A donkey boiler is _____.
A.one to supply steam to the main propulsion turbine
B.an auxiliary boiler
C.A and B
D.neither A nor B
A.one to supply steam to the main propulsion turbine
B.an auxiliary boiler
C.A and B
D.neither A nor B
A.the pump cylinder
B.the pump cam
C.the pump plunger
D.the pump miler
A.Excessive compression in the cylinder
B.A broken intake valve
C.A dirty inlet filter element
D.An improperly adjusted discharge valve
A.100 kW
B.400 kW
C.500 kW
D.600 kW
A.an International Ship Security Certificate
B.an International Oil Pollution Prevention Certificate
C.a Safety Management Certificate
D.an International Ballast Water Management Certificate
A.0.4米以上
B.0.6米以上
C.0.8米以上
D.1米以上
B、Ⅰ+Ⅲ+Ⅴ
C、Ⅱ+Ⅳ+Ⅵ
D、Ⅲ+Ⅴ+Ⅵ
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