Mechanically
Hydraulically
Pneumatically
None of these
B. Hydraulically
Lead peroxide (PbO₂)
Spongy lead (Pb)
Lead sulphate (PbSO₄)
Sulphuric acid (H₂SO₄)
Opens at T.D.C. and closes at B.D.C.
Opens at 20° before T.D.C. and closes at 35° after B.D.C.
Opens at 10° after T.D.C. and closes at 20° before B.D.C.
None of the above
Straight chain paraffin
Aromatics
Branched chain paraffin
Naphthalene
To vary the speed of automobile
To vary the torque at the wheels
To vary the power of automobile
None of these
Lubrication
Power transmission
Cooling
None of these
Indicated power
Brake power
Frictional power
None of these
1
2
3
4
Delivers improved cornering on dry road surfaces
Eliminates the need of snow tyres, tyre chains, etc.
Ensures effective transmission of engine torque to all four wheels, even on slippery road surfaces
Ensures that effective braking can be performed, even on slippery surfaces
Pistons
Rocker arms
Camshaft pulley
Valve stems
Volatility
Viscosity
Ignition quality
Delay period
0.1
0.4
0.8
1.2
Spill cut-off
Delay period
Injection period
Ignition period
Reduces the stopping distance
Minimises the brake fade
Maintains directional control during braking by preventing the wheels from locking
Prevents nose dives during braking and thereby postpones locking of the wheels
4 : 1
8 : 1
15 : 1
20 : 1
One half turn
One turn
Two turns
Four turns
Automatic transmission fluid (ATF)
Society of automotive engineers (SAE)
Gross vehicle weight (GVW)
American petroleum institute (API)
Piston oil hole
Snap ring
Valve recess
Valve clearance
175
65
14
82
Prevent uneven tyre wear
Maintain directional control
Bring the road contact of the tyre under the point of load
Compensate for wear in the steering linkage
Cap bolt
Piston pin
Cap roller bearing
Rod cap
Heating rubber under pressure
Spraying with special paint
Melting rubber while stirring it
None of these
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
Step up current
Step down current
Step up voltage
Step down voltage
Spark ignition (S.I.) engines
Compression ignition (C.I.) engines
Steam engines
None of these
1-2-3-4
1-3-4-2
1-2-4-3
1-3-2-4
0.75
0.85
0.95
1.25
Oil strainer, oil pump, relief valve, oil filter, cylinder block, cylinder head and oil pan
Oil pump, oil strainer, relief valve, oil filter, cylinder block, cylinder head and oil pan
Oil strainer, oil filter, relief valve, oil pump, cylinder block, cylinder head and oil pan
Oil strainer, oil pump, relief valve, oil filter, cylinder head, cylinder block and oil pan
Trapping
Tapping
Bleeding
Cleaning
Increases the combustion temperature
Creates swirl
Maintains a seal and prevents the fuel leakage
Maintains a seal and prevents escape of burned gases and loss of pressure in the combustion chamber
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