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單項選擇題

When a ship is fully loaded, it needs to prevent the main engine to be（）.While a ship is fully empty, it needs to prevent the main engine to be（）.

A.overspeed；overload
B.overload；overspeed
C.over mechanical load；over thermal load
D.over torque；overspeed

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單項選擇題

When ship is fouled, increasing the fuel injection for keeping the normal speed will cause the main engine （）

A.to work as overload characteristic
B.overspeed
C.over mechanical load only
D.over thermal load only

單項選擇題

The fire of burning plastics is classified as （） fire.

A.Class A
B.Class B
C.Class C
D.Class D

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