更多"A C02 portable extinguisher is annu"的相关试题:
[单项选择]A CO2 portable extinguisher is annually checked by（）.
A. reading the gage pressure
B. weighing the extinguisher
C. discharging a small amount of CO2
D. seeing if the seal has been broken
[单项选择]0n a vessel ,a C02 extinguisher is checked by（）.
A. reading the gage pressure
B. weighing the extinguisher
C. discharging a small amount of CO2
D. seeing if the seal has been broken
[单项选择]After using a C02 portable extinguisher，it should be（）.
A. put back in service if some C02 remains
B. hydrostatically tested
C. retagged
D. recharged
[单项选择]To determine if a C02 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
[单项选择]Which portable fire extinguisher is normally recharged in a shore facility?（）
A. Dry chemical (cartridge-operated)
B. Water (cartridge-operated)
C. Water (pump tank)
D. Carbon dioxide
[单项选择]You can determine that a C02 fire extinguisher is fully charged by（）.
A. looking at the gage
B. checking the nameplate data
C. weighing by hand
D. weighing on a properly calibrated scale
[单项选择]Which types of portable extinguisher should you watch for the reflash of the fire?（）
A. foam and water
B. CO2 and dry chemical
C. dry chemical and water
D. foam and CO2
[单项选择]A portable dry chemical fire extinguisher discharges by（）.
A. gravity when the extinguisher is turned upside down
B. pressure from a small CO2 cartridge on the extinguisher
C. air pressure from the hand pump attached to the extinguisher
D. pressure from the reaction when water is mixed with the chemical
[单项选择]Each hand portable fire extinguisher must be marked with（）.
A. the name of the vessel on which it is located
B. the date that it was installed
C. the names of the individuals qualified to use it
D. an identification number
[单项选择]Which portable fire extinguisher should be used on a class C fire on board a vessel?（）
A. Carbon dioxide
B. Water (stored pressure)
C. Foam
D. Carbon tetrachloride
[单项选择]Each hand portable fire extinguisher on a ship must be marked with（）.
A. the name of the unit on which it is located
B. the date that it was installed on the unit
C. the names of the individuals qualified to use it
D. an identification number different from other extinguishers on the unit
[单项选择]A portable foam fire extinguisher is placed in operation by（）
A. turning it upside down
B. pressing the foam lever
C. squeezing the grip handle
D. opening the hose valve
[单项选择]On a class B fire，which portable fire extinguisher would be the LEAST desirable?（）
A. Carbon dioxide
B. Water (stored pressure)
C. Dry chemical
D. Foam
[单项选择]A foam-type portable fire extinguisher would be most useful in combating a fire in（）.
A. solid materials such as wood or bales of fiber
B. flammable liquids
C. a piece of electrical equipment
D. combustible metallic solids
[单项选择]A foam-type portable fire extinguisher is most useful in fighting a fire in（）.
A. generators
B. oil drums
C. the bridge controls
D. combustible metals
