单项选择题
Main engine room control console alarms are to be of the self monitoring type, meaning that an open circuit to a particular alarm circuit will ()
A.cause an alarm condition
B.secure power to the indicator
C.secure power to the monitored device
D.automatically recluse within 10 seconds
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相关考题
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单项选择题
At which of the following locations would a duplex pressure gage most likely be located?()
A.Fuel oil service pump discharge
B.Fuel oil strainer
C.Fuel oil heater
D.Fuel oil flow meter -
单项选择题
The function of lubricating oil is to ()
A.maintain even distribution of bearing wear
B.maintain a constant oil temperature
C.maintain a pressurized film between moving surfaces
D.remove entrained water -
单项选择题
Main propulsion engine lube oil sumps should be constructed ()
A.so as to never be integral lube
B.with a sloped bottom
C.only of nonferrous, noncorrosive metals
D.with drain/return lines terminating just above or at the designed normal level
