更多"When fighting a spreading fire resu"的相关试题:
[单项选择]When fighting a fire with a portable dry chemical fire extinguisher，the stream should be directed（）.
A. over the top of the flames
B. off a bulkhead into the fire
C. in front of the fire
D. at the base of the fire
[单项选择]When fighting a fire on a bulkhead using a portable carbon dioxide extinguisher，the stream should be directed at the（）.
A. base of the flames，moving the horn from side to side，following the flames upward as they diminish
B. top of the flaming area，moving the horn from side to side，following the flames downward as they diminish
C. center of the flaming area，moving the horn vertically from top to bottom
D. bottom of the flaming area，moving the horn vertically to the top following the flames upward as they diminish
[单项选择]When fighting a fire in an enclosed space，the hose team should crouch as low as possible to（）.
A. protect themselves from smoke
B. obtain the best available air
C. allow the heat and steam to pass overhead
D. All of the above
[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]Fighting a fire in the galley poses the additional threat of（）.
A. contaminating food with extinguishing agent
B. spreading through the engineering space
C. loss of stability
D. a grease fire in the ventilation system
[单项选择]What is best suited for fighting a fire in a ballast control room?（）
A. Automatic sprinkler system
B. Steam smothering system
C. Dry chemical system
D. Carbon dioxide system
[单项选择]The FIRST course of action in fighting a fire in a cargo or fuel oil tank is to （）.
A. secure all openings to the tank
B. discharge an initial charge of CO2 with a hand portable extinguisher
C. direct a fire hose into the tank and energize the fire main
D. spray the tank boundaries with a fire hose to promote cooling
[单项选择]If you are fighting a fire below the main deck of your vessel，which action is most importantconcerning the stability of the vessel? （）
A. Shutting off electricity to damaged cables
B. Pumping fire-fighting water overboard
C. Maneuvering the vessel so the fire is on the lee side
D. Removing burned debris from the cargo hold
[单项选择]In fighting a fire in a fuel tank, the FIRST action you should attempt is to （）.
A. secure all sources of fresh air to the tank
B. begin transferring the fuel to other tanks
C. top off the tank to force out all vapors
D. station someone at the fixed CO2 release controls
[单项选择]When approaching a fire from win ward, you should shield firefighters from the fire by using（）
A. low-velocity fog
B. high-velocity fog
C. a straight stream of water
D. foam spray
[单项选择]When fighting an oil or gasoline fire in the bilge，which of the following should NOT be used?（）
A. Foam
B. Solid stream water nozzle
C. All-purpose nozzle
D. Carbon dioxide
[单项选择]When fire pumps are used for other than firefighting service，each pipe connecting the other service (except for branch lines used for deck washing) must have a（）.
A. check valve installed in the line
B. shut off valve at a manifold near the pump
C. quick disconnect union within ten feet of the pump
D. regulator in the line set at 125 psi
[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]Fighting a rig fire in a watertight compartment with hoses could reduce the stability of the rig by（）.
A. progressive downflooding
B. reducing the level of drill water from the storage tanks
C. causing a list due to the water in the compartment
D. reducing the KG to minimum allowable
[单项选择]Fighting a rig fire in the ballast pumproom with hoses would adversely affect the stability of the rig most by（）.
A. increasing the permeability of the pumproom
B. reduction of drill water from the storage tanks
C. a list caused by water filling the compartment
D. a reduced KG caused by water filling the compartment
[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 fighting equipment requirements for a particular vessel may be found on the（）.
A. Certificate of Inspection
B. Certificate of Seaworthiness
C. Classification Certificate
D. Certificate of Registry
