海船船员考试
单选题Overspeed of the diesel engine driving an electric generator could cause（）.A low voltage tripB reverse power tripC damage to windingsD excessive exhaust temperatures
题目
low voltage trip
reverse power trip
damage to windings
excessive exhaust temperatures
相似问题和答案
第1题：
For most diesel propulsion and generator engines, the over-speed trip device will stop the engine by
A.moving the governor control to stop
B.shutting off the lubricating oil supply
C.tripping the governor emergency stop lever
D.shutting off the fuel supply
第2题：
principle
principal
cause
case
第3题：
Diesel engine electric starting motors generally require heavier duty motors and motors and operate at higher voltages than comparable starting motors for gasoline engines due to _____________.
A.higher speed required
B.flywheel-effect
C.lower starting temperatures
D.higher compression pressures
第4题：
moving the governor control to stop
shutting off the lubricating oil supply
tripping the governor emergency stop lever
shutting off the fuel supply
第5题：
excessive compression pressure
air in the fuel lines
high fuel pressure
excessive load
第6题：
Sudden unloading of a diesel engine can cause ______．
A.Decreased fuel efficiency
B.Increased exhaust temperature
C.Black smoke
D.Overspeed trip
第7题：
030 to 1
300 to 1
333 to 1
330 to 1
第8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
柴油机超速驱动一发电机可能引起对卷损坏。
第9题：
neutralize armature reaction
conduct electric current to an outside circuit
convert DC current to AC current
provide excitation to a DC generator
第10题：
electrical overload
surging at governed RPM
loose engine mounting bolts
coolant leaking into the cylinder