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91.

Exhaust valve temperature is about

92.

The function of a governor in automobile is to

A.	Limit the power	B.	Limit the speed
C.	Effect maximum fuel economy	D.	Maintain constant engine speed
E.	Maintain constant engine speed when the vehicle speed changes

93.

Connecting rod is attached to the piston by the

94.

Excess oil consumption in engine may be due to

A.	Leakage of oil through oil pan gasket	B.	Poor quality or improper viscosity of engine oil
C.	Excessive oil pressure	D.	Badly worn piston rings
E.	Any of the above

95.

In an engine the probable cause for low oil pressure cannot be

A.	Use of heavy engine oil	B.	Use of dilute engine oil
C.	Air leaks in oil pump suction line	D.	Excessive clearances at valve pushers
E.	Water, sludge, dirt etc. restricting pump intake screen

96.

If a spark plug does not fire, the probable cause could be

A.	Cracked porcelain	B.	Carbonized porcelain
C.	Moisture or dirt accumulation on porcelain	D.	Weak ignition coil
E.	Any of the above

97.

Wheel base of a vehicle is the

A.	Distance between front and rear axles	B.	Distance between the front tyres
C.	Extreme length of the vehicle	D.	Width of tyres
E.	The combined width of rear tyres

98.

Which is the Diesel engined vehicle

99.

The number of cylinders in an Ambassador car is

100.

The percentage of heat released from fuel air mixutre, in an internal combustion engine which is converted into useful work is roughly