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單項選擇題

Once a scavenge fire is detected the engine （）.

A.will be speeded up
B.should be slowed down
C.must slow down
D.have to be slow down

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單項選擇題

Once a fire is detected the engine should be slowed downOn no account （）.

A.the trunking should be opened up
B.should the trunking be opened up
C.the trunking should not be opened up
D.should the trunking not be opened up

單項選擇題

On top of scavenging air box is mounted a strong cast iron frame for each cylinder known as（）

A.cooling jacket
B.cylinder liner
C.piston crown
D.cylinder cover