單項選擇題Is extra power available（）emergency while maneuvering?

A.for
B.in
C.during
D.to


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1.單項選擇題To determine if a CO2 fire extinguisher is fully charged，you would（）.

A.Operate the trigger valve
B.Weigh the extinguisher
C.Test with a pressure gauge
D.Read the date of last test

4.單項選擇題There are two disadvantages to CO2 pump as a firefighting agent. One of these is the limited quantity available，and the other is（）.

A.the lack of cooling effect on heated materials
B.that it cannot be used in a dead ship situation with no electrical power to the CO2 pump
C.that it breaks down under extreme heat to form poisonous gases
D.there is no effect on a class A fire even in an enclosed space

5.單項選擇題The sprinkler system of a survival craft is used to（）.

A.cool the craft in a fire
B.cool the engine
C.spray oil on the sea to calm it
D.spray personnel during a fire

6.單項選擇題What is best suited for fighting a fire in a ballast control room?（）

A.Automatic sprinkler system
B.Steam smothering system
C.Dry chemical system
D.Carbon dioxide system

7.單項選擇題What is an advantage of using foam in fire fighting?（）

A.It is effective in controlling fire in flowing oil such as coming from a broken fuel line
B.It absorbs heat from materials that could cause reignition
C.Most foams can be used jointly with dry chemical extinguishing agents to attack a fire by two methods of extinguishment
D.Once the surface is blanketed with foam and the fire is extinguished，no further foam is required

8.單項選擇題Weight is considered during the periodic required inspection and servicing of（）.

A.CO2 (carbon dioxide) fire extinguishers
B.foam fire extinguishers
C.water (stored pressure) fire extinguishers
D.All of the above

9.單項選擇題There is a fire in the crew’s quarters of your vessel. You should（）.

A.ventilate the quarters as much as possible
B.prepare to abandon ship
C.close all ventilation to the quarters if possible
D.attempt to put the fire out yourself before sounding the alarm

10.單項選擇題Triethylene glycol fires may be extinguished by（）.

A.dry chemical
B.alcohol foam
C.carbon dioxide
D.All of the above