單項(xiàng)選擇題When an oil fire has been extinguished, the surface of the oil should be kept covered with foam to prevent ().

A.air from contacting the oil vapors
B.permitting re-ignition boiling of the heated oil
C.spontaneous combustion below the oil surface
D.toxic fumes from escaping to the surface


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1.單項(xiàng)選擇題The process that occurs when heat is generated by a chemical reaction within a substance and continues to a point of ignition is known as ().

A.chemical ignition
B.spontaneous combustion
C.chemical combustion
D.radiation ignition

2.單項(xiàng)選擇題A vessel sailing through the specific special areas may discharge or dispose of ().

A.incinerated ash at anytime
B.fairly dense material that will sink, i√emetal cans or glass bottles at anytime
C.victual waste when at least 12 nautical miles from shore
D.absolutely no garbage at anytime

3.單項(xiàng)選擇題In order to find out which lifeboat you are assigned, you should look at the ().

A.fire control plan
B.certificate of inspection
C.muster list
D.ships articles

4.單項(xiàng)選擇題Fire and lifeboat stations are required to be listed on the ().

A.ships articles
B.muster list
C.bunk card
D.forecastle card

5.單項(xiàng)選擇題Your assigned emergency stations aboard your vessel can be found on the ships ().

A.muster list
B.certificate of inspection
C.clearance papers
D.permit to proceed

最新試題

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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The condensers located in various stages of a flash evaporator are cooled by()

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()connectors hold best if a wire is accidentally pulled or a connection becomes loose.

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The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the()

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() is not installed on the main switchboar.

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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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Flame failure in an automatically fired auxiliary boiler can from a/an ()

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To shut down a diesel engine after it exceeds the set maximum speed,which type of device listed should be used?()

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

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