The rigid suspension is beneficial when
It is desired to reduce the unsprung mass
It is desired to have more flexibility in design
It is desired to improve tyre to ground contact characteristics
Large changes in load make it necessary to have a large suspension stroke
Correct Answer :
D. Large changes in load make it necessary to have a large suspension stroke
Related Questions
The service brakes employed in cars are generally operated
Mechanically
Hydraulically
Pneumatically
None of these
The motion of the cam is transferred to the valves through
Pistons
Rocker arms
Camshaft pulley
Valve stems
Cushioning springs in clutch plate reduces
Vehicle speed
Torsional vibrations
Jerky starts
None of these
In Spark Ignition Engine
Only air is introduced into the cylinder
The mixture of air and fuel is introduced into the cylinder from carburettor
Both A and B
None of these
If the valve clearances are excessively large, the problem that can arise is
Overheating of the engine
Incomplete valve closure
Fouling of spark plug by gasoline
None of these
The problems caused by the wheel imbalance are
Hard steering and hard ride
Poor acceleration and hard steering
Steering wheel vibrations and uneven tyre wear
Poor acceleration and reduced fuel efficiency
The connecting rod is attached to the piston by the
Cap bolt
Piston pin
Cap roller bearing
Rod cap
The braking control type traction control system (TCS) generally operates in the speed range of
Less than 20 kmph
Less than 40 kmph
Less than 60 kmph
More than 60 kmph
During suction stroke, the inside pressure of cylinder is
More than the atmospheric pressure
Less than the atmospheric pressure
Equal to the atmospheric pressure
None of these
In comparison with a radial tyre, one advantage of a bias ply tyre is
Longer life
Lower rolling resistance
Smoother ride at low speeds
None of these
The most effective method of controlling S.I. engine exhaust emission is by
Recirculating exhaust
Using catalytic converter
Using some additives in the fuel
None of these
The function of antilock brake system (ABS) is that is
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
A laminated glass upon cracking
Bursts into sharp edged fragments
Bursts into granular pieces
Sandwiched layer traps the fragments
Breaks into the form of crystals
The minimum parking brake force is generally ________ of gross vehicle mass (GVM).
5 %
10 %
15 %
20 %
If a tyre is designated as 175/65 R-14 82-S, then the aspect ratio for the tyre is
175
65
14
82
In a ventilated disc brake
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
Incorrect steering axis inclination (S.A.I.) causes
Tendency to assume toe-out orientation
Generation of a braking effect at tight corners
Poor recovery of the steering wheel after making a turn
The vehicle to pull to the side of lesser inclination
In vehicles with tilt steering, the steering column is pivoted in
Upper bracket
Lower bracket
Tilt bracket
Steering yoke joint
The process of supplying the intake air to the engine cylinder at a pressure greater than the pressure of the surrounding atmosphere is known as
Supercharging
Auto ignition
Scavenging
Detonation
The best fuels for compression ignition engines are
Straight chain paraffin
Aromatics
Branched chain paraffin
Naphthalene
In Diesel engines, during suction stroke, ________ is drawn in the cylinder.
Air and fuel
Only fuel
Only air
None of these
The damper fluid leakage typically occur from
Upper damper mounting
Bottom of damper
Clearance between inner and outer tubes of damper
Coil spring mounting
The purpose of a thermostat in an engine cooling system is to
Prevent the coolant from boiling
Allow the engine to warm up quickly
Indicate the coolant temperature
Pressurise the system to raise the boiling point
In a petrol engine, the high voltage for spark plug is in the order of
1000 volts
2000 volts
11 kilovolts
22 kilovolts
The Diesel engines as compared to petrol engines require
Bigger flywheel
Smaller flywheel
Same size of flywheel
No flywheel
The main function of intake manifold is that it
Promotes the mixture of air and fuel
Reduces intake noise
Cools the intake air to a suitable temperature
Distributes intake air equally to the cylinders
Two advantages of using helical gears rather than spur gears in a transmission system are
Strength and cost
Strength and less end thrust
Noise level and strength
Noise level and economy
The most commonly used supplementary restraint system (SRS) component is
Seat belt
Brake
Airbag
Steering
The function of a governor in automobiles is to
Limit the power
Limit the vehicle speed
Maintain constant engine speed
Maximise the fuel economy
The sequence in which the force is transmitted through a brake system when the brake pedal is depressed is
Brake pedal, master cylinder, brake lines, vacuum servo mechanism, brake pads
Brake pedal, vacuum servo mechanism, master cylinder, brake lines, brake pads
Brake pedal, master cylinder, vacuum servo mechanism, brake lines, brake pads
Brake pedal, brake lines, vacuum servo mechanism, master cylinder, brake pads