航海英語(yǔ)應(yīng)急預(yù)案與EMS單項(xiàng)選擇題每日一練(2019.01.24)

來(lái)源：考試資料網(wǎng)

1 Where would you find the FCC authorization for transmitting on your ship’s EPIRB?（）

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

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4 When should a fire be ventilated?（）

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5 When fire pumps are used for other than firefighting service，each pipe connecting the other service (except for branch lines used for deck washing) must have a（）.

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