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301.

The pressure of radiator cap is about:

A.	0.3 to 0.4 kg/cm2	B.	0.4 to 0.5 kg/cm2
C.	0.4 to 0.6 kg/cm2	D.	0.4 to 1.0 kg/cm2

302.

The boiling temperature of water in the radiator is raised to about:

A.	90?C	B.	100?C
C.	110?C	D.	120?C

303.

The energy removed by cooling is about:

A.	10 per cent	B.	20 per cent
C.	30 per cent	D.	40 per cent

304.

Heat losses by exhaust gases is about:

A.	25 per cent	B.	30 per cent
C.	33 per cent	D.	38 per cent

305.

Heat obtained to IHP of total heat generated is:

A.	32 per cent	B.	36 per cent
C.	40 per cent	D.	46 per cent

306.

Heat obtained to BHP of total heat is about:

A.	20 per cent	B.	26 per cent
C.	32 per cent	D.	38 per cent

307.

Heat losses by friction and compression etc. is that:

A.	5 per cent	B.	10 per cent
C.	12 per cent	D.	15 per cent

308.

The main drawback of thermo syphon cooling is that:

A.	Cooling depends on only temperature and independent of engine	B.	Cooling depends on engine speed and independent of temperature
C.	Both (a) & (b)	D.	None of these

309.

Cooling independent of temperature is main drawback of:

A.	Thermo Syphon cooling	B.	Forced pump system
C.	Thermostat	D.	Air cooling system

310.

In which cooling system, the engine warms up quickly after starting:

A.	Thermo Syphon cooling	B.	Forced pump system
C.	Thermostat	D.	Air cooling system