單項選擇題When a ship is entering to shallow water, ship resistance will be increased and the speed of main engine reduced.Due to the function of the governor, the main engine will（）

A.reduce fuel feeding
B.increase fuel feeding
C.keep original fuel feeding
D.be overspeed


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2.單項選擇題While sailing under normal weather and sea condition, the basic parameter which is used to restrict the fuel injection of main engine is （）

A.power of main engine
B.turbine rotation speed
C.speed of main engine
D.exhaust temperature

4.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

5.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