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211.

The pour point of diesel fuel oil must be

A.	More than the coldest atmospheric temperature at which oil is to be pumped	B.	Less than the coldest atmospheric temperature of which oil is to be pumped
C.	More than 100?C	D.	More than 0?C
E.	Less than 0?C

212.

In a compression ignition engine squish is

A.	Created at the beginning of suction stroke	B.	Created at the end of suction stroke
C.	Created during combustion	D.	Created towards the end of compression stroke
E.	None of the above

213.

For the same power and same speed, the flywheel of a two stroke engine as compared to that of a four stroke engine will be

214.

Which statement is incorrect?

A.	Morse test can be conducted on petrol engines	B.	Morse test can also be conducted on diesel engines
C.	Morse test can be conducted only on multicylinder engines	D.	LH.P of engines can be determined by more test
E.	Morse test can be conducted on CFR engine.

215.

The efficiency of a jet engine is higher at

A.	Lower altitudes	B.	Higher altitudes
C.	Low speeds	D.	High speeds
E.	High speeds and low altitudes

216.

A jet engine has

217.

In a jet propulsion unit the products of combustion after passing through the gas turbine are discharged into

218.

Air fuel ratio for a jet engine is of the order of

219.

Samples of exhaust gases from following engines have been collected:

A.	Petrol engine	B.	Diesel engine
C.	Gas engine	D.	Jet propulsion unit

220.

To augment the thrust of jet propulsion units part of the fuel is burned in the exhaust. How does this fuel burn

A.	Oxygen is also supplied along with fuel	B.	Some chemicals rich in oxygen are mixed with fuel
C.	Fuel finds oxygen from excess air supplied to engine	D.	Fuel is never burned in exhaust pipe