航海英語探火與消防設(shè)備單項(xiàng)選擇題每日一練(2019.01.20)

來源：考試資料網(wǎng)

1 A fixed CO₂ system on a ship with a capacity of over 300 lbs (136 kilograms) CO₂ which protects spaces other than tanks must have（）.

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2 Any firefighting equipment that is carried in addition to the minimum required must（）.

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3 A foam-type portable fire extinguisher would be most useful in combating a fire in（）.

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4 According to the regulations，what fire safety control feature is required in quick-closing shut off valves?（）

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5 A ship helicopter landing deck on which fueling operations are conducted must have a fire protection system that is capable of discharging at 100 psi pressure a foam spray of at least（）.

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