更多"The spread of fire is prevented by（"的相关试题:
[单项选择]The spread of fire is NOT prevented by（）.
A. shutting off the oxygen supply
B. cooling surfaces adjacent to the fire
C. removing combustibles from the endangered area
D. removing smoke and toxic gases by ensuring adequate ventilation
[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]Radiation can spread a fire by （）.
A. transmitting the heat of a fire through the ship s metal
B. burning liquids flowing into another space
C. heated gases flowing through ventilation systems
D. the transfer of heat across an unobstructed space
[单项选择]To prevent the spread of fire by conduction you should（）.
A. cool the bulkheads around the fire
B. remove combustibles from direct exposure
C. close all openings to the area
D. shut off all electric power
[单项选择]To prevent the spread of fire by convection you should （）.
A. remove combustibiles from direct exposure
B. cool the bulkhead around the fire
C. close all openings to the area
D. shut off electrical power
[单项选择]To prevent the spread of fire by conduction, you should （）.
A. cool the bulkheads around the fire
B. remove combustibles from direct exposure
C. close all openings to the area
D. shut off all electric power
[单项选择]Fire may ba spread by which means?（）.
A. Conduction of heat to adjacent surfaces
B. Direct radiation
C. Convection
D. All of the above
[单项选择]Fire may be spread by which means?（）.
A. Conduction of heat to adjacent surfaces
B. Direct radiation
C. Convection
D. All of the above
[单项选择]A fire may be spread by which of the following means?（）
A. Conduction of heat to adjacent surfaces
B. Direct radiation
C. Convection
D. All of the above
[单项选择]The storm prevented me（）.
A. to go out
B. to going out
C. from being out
D. from going out
[单项选择]Oxygen corrosion in auxiliary boilers is prevented by treating the boiler feed tank with either sodium （）
A. sulfite or hydrazine
B. sulfite or hygroscopic sulfite
C. bromide or hydrazine
D. bromide or hygroscopic sulfite
[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]Anchors are prevented from running out when secured by the（）.
A. brake
B. devil's claw
C. pawls
D. All of the above
[单项选择]Rudder motion is prevented from exceeding the movement of the steering wheel by the（）
A. return springs
B. six-way valve
C. follow-up gear
D. differential gear
