航海英語消防演習(xí)與作業(yè)單項選擇題每日一練(2019.01.17)

來源：考試資料網(wǎng)

1 Fire in an engine compartment is best extinguished with carbon dioxide gas (CO₂) and by（）.

2 Fire may be spread by which means?（）.

3 A fire in a ballast pumproom can be brought under control with minimal impact on stability by（）.

4 Fusible-link fire dampers are operated by（）.

5 Control valves of a CO₂ system may be located within the protected space when（）.