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單項選擇題

The indications of a scavenge fire are excessive black smoke, （） and peeling from scavenge trunking.

A.turbo-chargers surge
B.spark seen from the drains
C.paint blistering
D.all above are right

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單項選擇題

The indicated power of an engine can be obtained by taking the （）.

A.precautions
B.rpm
C.indicator cards
D.B and C

單項選擇題

The ignition of the fuel in diesel engine is caused by the （） of compression of the air previously admitted into the cylinders.

A.vacuum pressure
B.specific gravity
C.heat
D.viscosity

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