyres?
A Provide positive road grip
B Increase the tyre life
C Provide cusioning effect on the vehicle
D Oberve shocks and vibration
Correct Answer:- B Increase the tyre life
164 What is the use of compact spare tyres?
A Used for breakdown
B Used for high altitude
C Withstand heavy load
D Withstand high temperature
Correct Answer:- A Used for breakdown
165 Which rating indicate the braking capablities of the tire to the consumer?
A Ply rating
B Tyre rating
C Traction rating
D Temperature rating
Correct Answer:- C Traction rating
166 What is the advantage of using run flat tyres?
A Less cost and maintance
B Eliminate head for spare tyre and jack
C Resist vibration
D Provide equal distribution of load
Correct Answer:- B Eliminate head for spare tyre and jack
167 What will effect in case of over inflated tyres?
A Tyre will wearout at centre
B Tyre will wear out at edges
C Tyre will crack at edges
D Tyre will crack at centre
Correct Answer:- A Tyre will wearout at centre
168 What is the purpose of beads and plys provided in the tyre?
A Provide strength to tyre
B Provide grippness on the surface
C Prevent tyre slip
D Resist vibration
Correct Answer:- A Provide strength to tyre
169 What is the function of Rim in the wheel construction?
A Support the axle
B Provides balancing of vehicle
C Holds the tyre in correct position
D Distribute the load equally
Correct Answer:- C Holds the tyre in correct position
170 What is the purpose of spokes provided in the wheel?
A Provide accurate rounds of rim
B Distribute pre load evenly
C Provide directional stability of vehicle
D Suport the chassis frame of vehicle
Correct Answer:- A Provide accurate rounds of rim
171 Where the tyre pressure sensor secured in the wheel assembly?
A Secured in the wheel hub
B Secured in the tyre outer edges
C Bolted to metal valve
D Bolted to the rim centre
Correct Answer:- C Bolted to metal valve
172 When the driver is warned of difference in tyre pressure?
A Difference in pressure exceeds 30%
B Difference in pressure more than 10%
C Difference in pressure more than 20%
D Difference in pressure exceeds 40%
Correct Answer:- A Difference in pressure exceeds 30%
173 What will be the effect of negative camber excessive in the wheel alignment?
A Outer edge of tyre wear out faster
B Centre of tyre wear out faster
C Inner edge of tyre wear out faster
D Cracks developed in the tyre tread
Correct Answer:- C Inner edge of tyre wear out faster
174 What is the disadvantage of excessive positive camber in the wheel alignment?
A Tyre outer edge will wear out fast
B Tyre centre will wear out
C Tyre bleeding wire wear out
D Tyre thread wear out
Correct Answer:- A Tyre outer edge will wear out fast
175 How to rectify the defect of noise in hydraulic steering?
A Replace the with new fluid
B Fill fluid to correct level and bleed the system
C Adjust the torsion bar linkage
D Replace the flow control valve
Correct Answer:- B Fill fluid to correct level and bleed the system
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
