單項(xiàng)選擇題Following a grounding, you can best determine that a SLACK fuel oil tank has been holed by ().

A.sounding the tank
B.waiting for the vessel to list
C.examining tank boundaries
D.checking fuel oil strainers


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1.單項(xiàng)選擇題Bilges may be pumped ().

A.on the outgoing tide
B.overboard after dark
C.overboard through an oily water separator
D.anytime in an emergency, i-emain engine lube oil failure

2.單項(xiàng)選擇題Waste oil from the lube oil sumps of machinery may NOT be ().

A.drained into the vessels bilges
B.reclaimed for other uses
C.held in a slop tank
D.purified and then reused

3.單項(xiàng)選擇題Portable carbon dioxide fire extinguishers should be sent ashore to be recharged ().

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

4.單項(xiàng)選擇題The lengthening of a crack formed in the shell plating of a ship may be prevented by ().

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

5.單項(xiàng)選擇題The fire extinguishing action of CO2 comes mostly from ().

A.breaking the fire chemical chain reaction
B.smothering
C.cooling
D.isolating the heat from the fuel

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The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated()

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One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is()

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The additional mark ()in the Classification Certificate for Machinery means propulsion apparatus is remotely controlled on the navigating bridge control station, and engine assembly control station is unmanned periodically.

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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

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By comparing the exhaust gas temperature of each cylinder, the operator can determine if the load is balanced throughout the engine. The device most commonly used is a()

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The cetane rating of diesel fuel is an indication of the ()

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For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?()

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() is not installed on the main switchboar.

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Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the()

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Which one is NOT the ‘clear grounds’ for a more detailed inspection?()

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