更多"The spreading of fire as a result o"的相关试题:
[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]The heat generated by a fire will be transferred through a bulkhead or dock, as a result of （）.
A. conduction
B. radiation
C. convection
D. advection
[单项选择]Which fire extinguishing agent has the greatest capacity for absorbing heat?（）
A. Water
B. Foam
C. Dry chemical
D. Carbon Dioxide
[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 practical elements which should allow the trainees to acquire the ability to （）.
A. use self-contained breathing apparatus
B. use various types of portable fire extinguishers
C. effect a rescue in a smoke-filled space wearing breathing apparatus
D. All of the above
[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]When two fire hose teams are attacking a fire they should（）.
A. use different fire hose pressures
B. use fire hoses of different sizes
C. not attack the fire from opposite sides
D. not wear protective clothing
[单项选择]Fire dampers prevent the spread of fire by（）.
A. convection
B. conduction
C. radiation
D. direct contact
[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 sum of the sensible heat and the latent heat of any substance is known as （）.
A. total heat
B. residual heat
C. specific heat
D. superheat
[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]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
[多项选择]FIRE是指（）
A. 金融
B. 保险
C. 房地产
D. 投资
[单项选择]Fire hose couplings（）.
A. are made of bronze，brass，or soft alloy metals
B. should be painted red in order to identify hose lengths
C. are specially hardened to prevent crushing
D. should be greased frequently
