A.bilge tank
B.sludge tank
C.overflow tank
D.oil collecting tank
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A.lack of refrigerant
B.refrigerant with much water
C.set defectively low pressure relay
D.no cooling water
A.centrifugal pump is cheaper than reciprocating pump
B.the size of centrifugal pump with same capacity is smaller than that of reciprocating pump
C.centrifugal pump makes maintenance easier than reciprocating pump does
D.all of the above
A.rise quickly
B.rise slowly
C.drop quickly
D.drop slowly
Continuous surging of turbocharger can be caused by（）
①crash stop of engine
②increased back pressure after T-Ch
③fouled or damaged turbine nozzle ring
A.all are correct
B.②and③are correct
C.none of the above is correct
D.①only is correct
A.reducing speed to SLOW and asking bridge for permission to stop
B.stopping the fuel oil supply
C.switching-on the auxiliary blowers
D.putting the scavenge air box fire extinguishing equipment into function
最新試題
Under MARPOL Code the ship to which it applies has to carry （）
If two A.C.generators are to be operated in parallel, the load is distributed evenly by（）
Which of the listed governor characteristics will greatly affect the load sharing relationship between paralleled diesel generators?（）
As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?（）
During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.
（） is not installed on the main switchboar.
The condensers located in various stages of a flash evaporator are cooled by（）
Flame failure in an automatically fired auxiliary boiler can from a/an （）
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）
（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.