18484176
Pregunta 1
Pregunta
Which of the following statements about foam proportioning is MOST accurate?
Respuesta
-
Most Class A foams are mixed in proportions of 3 to 6 percent.
-
Most Class B foams are mixed in proportions of 1 percent or less.
-
Mixing Class A foam at a higher recommended percentage results in a thick, dry foam.
-
The percentage rate for proportioning foam is determined by the authority having jurisdiction.
Pregunta 2
Pregunta
Which of the following proportioning methods depends on the Venturi Principle to draw foam through a hose connected to the foam concentrate container and into the water stream?
Respuesta
-
Injection
-
Eduction
-
Premixing
-
Batch-mixing
Pregunta 3
Pregunta
Which of the following statements about foam proportioners and delivery systems is MOST accurate?
Respuesta
-
The foam proportioner adds air into the foam solution to produce finished foam.
-
The foam proportioner and delivery system must be compatible to produce usable foam.
-
Either a foam proportioner or a foam generating system is needed to produce a foam fire stream.
-
The foam-generating system introduces the appropriate amount of foam concentrate into the water to form foam solution.
Pregunta 4
Pregunta
Which of the following statements about foam hazards is MOST accurate?
Respuesta
-
Never flush foam concentrates from exposed skin.
-
Some foam concentrates and their vapors may be harmful if inhaled.
-
There is no need to flush or wash equipment that has been used to apply foam.
-
Most Class A and Class B foams act to lubricate and preserve pumps, eductors, and other equipment.
Pregunta 5
Pregunta
**The deployment of a master stream device requires a minimum of:
Respuesta
-
one firefighter.
-
two firefighters.
-
three firefighters.
-
four firefighters.
Pregunta 6
Pregunta
**If a vehicle using ethanol or methanol is on fire, use only ___ to extinguish.
Respuesta
-
water
-
Class D fire extinguishers
-
aqueous film forming foam
-
Alcohol Resistant Class B foam
Pregunta 7
Pregunta
Which kind of ground cover fire is slow moving and smoldering?
Respuesta
-
Crown fire
-
Ladder fire
-
Ground fire
-
Surface fire
Pregunta 8
Pregunta
**Which kind of ground cover fire burns on the soil surface, consuming low-lying grass, shrubs, and other vegetation?
Respuesta
-
Crown fire
-
Ladder fire
-
Ground fire
-
Surface fire
Pregunta 9
Pregunta
**Which of the following is a long narrow strip of fire extending from the main fire?
Respuesta
-
Head
-
Flank
-
Island
-
Finger
Pregunta 10
Pregunta
**What rule can be amended if a life safety hazard to a victim that can be saved without undue risk to firefighters is present on scene?
Respuesta
-
SAR rule
-
SCBA rule
-
Two-in, two-out rule
-
Situational awareness rule
Pregunta 11
Pregunta
**What fireground role is defined as the one that works to locate and assist firefighters trapped during operations?
Respuesta
-
Fireground support company
-
Rapid intervention crew/team
-
Second-arriving company
-
Incident Commander
Pregunta 12
Pregunta
What fireground role should be two or more members wearing complete PPE and respiratory protection, with the purpose of locating firefighters incapacitated during operations?
Respuesta
-
Incident Commander
-
Rapid intervention crew/team
-
Second-arriving company
-
Fireground support company
Pregunta 13
Pregunta
Which of the following BEST describes the flash point of flammable liquids?
Respuesta
-
Less than 100°F (38°C)
-
Each varies, but it is never less than 50°F (10°C)
-
Each varies, but it is always higher than 50°F (10°C)
-
Greater than 100°F (38°C)
Pregunta 14
Pregunta
Where should apparatus be located at a Class B fire?
Respuesta
-
Upwind and downhill of the incident
-
Upwind and uphill of the incident
-
Downwind and downhill from the incident
-
Downwind and uphill of the incident
Pregunta 15
Pregunta
**Water as a mechanical tool can move ___ to where they can burn safely.
Respuesta
-
Class B fuels
-
Class C fuels
-
Class A fuels
-
Class K fuels
Pregunta 16
Pregunta
Techniques for extinguishment at bulk transport vehicle fires are similar to fires in:
Respuesta
-
high-rise structures.
-
residential occupancies.
-
underground tunnels.
-
flammable fuel storage facilities.
Pregunta 17
Pregunta
**Which of the following BEST describes a way to determine the nature of cargo at a bulk transport vehicle fire?
Respuesta
-
Estimate based on type of container
-
Use past experience to predict
-
Use bills of lading or placards
-
Estimate using information from witnesses
Pregunta 18
Pregunta
Which of the following BEST describes approach and staging techniques used at flammable gas incidents?
Respuesta
-
Approach from downwind and stage on upwind side
-
Approach from upwind and stage on the downwind side
-
Approach from and stage on the upwind side
-
Approach from and stage on the downwind side
Pregunta 19
Pregunta
Which of the following BEST describes the process taken at flammable gas incidents if gas is burning?
Respuesta
-
Extinguish burning flame
-
Use hose streams to protect exposures if needed
-
Request mutual aid extrication teams
-
Monitor, but do not shut off pressurized gas supply
Pregunta 20
Pregunta
**Control of all evidence must be maintained as part of the ___ required in legal cases.
Respuesta
-
area of origin
-
chain of custody
-
fire investigation
-
collection of evidence
Pregunta 21
Pregunta
Which of the following may appear on floors and indicate where fuel burned in that location?
Respuesta
-
Debris
-
Charring
-
Flashover
-
Fire pattern
Pregunta 22
Pregunta
**Which of the following decides what evidence is collected?
Respuesta
-
Fire chief
-
Firefighter
-
Fire investigator
-
Insurance investigator
Pregunta 23
Pregunta
**Who has legal responsibility for determining origin and cause of a fire?
Respuesta
-
Fire chief
-
Firefighter
-
Police officer
-
Fire investigator
Pregunta 24
Pregunta
Responsibility for ___ can lie with state fire marshal, state police, or other state agency.
Respuesta
-
fire cause
-
investigation
-
amount of loss
-
insurance information
Pregunta 25
Pregunta
**Once the control of scene has been relinquished, personnel can only re-enter after:
Respuesta
-
providing valid identification.
-
securing permission from owner.
-
speaking with the insurance investigator.
-
logging in with the person granting access.
¿Quieres crear tus propios Tests gratis con GoConqr? Más información.