更多"A fire in a pile of linen is consid"的相关试题:
[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]（）should not be considered as components as fire installations.
A. fire pumps
B. fire mains
C. hydrants and hoses
D. closing appliances which are kept permanently closed at sea
[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]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 class "D" fire would be considered as burning （）.
A. wood
B. oil
C. electrical equipment
D. magnesium
[单项选择]A fire involving trash and paper waste would be classified as a （）.
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 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]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
