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單項選擇題

Excessive piston ring wear in a diesel engine will cause（）

A.high lube oil viscosity
B.increased lube oil consumption
C.low lube oil temperatures
D.high firing pressures

單項選擇題

In the voyage, when carrying out abandon ship drill, should be test every time（）.

A.the emergency lighting system for muster and abandon ship
B.air/oil emergency shut-down
C.M-Eemergency operation
D.main/auxiliary steering gear changing