更多"A fifteen-pound CO2 extinguisher（）."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]If a CO2 fire extinguisher is not readily available, which of the listed fire extinguishers would be best suited to combat a small electrical fire in a switchboard?（）
A. Dry chemical
B. Halon
C. Low velocity fog
D. Steam
[单项选择]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
[单项选择]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]A “fifteen-pound” CO2 extinguisher is so called because（）.
A. there are fifteen pounds of CO2 in the container
B. the container，when full，weighs fifteen pounds
C. the pressure at the discharge nozzle is l5 psi
D. the empty container weighs fifteen pounds
[单项选择]A CO2 extinguisher on a ship which has lost 10% of its charge must be（）.
A. used at the earliest opportunity
B. hydro-tested
C. recharged
D. weighed again in one month
[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]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]Inspection of a Halon extinguisher involves checking the hose，handle，nozzle，and（）.
A. sight glass
B. weighing the extinguisher
C. service technicians report
D. last date it was charged
[填空题]CO2气体保护焊分为（）CO2气体保护焊和（）CO2气体保护焊两种。
[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]A carbon dioxide fire extinguisher should be recharged（）.
A. at least annually
B. whenever it is below its required weight
C. only if the extinguisher has been used
D. before every safety inspection
[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
