Which system is comparatively cheap?
A. Gravity feed system
B. Forced feed system
C. Both are cheep
D. None of these
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The friction disc is positioned between the flywheel and the
A. Engine
B. Crankshaft
C. Pressure plate
D. Gear
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In the diaphragm clutch inward movement of the throw out bearing causes the diaphragm spring to
A. Dish inward
B. Expand
C. Contract
D. No change
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The order in which effort applied to the steering wheel is transferred to the front wheel is
A. Steering wheel, Steering gearbox, Steering shaft, Tie rod, Steering knuckle, Front wheels
B. Steering wheel, Steering shaft, Steering gearbox, Tie rod, Steering knuckle, Front wheels
C. Steering wheel, Steering shaft, Steering gearbox, Steering knuckle, Tie rod, Front wheels
D. Steering wheel, Tie rod, Steering gearbox, Steering shaft, Steering knuckle, Front wheels
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The functions of a fuel injection system in diesel engines are:
A. To filter the fuel and measure the correct quantity of fuel to be injected
B. To control the rate of fuel injection and time the fuel injection correctly
C. To atomize the 'fuel into fine particles for complete combustion and properly distribute the fuel in the combustion chamber
D. All of these
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. . . . . . . . to combat carburettor icing and fuel line freeze.
A. Anti-icers
B. Anti rust agent
C. Detergents
D. None of these
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Open circuit voltage of a 12V lead acid battery in fully charged condition is
A. 2 V
B. 2.5 V
C. 12.6 V
D. 14 V
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The methods for starting diesel engines are-
A. Hand cranking
B. Starting by cartridge
C. Electric starter motor
D. All are correct
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A mainternance free battery
A. Has lead antimony plate grid
B. Has lead caluium plate grid
C. Does not contain acid
D. Does not contain water
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If proportioning valve is not working
A. Front brakes may lock
B. Rear brakes may lock
C. Front brakes may drag
D. Rear brakes may drag
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The value of coefficient of air resistance for average cars is approximately equal to
A. 0.32
B. 0.032
C. 0.0032
D. 1.32
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The thermal efficiency of the ideal diesel cycle is given by equation
where ρ = Cut off ratio, R = Compression ratio
A. η = 1 − R r − 1 1 ( r ( ρ − 1 ) ρ r − 1 )
B. η = 1 − R r − 1 1
C. η = 1 − R r − 1 1 ( ρ r − 1 r ( ρ − 1 ) )
D. None of the above
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The electrolyte used in a lead acid battery is
A. Hydrochloric acid
B. Sulphuric acid
C. Nitric acid
D. Lead peroxide
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Choose the correct statement with regard to the bearing crush.
A. The bearing is plated with an alloy to ensure good embeddability
B. Each half of a split bearing is made slightly smaller than an exact half
C. Each half of the spilt bearing is made slightly larger than an exact half
D. One of the two bearing halves is made slightly larger than an exact half
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A pulse genetator consists of a
A. Permancent magnet, ignition coil and electronic control unit
B. Permanent magnet, reluctor and electronic control unit
C. Ignition coil, reluctor and electronic control unit
D. Permmanent magnet, reluctor and timer coil
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What is the name of the angle through which the wheel has to turn to sustain the side force?
A. Slip angle
B. Castor angle
C. Camber
D. Kingpin inclination
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The part of hydraulic brake system which actuates brakes shoes directly:
A. Master cylinder
B. Push rod
C. Wheel cylinder
D. Brake pedal
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In a diesel engine
1. Fuel injection pump is used
2. Fuel injection pump and carburettor is used
3. Fuel injector is used
4. Neither fuel injection pump nor injector is used
A. 1 is alone is true
B. 3 is alone is true
C. 1 and 3 both are true
D. 1, 2, 3, 4 all are true
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The function of anti-lock brake system (ABS) is that is
A. Reduces the stopping distance
B. Minimizes the brake fade
C. Maintains directional control during braking by preventing the wheels from locking
D. Prevents nose dives during braking and thereby postpones Iocking of the Wheels
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In a four-stroke four cylinder diesel engine, number of carburettors used is
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