14-At the venturi throat of the carburetor the velocity of air is
(A) Maximum
(B) Decreases
(C) Increases
(D) Remains same as before
[expand title=”View Answer”](A) Maximum[/expand]
15-The condition at which the engine operates at no load and with nearly closed throttle is known as:
(A) Dieseling
(B) Cruising
(C) Idling
(D) None of the above
[expand title=”View Answer”](C) Idling[/expand]
16-The reference fuels used for comparing the anti-knock value of SI engine fuel is
(A) Benzene and tetraethyl lead
(B) Iso octane and normal heptane
(C) Normal cetane and alpha methyl naphthalene
(D) Benzene and iso octane
[expand title=”View Answer”](C) Normal cetane and alpha methyl naphthalene[/expand]
17-Releasing of clutch pedal causes
(A) load on release finger
(B) the compression of pressure spring
(C) pressure plate moves away from the clutch plate
(D) pressure plate moves towards clutch disc
[expand title=”View Answer”](D) pressure plate moves towards clutch disc[/expand]
18-Clutch shaft is also known as
(A) Transmission input shaft
(B) Counter shaft
(C) Lay shaft
(D) Main shaft
[expand title=”View Answer”](A) Transmission input shaft[/expand]
19-Throw out bearing is used to
(A) reduce friction on clutch disc
(B) engage the clutch
(C) disengage the clutch
(D) none of the above
[expand title=”View Answer”](C) disengage the clutch[/expand]
20-Which of the following is not a function of final drive of heavy vehicle?
(A) final speed reduction
(B) power transmission
(C) reduction of torque
(D) none of the above
[expand title=”View Answer”](C) reduction of torque[/expand]
21-Which of the following is not an advantage of overdrive?
(A) Fuel economy
(B) Increase of torque
(C) Reduced engine wear
(D) High vehicle speed at low engine speed
[expand title=”View Answer”](B) Increase of torque[/expand]
22-Idler gear is used to engage
(A) First gear
(B) Synchronizer ring
(C) Reverse gear
(D) Top gear
[expand title=”View Answer”](C) Reverse gear[/expand]
23-The tendency of front wheel drive cars with unequal length of half shaft to pull to one side during acceleration is known as
(A) Torque steer
(B) Self steer
(C) Power steer
(D) None of the above
[expand title=”View Answer”](A) Torque steer[/expand]
24-In Macpherson type suspension system shock absorber is mounted on
(A) Lower wishbone
(B) Upper wishbone
(C) Strut
(D) Spring
[expand title=”View Answer”](C) Strut[/expand]
25-Torsion bar is attached to
(A) Lower arm
(B) Upper arm
(C) Shock absorber
(D) Steering knuckle
[expand title=”View Answer”](A) Lower arm[/expand]
Automobile Engineering Objective Questions
Category: Automobile Engineering
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