单项选择题

Overspeed of the diesel engine driving an electric generator could cause（）.

A.low voltage trip
B.reverse power trip
C.damage to windings
D.excessive exhaust temperatures

相关考题

One major disadvantage of a low-speed diesel as compare...

单项选择题One major disadvantage of a low-speed diesel as compared to a steam main-propulsion system is（）.

A.the extra weight required for the diesel reduction gearing
B.a minimum speed for the engines that limits the minimum speed of the vessel
C.the higher fuel consumption per SHP
D.the low efficiency of the system when a controllable pitch propeller is used

On a vessel with a single propeller，transverse force ha...

单项选择题On a vessel with a single propeller，transverse force has the most effect on the vessel when the engine is put（）.

A.full ahead
B.full astern
C.half ahead
D.slow astern

On a twin-screw，twin-rudder vessel，the most effective w...

单项选择题On a twin-screw，twin-rudder vessel，the most effective way to turn in your own water，with no way on，is to put（）.

A.one engine ahead and one engine astern，with full rudder
B.one engine ahead and one engine astern，with rudders amidships
C.both engines ahead，with full rudder
D.both engines astern，with full rudder

船舶动力装置

Overspeed of the diesel engine driving an electric generator could cause（）.