更多"（）should not be considered as compo"的相关试题:
[单项选择]The four basic components of a fire are chain reaction, heat, fuel, and （）.
A. carbon monoxide
B. oxygen
C. carbon dioxide
D. any gaseous substance
[单项选择]The four basic components of a fire are fuel, heat, oxygen and a chain reactionWhich of the following statements best describes what must be eliminated to extinguish a fire?（）
A. Any one component can be eliminated to extinguish a fire
B. Any two components must be eliminated to properly extinguish a fire
C. Any three components must be eliminated to properly extinguish a fire
D. Ali four components must be eliminated to extinguish any fire
[单项选择]When should a fire be ventilated?（）
A. When attacking the fire directly
B. When using a steam smothering system
C. When using the fixed CO2 system
D. All of the above
[单项选择]Which of the listed components is considered to separate the high pressure side of a refrigeration cycle from the low pressure side of the cycle?（）
A. The condenser and the expansion valve
B. The king valve and the solenoid valve
C. The compressor and the expansion valve
D. The condenser and the solenoid valve
[单项选择]Portable carbon dioxide fire extinguishers should be sent ashore to be recharged （）.
A. when the remaining charge volume is less than 90 percent of the required VOLUME
B. at each inspection for certification
C. at each annual inspection
D. when the weight loss exceeds 10% of weight of charge
[单项选择]Which of the listed classes of fire is considered as one involving electrical equipment?（）
A. Class "A"
B. Class "B"
C. Class "C"
D. Class "D"
[单项选择]A fire in an electrical generator is considered to be （）.
A. Class "A"
B. Class "B"
C. Class "C"
D. Class "D"
[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]A fire is considered "under control" when （）.
A. all hands are at their fire stations
B. all fire-fighting equipment is at the scene
C. the fixed systems are activated
D. the fire is contained and no longer spreading
[单项选择]A fire in electrical equipment should be extinguished by using（）.
A. salt water
B. foam
C. low-velocity fog
D. CO2
[单项选择]Control of fire should be addressed（）.
A. immediately after restoring vital services
B. immediately
C. following control of flooding
D. following establishment of fire boundaries
[单项选择]Halon extinguishers used on a class C fire should be directed at the（）.
A. base of the equipment
B. top of the equipment
C. power source
D. source of the fire
[单项选择]Portable CO2 fire extinguishers should NOT be used to inert a space containing flammable liquids due to the danger of（）.
A. the CO2 being inhaled by personnel
B. reflash of burning liquids
C. vapor condensation on the extinguisher
D. the discharge causing a static spark
[单项选择]Fire hose should be washed with（）.
A. salt water and a wire brush
B. caustic soap
C. mild soap and fresh water
D. a holystone
[单项选择]A class "D" fire would be considered as burning （）.
A. wood
B. oil
C. electrical equipment
D. magnesium
[单项选择]When fighting an electrical fire, you should first （）.
A. stop ventilation to the area
B. stop the vessel
C. secure electricity to the circuit
D. apply CO2 to the fire
[单项选择]A fire in a pile of linen is considered to be a class （）.
A. A fire
B. B fire
C. C fire
D. D fire
