A.drained into the vessels bilges
B.reclaimed for other uses
C.held in a slop tank
D.purified and then reused
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A.when the remaining charge volume is less than 90 percent of the required VOLUME
B.at each inspection for certification
C.at each annual inspection
D.when the weight loss exceeds 10% of weight of charge
A.welding brackets across both ends of the crack
B.chipping out and slot welding the entire crack
C.drilling a hole at each end of the crack
D.cutting a square notch at each end of the crack
A.breaking the fire chemical chain reaction
B.smothering
C.cooling
D.isolating the heat from the fuel
A.quantity of fuel to be received
B.flash point of the fuel as it is received
C.fuel temperature as it is received
D.viscosity of the fuel being received
A.close the static leg filling valve
B.close the overflow tank falling valve
C.reduce the fuel oil pumping rate
D.stop the fuel oil pumping operation
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“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a（）
To proceed to the assistance of a ship in distress is（）
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When does auxiliary burner of incinerator put into operation? （）Ⅰ. start incinerator when it is coldⅡ. the sludge for dealing with is littleⅢ. the sludge for dealing with is largeⅣ. the water and impurity in sludge are too muchⅤ. the temperature in incinerator is lowⅥ. dealing with little solid rubbish