In the composition of a cast iron cylinder the percentage of Iron is-
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The material of the exhaust valve is
A. Aluminium alloy
B. Cast iron
C. Silicon chrome steel
D. Low carbon steel
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The delay period in SI engine is about
A. 0.10 s
B. 0.0002 s
C. 0.002 s
D. The ignition time lag
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The flywheel is located on the
A. Racker arm shaft
B. Crankshaft
C. Cam shaft
D. All of these
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Atransfer case is used in
A. All vehicles
B. Front wheel drive vehicle
C. Rear wheel drive vehicle
D. Four wheel drive vehicle
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The basic purpose of providing caster angle on wheels is to
A. Prevent uneven tyre wear
B. Maintain directional control
C. Bring the road contact of the tyre under the point of load
D. Compensate for wear in the steering linkage
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The two-stroke cycle engine has
A. One intake valve and one exhaust valve operated by one cam
B. One intake and one exhaust valve operated by two cams
C. Only ports, covered and uncovered by piston to effect charging and exhausting
D. None of these
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Which engine has less overhaul life?
A. Petrol engine
B. Diesel engine
C. Both
D. None of these
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Trafficators are light signals used for
A. Heavy traffic
B. Light traffic
C. Reversing the car in traffic
D. Indicating the direction in which turning
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The Ackermann steering layout
A. Makes for safer driving
B. Enables the driver to feel ahead position
C. Gives minimum tyre wear
D. Reduces load on the kingpins and stub axle
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In which of the configuration of epicyclic gearbox output will be forward and fast output speed?
A. Sun gear stationary, Ring gear driven, Planet carrier driving
B. Sun gear driving, Ring gear driven, Planet carrier stationary
C. Sun gear driven, Ring gear stationary, Planet carrier driving
D. Sun gear stationary, Ring gear stationary, Planet carrier driving
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. . . . . . . . to control surface ignition and spark-plug fouling.
A. Detergents
B. Phosphorus compounds
C. Anti-icers
D. All are correct
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The power train includes the clutch, propeller shaft, differential and
A. Steering gear
B. Front axles
C. Chassis
D. Transmission
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The space left in the circumference of piston after cutting ring groove is called-
A. Slot skirts
B. Ring groove
C. Running part
D. Ring land
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A transistor is controlled by the current at
A. The base
B. The emitter
C. The collector
D. Both the emitter and the collector
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The axes of the two shafts are intersecting and are at 25° to each other. These two shafts are connected by Hook's joint. At which position of the drives shaft velocity ratio will be maximum?
A. 90°, 270°
B. 0°, 180°
C. 180°, 270°
D. 90°, 180°
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What is called internal diameter of cylinder?
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In gear systems, speed reduction means torque
A. Stabilization
B. lncrease
C. Reduction
D. None of these
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The ignition coil in an inductive electrunic ignitiun system is triggered on and off by means of a
A. Conttact breaker
B. Diode
C. Permanent magnet
D. Timer
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The width of the valve seat should not be kept more than
A. 0.2 mm
B. 0.5 mm
C. 1.2 mm
D. 5 mm
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