航海英語探火與消防設(shè)備單項選擇題每日一練(2019.01.21)

來源：考試資料網(wǎng)

1 At night while the ship is tied up to the dock，a fire breaks out in a cargo hatch. After sounding the alarm，what should the person on watch do?（）

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2 An ABC dry chemical fire extinguisher would be LEAST effective against a fire in（）.

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3 Which statement is TRUE concerning spare charges for portable fire extinguishers on unmanned tank barges?（）.

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4 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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5 No outlet on a fire hydrant may point above the horizontal in order to（）.

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