考题列表
- 单项选择题 How is the external flotation ...
- 单项选择题 How does foam extinguish an oi...
- 单项选择题 How do you operate a portable ...
- 单项选择题 High-velocity fog（）.
- 单项选择题 Halon from extinguishers used ...
- 单项选择题 Halon fire extinguishers are N...
- 单项选择题 Halon extinguishes fire primar...
- 单项选择题 Halon extinguishes a fire by（）.
- 单项选择题 Halon extinguishers used on a ...
- 单项选择题 Good housekeeping on a vessel ...
- 单项选择题 Generally，the first action in ...
- 单项选择题 Gas masks（）.
- 单项选择题 Fusible-link fire dampers are ...
- 单项选择题 Foam-type portable fire exting...
- 单项选择题 Foam is a very effective smoth...
- 单项选择题 Foam extinguishes a fire mainl...
- 单项选择题 Foam extinguishes a fire by（）.
- 单项选择题 Foam extinguishes a fire by（）.
- 单项选择题 Flames from small leaks of LFG...
- 单项选择题 Flame screens are used to（）.
- 单项选择题 Fixed CO2 systems would not be...
- 单项选择题 Firefighting foam is only effe...
- 单项选择题 Fire may be spread by which me...
- 单项选择题 Fire in an engine compartment ...
- 单项选择题 Fire hose should be washed with（）.
- 单项选择题 Fire hose couplings（）.
- 单项选择题 Fire fighting equipment requir...
- 单项选择题 Fire extinguishing agents used...
- 单项选择题 Fire extinguishers on inspecte...
- 单项选择题 Fire extinguishers of sizes II...
- 单项选择题 Fire and abandon ship stations...
- 单项选择题 Fire alarm system thermostats ...
- 单项选择题 Except in rare cases，it is imp...
- 单项选择题 Control valves of a CO2 system...
- 单项选择题 CO2 cylinders，which protect th...
- 单项选择题 CO2 cylinders equipped with pr...
- 单项选择题 Automatic mechanical ventilati...
- 单项选择题 An inflatable liferaft should ...
- 单项选择题 After using a CO2 extinguisher...
- 单项选择题 After each reading of an oxyge...
