航海英語船舶結(jié)構(gòu)基本知識單項選擇題每日一練(2019.01.10)

來源：考試資料網(wǎng)

1 When using the term limber system one is referring to a（）.

2 （）is the main center-line structural member，running fore and aft along the bottom of a ship，sometimes referred to as the backbone.

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3 A twin-screw vessel with a single rudder is making headway. The engines are full speed ahead. There is no wind or current. Which statement is FALSE?（）.

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4 A vessel is equipped with twin propellers，both turning outboard with the engines half ahead. If there is no wind or current and the rudders are amidships，what will happen?（）.

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5 The pivoting point of a fully loaded vessel with normal trim proceeding ahead at sea speed is（）.

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