航海英語探火與消防設(shè)備單項(xiàng)選擇題每日一練(2019.01.06)

來源：考試資料網(wǎng)

1 At the required fire drill conducted aboard a ship，all persons must report to their stations and demonstrate their ability to perform the duties assigned to them（）.

點(diǎn)擊查看答案

2 Any ship damaging a pipe could（）an immediate danger of fire.

點(diǎn)擊查看答案

3 A CO₂ extinguisher on a ship which has lost 10% of its charge must be（）.

點(diǎn)擊查看答案

4 A vessel is constructed with a steel hull and an aluminum superstructure. Which statement is TRUE?（）

點(diǎn)擊查看答案

5 An extinguishing agent which effectively cools，dilutes combustible vapors，removes oxygen，and provides a heat and smoke screen is（）.

點(diǎn)擊查看答案