航海英語探火與消防設(shè)備單項選擇題每日一練(2019.01.16)

來源：考試資料網(wǎng)

1 An engine compartment gasoline fire requires which type of extinguisher?（）.

2 A marine chemist issues gas free certificates and is certified by the（）.

3 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（）.

4 A spring line is（）.

5 A foam-type portable fire extinguisher is most useful in fighting a fire in（）.