Wheel base of a vehicle is the
Distance between the centres of the front and rear wheels
Distance between the centres of the front tyres
Distance between the centres of the rear tyres
Extreme length of the vehicle
Correct Answer :
A. Distance between the centres of the front and rear wheels
Related Questions
An overinflated tyre will wear the tread most near the
Edges
Corners
Centre
None of these
The main merit of a multi cylinder type cylinder sleeve is
Smaller engine dimensions
Better cooling efficiency
High rigidity
None of these
An imbalance wheel during vehicle operation
Makes large noise when its heavy point hits the road surface
Deflects in the vehicle's longitudinal direction
Bounces vertically or deflects from side to side (as seen from front or rear)
Creates a standing wave
The fuel pump of a programmed fuel injection (PFI) system operate for two seconds when the ignition is turned to the start position to
Enable the pump's fault diagnosis function to operate
Warm up and lubricate the pump
Supplies a large amount of fuel and thereby creates a choke effect
Pressurise the fuel system before the engine is started
The compression ratio of a petrol engine is nearly
4 : 1
8 : 1
15 : 1
20 : 1
The component of the oil filter that prevents the passage of metal particles and sludge is
Element
Relief valve
Check valve
Case
Free pedal play in car clutches is about
15 mm
25 mm
40mm
60 mm
The valve overlap in four stroke petrol engines is approximately
30°
60°
90°
120°
The maximum torque multiplication ratio in a torque converter is about
2.5
10
25
40
The crankshaft of a typical inline four cylinder engine has ________ balance weights.
12
4
16
8
The operation of removing trapped air from the hydraulic braking system is known as
Trapping
Tapping
Bleeding
Cleaning
The size of engine cylinder is referred in terms of its
Diameter and bore
Displacement and efficiency
Bore and stroke
Bore and length
The function of a radiator fan in the cooling system is that
It blows air through the radiator when necessary
It is turned by wind force as the vehicle moves forward, and its rotation drives the water pump
It cools the engine by blowing air onto the cylinder block
It draws heat out of the engine compartment
The caster is called positive when the top of the king pin is inclined to the
Rear of the vehicle
Front of the vehicle
Left of the vehicle
Right of the vehicle
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 service brakes employed in cars are generally operated
Mechanically
Hydraulically
Pneumatically
None of these
The tilting of the front wheels away from the vertical, when viewed from the front of the car, is called
Camber
Caster
Toe in
Toe out
The rolling resistance is because of the friction between the
Wheel rim and tyre
Tyre and the road surface
Wheel rim and road surface
None of these
The air gap between the central electrode and ground (or side) electrode of a spark plug is around
0.2 mm
0.5 mm
1 mm
1.5 mm
The order in which effort applied to the steering wheel is transferred to the front wheel is
Steering wheel, steering gearbox, steering shaft, tie rod, steering knuckle, front wheels
Steering wheel, steering shaft, steering gearbox, tie rod, steering knuckle, front wheels
Steering wheel, steering shaft, steering gearbox, steering knuckle, tie rod, front wheels
Steering wheel, tie rod, steering gearbox, steering shaft, steering knuckle, front wheels
When the piston is at T.D.C, the volume above the piston in the combustion chamber is the
Clearance volume
Cylinder volume
Exhaust volume
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 lower end is connected to the relevant ________ of crankshaft.
Big end
Crank arm
Journal
Small end
Which of the following is not a part of the chassis?
Wheels
Front axle
Steering system
Seats
The most commonly used power plant in automobiles is
Gas turbine
I.C. engine
Battery
None of these
The fuel that detonates easily, is
N-heptane
Iso-octane
Benzene
Alcohol
An oil filter bypass valve opens when the
Engine is cold
Engine overheats
Oil filter becomes clogged
Engine runs at high speed
The positive plates of a lead acid battery has
Lead peroxide (PbO₂)
Spongy lead (Pb)
Lead sulphate (PbSO₄)
Sulphuric acid (H₂SO₄)
In a petrol engine, the high voltage for spark plug is in the order of
1000 volts
2000 volts
11 kilovolts
22 kilovolts
In order to implement gear changes in the gear unit of an automatic transmission, a ________ is used.
Synchronizer
Planetary gear
Magnetic clutch
Hydraulic multi plate clutch