A.15 liters nautical mile
B.30 liters nautical mile
C.60 liters nautical mile
D.100 liters nautical mile
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A.bilge tank
B.sludge tank
C.overflow tank
D.oil collecting tank
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
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