航海英語救生作業(yè)單項選擇題每日一練(2019.01.11)

來源：考試資料網

1 The hydrostatic release on the inflatable liferafts on a fishing vessel must be（）.

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2 The worst atmospheric condition for dispersion of H₂S is（）.

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3 If the liferaft capsizes，all personnel should leave the raft and（）.

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4 Prior to boarding from a vessel，a davit-launched liferaft should be well ventilated of excess（）.

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5 Inflatable liferafts shall be serviced at an approved servicing facility every 12 months or not later than the next vessel inspection for certification. However，the total elapsed time between servicing cannot exceed（）.

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