Q.1.

The basic characteristics of a brake fluid is

Q.2.

Which part of the automobile tyre is subjected to greatest flexing action ?

Q.3.

The calorific value of petrol is about

Q.4.

The starter motor is driven by

Q.5.

The main purpose of an engine's air cleaner is that it

Q.6.

During suction stroke, the inside pressure of cylinder is

Q.7.

The fuel pump of a programmed fuel injection (PFI) system operate for two seconds when the ignition is turned to the start position to

Q.8.

The composition of the electrolyte in a fully charged battery is that

Q.9.

The function of a carburettor is to control the amount and ratio of air-fuel mixture.

Q.10.

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

Q.11.

The temperature indicating instrument in vehicles indicates the temperature of

Q.12.

The petrol engine works on

Q.13.

The temperature at which tyre inflation pressure should be checked is

Q.14.

The ball joints are used on the tie-rod ends, because they

Q.15.

The correct flow of power through the drive train is

Q.16.

The device for smoothening out the power impulses from the engine is called

Q.17.

The piston compression rings are made of

Q.18.

The function of a first compression ring (top ring) is that it

Q.19.

The function of an oil control orifice is that it

Q.20.

In which of the following conditions, the idle CO percentage should be measured with the vehicle ?

Q.21.

The basic purpose of a four wheel drive (4WD) system is that it

Q.22.

The component in the radiator of an automobile that increases the boiling point of water is

Q.23.

In aluminium cylinder blocks, the cylinder liners are made of

Q.24.

The ignition coil is used to

Q.25.

The gradient resistance to a vehicle having a mass ofkg moving on an incline ofis

Q.26.

The most effective method of controlling S.I. engine exhaust emission is by

Q.27.

The tyre rotation is generally done at

Q.28.

When indicated power (I.P.) and frictional power (F.P.) are known, we can calculate

Q.29.

A basic difference between the spark ignition engine and the Diesel engine is that the

Q.30.

Damper in an automobile is used to

Q.31.

An oil filter bypass valve opens when the

Q.32.

The calorific value of Diesel is about

Q.33.

The negative plates of a lead acid battery has

Q.34.

The air resistance to a car atkmph is R. The air resistance atkmph will be

Q.35.

The octane number of compressed natural gas (CNG) is

Q.36.

The compression ratio for Diesel engines usually lies in the range of

Q.37.

The main function of a master cylinder is to

Q.38.

The aspect ratio (expressed in percentage) of the tyre is defined as the ratio of

Q.39.

The number of exhaust manifolds in a V-6 engine are

Q.40.

The advantage of having a tandem master cylinder arrangement in automobiles is that it

Q.41.

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)

Q.42.

The heat transfer from coolant to air in the radiator of an automobile engine takes place by

Q.43.

In vehicles with tilt steering, the steering column is pivoted in

Q.44.

The purpose of a balancer shaft is to

Q.45.

The process of removing the burnt gases from the engine cylinder by the fresh charge coming into the engine cylinder from the crank-case, is known as

Q.46.

The reconditioning process used to give cylinder bore surfaces a cross-hatch pattern, is known as

Q.47.

The power actually developed inside the engine cylinder is called as

Q.48.

The function of a proportioning control valve (PCV) in a brake system is to

Q.49.

A battery can be charged by

Q.50.

The cam shaft in an engine is always mounted