航海英語船舶索具名稱單項(xiàng)選擇題每日一練(2019.01.19)

來源：考試資料網(wǎng)

1 Limit switches on gravity davits should be tested by（）.

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2 A fid is a（）.

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3 The rope which is the lightest is（）.

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4 An anchor winch should be equipped with mechanical brakes capable of holding（）.

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5 Neglecting friction，you desire to lift a 300 kgs weight with a stress on the hauling part of 100 kgs.Which of the following tackles would you use?（）.

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