The following type of carburettor is preferred_______________?

A. Concentric type
B. Eccentric type
C. Horizontal type
D. Vertical type

The basic requirement of a good combustion chamber is___________________?

A. high compression ratio
B. low compression ratio
C. low volumetric efficiency
D. minimum turbulence

Deposition of carbon in petrol engine cylinder would result in increase of__________________?

A. Clearance volume
B. Swept volume
C. Compression ratio
D. Volumetric efficiency

The part load efficiency of a carburettor is,___________________?

A. Maximum
B. Optimum
C. Poor
D. Constant

In turbulence chamber in diesel engine__________________?

A. The shape and layout of the piston crown, the inlet port, and the valve produce the turbulent effect of fuel mixture
B. Fuel is injected into an auxiliary chamber that is separated from the cylinder by an orifice or throat
C. Only a part of air charge is contained in an auxiliary chamber in which the fuel starts to burn with insufficient air which due to explosion tendency mixes thoroughly into main cylinder charge
D. There are no valves

If petrol is used in a diesel engine, then______________?

A. Higher knocking will occur
B. Efficiency will be low
C. Low power will be produced
D. Black smoke will be produced

A two stroke crank compressed engine has following ports in the cylinder_______________?

A. suction port and exhaust port
B. transfer port only
C. suction port and transfer port
D. transfer port and exhaust port

Scavenging air is supplied to a two-stroke engine at a density greater than that of atmosphere. This means the engine is__________________?

A. Supercharged
B. Not supercharged
C. Charged
D. Supercharged provided its speed is low

A two stroke engine is usually identified by__________________?

A. Size of flywheel
B. Weight of engine
C. Type of lubrication system
D. Absence of valves

In the case of compression ignition engine, the %age of CO in exhaust gases is________________?

A. Zero
B. 5-10%
C. Depends on load
D. Considerable percent