单项选择题
A.fouling turbine B.fuel pump faults C.lubrication failure D.excessive cooling
As a heat engine,（） energy is the source of power by wh...
单项选择题As a heat engine,（） energy is the source of power by which the diesel engine can be operated.
A.electric B.heat C.mechanical D.exhaust
An overspeed safety device is usually fitted to a gener...
单项选择题An overspeed safety device is usually fitted to a generator engine for （） in the event of overspeed.
A.cutting power off the engine B.increasing the fuel pump setting C.braking the crankshaft D.stabilizing the ship speed
An interlock in the remote operating valve line stops t...
单项选择题An interlock in the remote operating valve line stops the valve （） when the engine turning gear is engaged.
A.to open B.opening C.open D.opened
