航海英語液體散貨運(yùn)及有關(guān)規(guī)則單項(xiàng)選擇題每日一練(2019.01.10)

來源：考試資料網(wǎng)

1 Every new crude oil tanker of 20000 tons deadweight and above shall be fitted with a cargo tank cleaning system using（）.

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2 Increasing the number of slack liquid tanks has the effect of raising the（）.

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3 A tank which is NOT completely full or empty is called（）.

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4 A vessel loads edible oil in a deep tank through a manhole at the midlength of the tank. In order to fill the tank to maximum capacity，what trim should the vessel have?（）.

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5 Pump out No.2 port ballast tank to（）.

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