更多"This fire extinguisher is to be use"的相关试题:
[单项选择]This fire extinguisher is to be used only in case of（）
A. urgency
B. crisis
C. immediacy
D. emergency
[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]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 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]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]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]A carbon dioxide fire extinguisher has been partially discharged, and should be immediately （）.
A. tagged and restowed properly in its rack
B. weighed and the charge loss recorded
C. given to the chief engineer for recharging
D. tagged "empty" and stowed separately from charged extinguishers
[单项选择]The type of extinguisher which should be used for an electricity fire is（）.
A. foam or soda acid
B. dry chemical or foam
C. carbon dioxide or dry chemical
D. carbon dioxide or foam
[单项选择]When must a dry chemical fire extinguisher be recharged?（）
A. After each use
B. When the air temperature exceeds 90°F
C. Every 6 months
D. Every 12 months
[单项选择]An ABC dry chemical fire extinguisher would be LEAST effective against a fire in（）.
A. a mattress
B. spilled liquids such as oil or paint
C. high voltage electrical gear
D. a trash can
[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]An ABC dry chemical fire extinguisher would be least effective against a fire in（）.
A. a mattress
B. spilled liquids such as oil or paint
C. high voltage electrical gear
D. a trash can
[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]A foam-type portable fire extinguisher would be most useful in combating a fire in（）.
A. soild 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
