航海英語探火與消防設(shè)備單項選擇題每日一練(2019.01.17)

來源：考試資料網(wǎng)

1 The danger of a charged hose left unattended on deck with the nozzle open is（）.

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

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

4 A cabinet or space containing the controls or valves for the fixed firefighting system must be（）.

5 A galley grease fire on the stove may be extinguished using（）.