航海英語液體散裝危險品與IBC規(guī)則單項選擇題每日一練(2019.01.16)

來源：考試資料網(wǎng)

1 Spreading oil on the open sea has the effect of（）.

2 Regulations require that cargo pumprooms on tank barges (constructed in 1965) carrying grades B or C liquid cargoes have power ventilation systems which can completely change the air in （）.

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3 If you are fighting a fire below the main deck of your vessel，which action is most importantconcerning the stability of the vessel? （）

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4 One of the principal dangers inherent in liquefied petroleum gas is（）.

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5 Regulations require that tank vessels handling grade B liquids shall have their cargo pumps separated from all sources of vapor ignition by（）.

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