航海英語應(yīng)急預(yù)案與EMS單項(xiàng)選擇題每日一練(2019.01.20)

來源：考試資料網(wǎng)

1 When towing astern what equipment should be stowed ready for use near the towline?（）

2 When water is used to fight a fire on board a ship，the effect of the weight of the water must be taken into account. How much sea water will increase the weight displacement by one ton?（）

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3 Which extinguishing agent is effective in combating an isoprene fire?（）

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4 A group of crew members standing by in case of an emergency in order to assist other teams in action if necessary is a（）.

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5 When electrical equipment is involved in a fire，the stream of dry chemicals should be（）.

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