Q.1
A clutch is usually designed to transmit maximum torque which is
Q.2
The main purpose of an engine's air cleaner is that it
Q.3
It is necessary to maintain the valve clearances as they
Q.4
The petrol engine works on
Q.5
The Diesel engine works on
Q.6
The component of the oil filter that prevents the passage of metal particles and sludge is
Q.7
The characteristic that is enhanced by the use of cylinder sleeves is
Q.8
The cetane number of a Diesel fuel is a measure of
Q.9
The sequence in which the force is transmitted through a brake system when the brake pedal is depressed is
Q.10
The purpose of turning radius gauges is to measure the
Q.11
Two advantages of using helical gears rather than spur gears in a transmission system are
Q.12
The best fuels for compression ignition engines are
Q.13
In Spark Ignition Engine
Q.14
The exhaust gas from petrol engine contains
Q.15
When the front wheels of a vehicle are locked during braking, then
Q.16
What type of bearing is used for main bearings and connecting rod bearings?
Q.17
During braking, the brake shoe is moved outward to force the lining against the
Q.18
The cam shaft in an engine is always mounted
Q.19
The included angle is the sum of the
Q.20
In bias ply tyres
Q.21
In radial tyres
Q.22
The gradient resistance to a vehicle having a mass of 980 kg moving on an incline of 10° is
Q.23
In aluminium cylinder blocks, the cylinder liners are made of
Q.24
The brake pedal during ABS operation
Q.25
In a ventilated disc brake
Q.26
A traction control system (TCS) in automobiles controls the
Q.27
The number of exhaust manifolds in a V6 engine is
Q.28
The most commonly used power plant in automobiles is
Q.29
The commonly used antifreeze solution in automobiles is
Q.30
The indicated power of a four stroke engine (in watts) is equal to (where P = Mean effective pressure in N/m², L = Length of stroke in metres, A = Cross-sectional area of the piston in m², and N = Speed of the engine in revolutions per second (r.p.s)
Q.31

The crankcase dilution means

  • dilution of fuel in the crankcase
  • dilution of oil by water in the crankcase
  • dilution of lubrication oil by fuel in the crankcase
  • dilution of mixture passing through crankcase in two-stroke engines
Q.32

The main cause for the change in engine oil viscosity is

  • humidity
  • temperature
  • vibration
  • contamination
Q.33

The materials used for cylinder block are

  • cast iron and steel
  • cast iron and aluminium alloy
  • steel and aluminium alloy
  • brass and steel
Q.34

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
Q.35

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
Q.36

Vulcanizing means

  • heating rubber under pressure
  • spraying with special paint
  • melting rubber while stirring it
  • none of these
Q.37

The positive plates of a lead acid battery has

  • lead peroxide (PbO2)
  • spongy lead (Pb)
  • lead sulphate (PbSO4)
  • sulphuric acid (H2SO4)
Q.38

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
Q.39

The connecting rod lower end is connected to the relevant __________ of crankshaft.

  • big end
  • crank arm
  • journal
  • small end
Q.40

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
Q.41

The engine torque increases with the increase in engine speed up to a certain point after which it starts to fall down.

  • Correct
  • Incorrect
Q.42

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
Q.43

In a hydraulic power steering system, the power steering pump is driven by a

  • belt-driven by camshaft
  • chain-driven by crankshaft
  • belt-driven by driveshaft
  • belt-driven by crankshaft
Q.44

The connecting rod connects the piston and the

  • cylinder head
  • cylinder block
  • camshaft
  • crankshaft
Q.45

The parking brake generally acts on

  • front wheels
  • rear wheels
  • front and rear wheels
  • propeller shaft
Q.46

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
Q.47

The instrument used to check specific gravity of acid in a battery is

  • hydrometer
  • hygrometer
  • anemometer
  • multimeter
Q.48

The basic purpose of tyre rotation on automobiles is to

  • avoid ply separation
  • equalize wear
  • get better ride
  • none of these
Q.49

In a square type engine

  • geometrical shape is square
  • diameter and length of piston are same
  • two cylinders are placed horizontal and two vertical
  • stroke length and cylinder bore are same
Q.50

The commonly used antifreeze solution in automobiles is

  • carbon disulphide
  • ethylene glycol
  • ammonium chloride
  • freon-12
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