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航海英語(yǔ)應(yīng)急預(yù)案與EMS單項(xiàng)選擇題每日一練(2019.01.12)
來(lái)源:考試資料網(wǎng)
1
Which extinguishing agent is the best for use on electrical fires?()
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2
When dry chemical extinguishers are used to put out class B fires,there is a danger of reflash because dry chemical().
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3
Where foam extinguishing systems are provided on a ship,each machinery flat in the protected space must have a(n)().
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4
Which extinguishing agent is effective in combating an isoprene fire?()
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5
Which space(s) on your cargo vessel must have a fire detection system?()
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