更多"The fire of electrical equipment is"的相关试题:
[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]When electrical equipment is involved in a fire，the stream of dry chemicals should be（）.
A. aimed at the source of the flames
B. fogged above the equipment
C. shot off a flat surface onto the flames
D. used to shield against electrical shock
[名词解释]电气设备（electrical equipment）
[单项选择]Before doing maintenance on electrical equipment, you should （）.
A. turn off power first
B. turn on power first
C. with a test pen in hand
D. tell C/E
[单项选择]The fire of sodium is classified as（） fire.
A. Class A
B. Class B
C. Class C
D. Class D
[单项选择]The fire of burning paper is classified as（）fire.
A. Class A
B. Class B
C. Class C
D. Class D
[单项选择]The fire of fuel oil is classified as（） fire.
A. Class A
B. Class B
C. Class C
D. Class D
[单项选择]An important step in fighting any electrical fire is to（）.
A. stop ventilation
B. stop the vessel
C. de-energize the circuit
D. apply water to extinguish the fire
[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]To extinguish an electrical fire, you should use （）.
A. mechanical foam
B. chemical foam
C. carbon dioxide
D. soda acid
[单项选择]Fire fighting equipment requirements for a particular vessel may be found on the（）.
A. 4Certificate of Inspection
B. Certificate of Seaworthiness
C. Classification Certificate
D. Certificate of Registry
[单项选择]The fire of burning plastics is classified as （） fire.
A. Class A
B. Class B
C. Class C
D. Class D
[单项选择]A fire in a pile of dunnage would be classified as a （）.
A. class A
B. class B
C. class C
D. class D
[单项选择]A fire in a pile of canvas would be classified as a （）.
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]Fire dampers prevent the fire spreading through the process of （）.
A. convection
B. conduction
C. radiation
D. direct contact
[单项选择]A fire main system must have enough fire hydrants so that each accessible space may be sprayed with（）.
A. a low velocity spray applicator
B. a water spray or solid stream
C. at least two spray patterns of water
D. at least 25 psi delivered pressure
[单项选择]The basic training in fire prevention and fire fighting should include the theoretical elements which should cover （）.
A. the three elements of fire and explosion
B. lower and upper flammable limits
C. classification of flies and applicable extinguishing agents
D. All of the above
