航海英語(yǔ)STCW公約的有關(guān)內(nèi)容單項(xiàng)選擇題每日一練(2019.03.30)

來(lái)源：考試資料網(wǎng)

1 The upward slope of a vessels bottom from the keel to the bilge is called（）.

2 If your passenger vessel is fitted with a loudspeaker system，it must be tested at least once （）.

3 The Tonnage Certificate gives（）of a vessel which is classified into gross tonnage and net tonnage.

4 When must the Master or person in charge of a ship log the position of load line marks in relation to the surface of the water in the logbook?（）

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5 The sprocket teeth on a wildcat are known as the（）.

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