单项选择题
If a small fire initially breaks out in the engine room bilges, in which of the following sequences should the fire extinguishing agents or systems be used?（）
A.Fixed CO2,semi-portable CO2, then hand portable CO2
B.Semi-portable CO2, fixedCO2, then hand portable CO2
C.Hand portable, semi-portable CO2, then as a last resort the fixed CO2 system
D.Hand portable, fixed CO2, then as a last resort the semi-portable CO2
点击查看答案&解析
相关考题
-
单项选择题
The term "discharge", as it applies to the pollution regulations, means（）.
A.spilling
B.leaking
C.dumping
D.All of the above -
单项选择题
To prevent the spread of fire by convection you should （）.
A.remove combustibiles from direct exposure
B.cool the bulkhead around the fire
C.close all openings to the area
D.shut off electrical power -
单项选择题
When welding or burning aboard a vessel, you must be certain that the space （）.
A.is properly vented
B.contains no explosive fumes
C.has no oil in the bilges
D.all of the above
