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101.

Cetane number of diesel generally used in India is in the range

102.

Vapour lock is

A.	Seizure of supply of fuel in a diesel engine	B.	Serious restriction to the supply of fuel due to excessively rapid formation of vapour in S.I. engine
C.	Locking of carbourettor jets due to vapour formation	D.	Locking of jets due to impurities in petrol
E.	None of the above

103.

Which one of the following factors will not assist in getting high power output from a compression ignition engine

104.

In automobiles as the speed of vehicle increases the back pressure

105.

The mean effective pressure of a diesel cycle having fixed compression ratio will increase if cut off ratio will

106.

Thermal efficiency of a compression ignition engine may be of the order of

107.

This purpose of supercharging an engine is

A.	To increase the power output of engine	B.	To reduce specific fuel consumption
C.	To reduce the noise of engine	D.	To improve cooling of cylinders
E.	None of the above

108.

Most of the heat generated in I.C. engines is transferred to surrounding medium by

109.

In an engine radiator, heat is transferred by

110.

Percentage improvement in power in case of a four stroke diesel engine with the help of a supercharger may be expected in the range