691. In vehicles with tilt steering, the steering column is pivoted in
A. upper bracket
B. lower bracket
C. tilt bracket
D. steering yoke joint
692. Tachometer in a vehicle measures
A. speed
B. distance
C. engine r.p.m.
D. fuel consumption
693. One effect of detonation is
A. delay in ignition
B. loss of power
C. overheating of engine
D. overcooling of engine
694. The temperature indicating instrument in vehicles indicates the temperature of
A. engine piston
B. engine cylinder
C. lubricating oil
D. jacket cooling water
695. The ignition coil is used to
A. step up current
B. step down current
C. step up voltage
D. step down voltage
696. The process of removing the burnt gases from the engine cylinder by the fresh charge coming into the engine cylinder from the crank-case, is known as
A. cleaning
B. priming
C. scavenging
D. detonation
997. The self ignition temperature of Diesel as compared to petrol is
A. higher
B. lower
C. same
D. depends on fuel quality
698. With the increase of battery temperature, the specific gravity of electrolyte
A. increases
B. decreases
C. reamains the same
D. none of these
699. The process of supplying the intake air to the engine cylinder at a pressure greater than the pressure of the surrounding atmosphere is known as
A. supercharging
B. auto-ignition
C. scavenging
D. detonation
700. In aluminium cylinder blocks, the cylinder liners are made of
A. aluminium
B. ceramic
C. brass
D. cast iron
NOTE
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