航海英语消防演习与作业章节练习(2019.05.02)

单项选择题
Foam-type portable fire extinguishers are most useful in combating fires involving（）.
A.solid materials such as wood or bales of fiber
B.inflammable liquids
C.electrical equipment
D.metallic solids
单项选择题
How is the external flotation bladder of an immersion suit inflated?（）
A.It is inflated by a small CO₂ bottle that is automatically tripped when the front zipper is at the top of the zipper track
B.It is inflated by a small CO₂ bottle that is manually tripped
C.It is inflated by blowing through an inflation tube
D.It inflates by sea water bleeding into the flotation bladder and reacting with a chemical therein
单项选择题
A fire in a ballast pumproom can be brought under control with minimal impact on stability by（）.
A.cooling the outside bulkheads with water
B.shutting all sources of air into the compartment
C.closing the sea chest
D.flooding the compartment with salt water
单项选择题
Actuating the CO2 fixed system causes the shutdown of the（）.
A.fuel supply
B.exhaust ventilation
C.supply and exhaust ventilation
D.mechanical and natural ventilation
单项选择题
After using a CO2 extinguisher on a ship，it should be（）.
A.put back in service if some CO₂ remains
B.hydrostatically tested
C.retagged
D.recharged
单项选择题
Except in rare cases，it is impossible to extinguish a shipboard fire by（）.
A.removing the heat
B.removing the oxygen
C.removing the fuel
D.interrupting the chain reaction
单项选择题
Generally，the first action in extinguishing an LFG fire caused by escaping gas is to（）.
A.sweep flames away with water spray
B.shut off the leak
C.use a chemical foam fire extinguisher
D.call the local fire department
单项选择题
Foam extinguishes a fire mainly by（）.
A.cooling
B.chemical action
C.smothering
D.inerting the air
单项选择题
Fire and abandon ship stations and duties may be found on the（）.
A.crewman's duty list
B.Certificate of Inspection
C.shipping articles
D.muster list
单项选择题
Halon extinguishes a fire by（）.
A.breaking the chain reaction
B.smothering the fire
C.cooling the fire
D.coating the fuel with a nonflammable surface