Spark ignition (S.I.) engines
Compression ignition (C.I.) engines
Steam engines
None of these
B. Compression ignition (C.I.) engines
Prevent the combustion gases from leaking from the joint between the cylinder block and the cylinder head
Prevent engine oil from going into combustion chamber
Removes impurities from cylinder head lubricating oil
None of the above
Supply electricity to the alternator
Act as a reservoir or stabilizer of electricity
Supply electricity to the vehicle's electrical system at all times while the engine is running
Supply a large amount of power to turn the starter motor when the engine is being started
Increase
Decrease
Remain constant
Be doubled
Returns cylinder head lubricating oil to the oil pan at high speed
Turns oil into fine mist for spray lubrication
Regulates the pressure of engine oil supplied by the oil pump for the lubrication of cylinder head mechanism and other purposes
Removes impurities from cylinder head lubricating oil
Absorb the vibrations transferred from the surface of the road
Compensate for variations in the relative positions of the differential and the wheels which result from bumpy road surfaces or other similar driving conditions.
Absorb any difference in speed between the left and right wheels when the vehicle is turning
None of the above
Section width to section height
Section height to section width
Wheel diameter to section height
Wheel diameter to section width
One half turn
One turn
Two turns
Four turns
Passenger cars
Matadors
Tractors
Trucks
Cap bolt
Piston pin
Cap roller bearing
Rod cap
Piston oil hole
Snap ring
Valve recess
Valve clearance
I.P/B.P.
B.P/I.P.
B.P/F.P.
F.P/B.P.
Optimisation of exhaust efficiency
Reduction of exhaust noise
Reduction of nitrogen oxide in the exhaust gases
Reduction of the exhaust gas volume
It is lighter and has good heat dissipation characteristics
Material cost is low
It does not require any cylinder liners
The piston is also made of aluminium alloy
Brake effort
Tractive effort
Clutch effort
None of these
Drain plug
Water jacket
Vacuum valve
Pressure cap
SAE 30
API SF
SAE 20 W50
API 50
Speed
Distance
Engine r.p.m.
Fuel consumption
Limit the power
Limit the vehicle speed
Maintain constant engine speed
Maximise the fuel economy
P.L.A.N/2
P.L.A.N
2 × P.L.A.N
P.L.A.N/4
Absorbs vibration and impact forces from the road surface
Ensure that the steering wheel can deliver a suitable amount of steering force
Ensure that wheel alignment is not disturbed during driving
Automatically correct the effects of over steering
Water in the master cylinder
Air in the hydraulic system
Failure of the primary or secondary circuit of hydraulic system
Power brake failure
Regulates the intake air flow rate
Reduces the intake air noise
Enhances intake efficiency
Regulates the intake air temperature
The vertical size of the suspension can be made more compact
Non vertical external forces are supported by the suspension arms
The unsprung mass in lighter
The assembly is slightly more complicated in design
Seat belt
Brake
Airbag
Steering
2.5
10
25
40
A duct directs air towards the caliper for cooling while the vehicle is moving
Caliper is covered with cooling fins
Disc contains many small holes for optimum cooling performance
Disc contains radial vanes between its rubbing surfaces for optimum cooling performance
Motor cycle
Passenger car
Aeroplane
Truck
Clutch
Differential
Flywheel
Torque converter
Radiation only
Convention only
Convection and radiation
Conduction, convection and radiation
Near the centre
Near the edges
In the lateral direction
In the cross direction