單項選擇題

When a ship is entering to narrow waterway and the fuel feeding of the main engine is keeping unchanged, which of the following is the wrong conclusion?（）

A.the power of main engine will be reduced
B.exhaust temperature will be increased
C.the speed of the ship will be reduced
D.the propulsion characteristic of propeller will keep unchanged

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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

單項選擇題

Whether a ship is sailing before the wind or sailing in the rough sea, we must reduce the fuel injection of the main engine.For the former one, it aims to prevent the main engine being（）, while for the later one, it aims to prevent the main engine being（）.

A.overspeed；overload
B.overload；overspeed
C.over torque；overspeed
D.low mechanical efficiency；overload