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單項選擇題

For a main diesel engine the lube oil in the bearings is drawn from （）, usually located in the bedplate.

A.a gravity tank
B.a sump
C.a vessel
D.a bottle

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單項選擇題

For a generator engine, after passing through the turbine the exhaust gas may be conducted out into the （）.

A.intercooler
B.open air
C.oil fired boiler
D.B and C

單項選擇題

For a diesel engine, when the piston is at the （）, the clearance volume is the largest.

A.TDC
B.DTC
C.BDC
D.DBC