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
Correct Answer :
B. Less than 40 kmph
Related Questions
The connecting rod connects the piston and the
Cylinder head
Cylinder block
Camshaft
Crankshaft
The function of a second ring is that it is a
Back up compression ring which will work in place of the top ring when it is broken
Compression ring and aids the top ring in sealing and cooling
Back up oil control ring which will work in place of the bottom ring when it is broken
Cushion ring which prevents piston slap and knock
Which of the following is not a part of the chassis?
Wheels
Front axle
Steering system
Seats
A clutch is usually designed to transmit maximum torque which is
Equal to the maximum engine torque
80 % of the maximum engine torque
150 % of the maximum engine torque
None of these
In bias ply tyres
All plies run parallel to one another
Belts of steel mesh are used in the tyres
One ply layer runs diagonally one way and another layer runs diagonally the other way
All of the above
The maximum torque multiplication ratio in a torque converter is about
2.5
10
25
40
The lubrication oil flow in an engine is in the order as
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
The aluminium alloy is used in cylinder blocks because
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
The basic characteristics of a brake fluid is
A high boiling point
Low viscosity
Compatibility with rubber and metal parts
All of these
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
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 coefficient of rolling resistance for a truck weighing 63,500 N is 0.018. The rolling resistance to the truck is
1.143 N
11.43 N
114.3 N
1143 N
The sequence order of events in a four stroke engine is
Suction exhaust power compression
Suction power compression exhaust
Suction compression power exhaust
Exhaust compression power suction
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
An engine has a clearance volume of 100 cm³ and a swept volume of 800 cm³. The compression ratio is
7 : 1
8 : 1
9 : 1
10 : 1
The function of an oil control orifice is that it
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
In a single dry plate clutch, torsional vibrations are absorbed by
Coil springs known as torsional springs
Cushion springs
Central hub
Clutch pedal
The antiknock property of compression ignition engine fuel can be improved by adding
Tetraethyl lead
Trimethyl pentane
Amyl nitrate
Hexadecane
Free pedal play in car clutches is about
15 mm
25 mm
40mm
60 mm
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
A heat treated glass generally used in automobiles bursts into ________ upon cracking,
Sharp edged fragments
Small particles
Large particles
None of these
The path taken by intake air is
Carburettor (or throttle body) air cleaner intake manifold intake ports cylinders
Air cleaner carburettor (or throttle body) intake ports intake manifold cylinders
Air cleaner intake manifold carburettor (or throttle body) intake ports cylinders
Air cleaner carburettor (or throttle body) intake manifold intake ports cylinders
In a Diesel engine, the fuel is ignited by
An electric spark
The heat of compression
The hot exhaust
None of these
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 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
The aspect ratio (expressed in percentage) of the tyre is defined as the ratio of
Section width to section height
Section height to section width
Wheel diameter to section height
Wheel diameter to section width
The difference between DOT 3 and DOT 4 brake fluids is
DOT 4 fluids have a higher boiling point than DOT 3 fluid
DOT 4 fluids have a lower boiling point than DOT 3 fluid
DOT 3 and DOT 4 fluids have the same boiling point, but DOT 4 fluid has a longer service life
DOT 4 fluid is more resistant to freezing than DOT 3 fluid
The exhaust gas from petrol engine contains
Petrol vapours
Water vapours
Carbon monoxide
All of these
Highest useful compression ratio (HUCR) is the highest compression ratio at which the
Engine can run
Engine gives maximum output
Engine is most efficient
Fuel can be used in a test engine without knocking
The valve overlap in four stroke petrol engines is approximately
30°
60°
90°
120°