The seat belt tensioners are built in the
Front seats
Shoulder anchors
Seat belt retractors
Seat belt buckles
Correct Answer :
C. Seat belt retractors
Related Questions
Odometer is an instrument used for measurement of
Power
Fuel consumption
Engine r.p.m.
Distance
Damper is also known as
Shock absorber
Torsion bar
Spring
Radius rod
The compression ratio for Diesel engines usually lies in the range of
6-10
10-1
15-25
25-40
The purpose of a cylinder head gasket is to
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
In Diesel engines, the duration between the time of injection and the time of ignition is called
Spill cut-off
Delay period
Injection period
Ignition period
The materials used for cylinder block are
Cast iron and steel
Cast iron and aluminium alloy
Steel and aluminium alloy
Brass and steel
Engine misfiring is likely to result from
Spark plug gap too small
Spark plug gap too wide
Vapours lock in the fuel only
Incorrect fuel air mixture
The three basic cylinder arrangements for automotive engines are
Flat, radial, and V
In a row, in line, and opposed
In line, V, and opposed
V, double row, and opposed
Which part of the automobile tyre is subjected to greatest flexing action?
Bead
Side wall
Shoulder
Tread
The two rows of cylinders in a 'V' type engine are generally arranged at
45°
60°
90°
130°
The mechanical efficiency (ηm) of an I.C. engine is equal to (where I.P. = Indicated power, B.P. = Brake power and F.P. = Frictional power)
I.P/B.P.
B.P/I.P.
B.P/F.P.
F.P/B.P.
Which of the following indicates multigrade oil?
SAE 30
API SF
SAE 20 W50
API 50
Which one of the following statement correctly describes the construction of a bevel gear type differential?
The drive shafts are splined to the differential carrier.
The left side gear and the differential carrier rotate in constant unison.
The differential carrier houses differential pinion gears and side gears; each pinion gear meshes with a different side gear.
The differential carrier houses differential pinion gears and side gears
The petrol engines are also known as
Spark ignition (S.I.) engines
Compression ignition (C.I.) engines
Steam engines
None of these
Cushioning springs in clutch plate reduces
Vehicle speed
Torsional vibrations
Jerky starts
None of these
The basic part of the engine, to which the other engine parts are attached or assembled is the
Cylinder head
Crankshaft
Cylinder block
Oil pan
The firing order for an inline four cylinder I.C. engine is
1-2-3-4
1-3-4-2
1-2-4-3
1-3-2-4
The basic purpose of tyres is to
Grip the road and provide good traction
Substitute for springs
Act as brake
None of these
The engine oil level should be checked
Immediately after the ignition switch is turned off
While the engine is running
A few minutes after the ignition switch is turned off
While the engine is running at high idle speed
The function of a proportioning control valve (PCV) in a brake system is to
Ensure that equal pressure is supplied to the front and rear brakes throughout every braking operation
Reduce the brake fluid pressure when the brakes approach their lockup point
Cause less brake fluid pressure to act on the front brakes than on the rear brakes when the fluid pressure exceeds a predetermined level
Cause less brake fluid pressure to act on the rear brakes than on the front brakes when the fluid pressure exceeds a predetermined level.
The air resistance to a car at 20 kmph is R. The air resistance at 40 kmph will be
R
2 R
4R
4 R²
The motion of the cam is transferred to the valves through
Pistons
Rocker arms
Camshaft pulley
Valve stems
The negative terminal post on the top of a battery is
Smaller than the positive terminal post
Larger than the positive terminal post
Of the same size as the positive terminal post
None of these
The condition that results in large quantities of CO emission is
Insufficient air during combustion
Insufficient fuel during combustion
Low temperature combustion
High temperature combustion
The capacity of a battery is usually expressed in terms of
Volts
Amperes
Weight
Ampere hours
If clearance volume of I.C. engines is increased, the compression ratio will
Increase
Decrease
Remain constant
Be doubled
The negative plates of a lead acid battery has
Lead peroxide (PbO₂)
Spongy lead (Pb)
Lead sulphate (PbSO₄)
Sulphuric acid (H₂SO₄)
Bead wires are made of
Steel
Copper
Zinc
Aluminium
The function of a connecting rod is
To turn the flywheel
To drive the drive plate
To drive the fuel pump
To transmit motion of the piston to the crankshaft
The function of oil control rings is that it
Lubricates the cylinder wall by releasing oil from its hole
Keeps the cylinder wall lubricated by holding oil in its channel
Prevents engine oil from going into the combustion chamber and returns excess lubricating oil off the cylinder wall through the return holes in the piston to the oil pan
Maintains a seal and prevents escape of burned gases and oil leakage