航海英語船體設(shè)備單項選擇題每日一練(2019.01.12)

來源：考試資料網(wǎng)

1 A single fitting installed in a pipeline that either blanks off the pipe or allows a full flow passage of a liquid through the pipe is referred to as a（）.

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2 Forecastle deck is located in the ship’s（）.

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3 On a ship，the deck stringer is the outboardmost deck（）.

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4 The opening in the deck that leads the anchor cable outside the hull is the（）.

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5 Electric cargo winches have an overload safety device which normally cuts the current to the winch motor（）.

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