Question 1
Question
Which of the following statements about foam proportioning is MOST accurate?
Answer
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Most Class A foams are mixed in proportions of 3 to 6 percent.
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Most Class B foams are mixed in proportions of 1 percent or less.
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Mixing Class A foam at a higher recommended percentage results in a thick, dry foam.
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The percentage rate for proportioning foam is determined by the authority having jurisdiction.
Question 2
Question
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?
Answer
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Injection
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Eduction
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Premixing
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Batch-mixing
Question 3
Question
Which of the following statements about foam proportioners and delivery systems is MOST accurate?
Answer
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The foam proportioner adds air into the foam solution to produce finished foam.
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The foam proportioner and delivery system must be compatible to produce usable foam.
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Either a foam proportioner or a foam generating system is needed to produce a foam fire stream.
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The foam-generating system introduces the appropriate amount of foam concentrate into the water to form foam solution.
Question 4
Question
Which of the following statements about foam hazards is MOST accurate?
Answer
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Never flush foam concentrates from exposed skin.
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Some foam concentrates and their vapors may be harmful if inhaled.
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There is no need to flush or wash equipment that has been used to apply foam.
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Most Class A and Class B foams act to lubricate and preserve pumps, eductors, and other equipment.
Question 5
Question
**The deployment of a master stream device requires a minimum of:
Answer
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one firefighter.
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two firefighters.
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three firefighters.
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four firefighters.
Question 6
Question
**If a vehicle using ethanol or methanol is on fire, use only ___ to extinguish.
Answer
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water
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Class D fire extinguishers
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aqueous film forming foam
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Alcohol Resistant Class B foam
Question 7
Question
Which kind of ground cover fire is slow moving and smoldering?
Answer
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Crown fire
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Ladder fire
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Ground fire
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Surface fire
Question 8
Question
**Which kind of ground cover fire burns on the soil surface, consuming low-lying grass, shrubs, and other vegetation?
Answer
-
Crown fire
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Ladder fire
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Ground fire
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Surface fire
Question 9
Question
**Which of the following is a long narrow strip of fire extending from the main fire?
Question 10
Question
**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?
Question 11
Question
**What fireground role is defined as the one that works to locate and assist firefighters trapped during operations?
Question 12
Question
What fireground role should be two or more members wearing complete PPE and respiratory protection, with the purpose of locating firefighters incapacitated during operations?
Question 13
Question
Which of the following BEST describes the flash point of flammable liquids?
Answer
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Less than 100°F (38°C)
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Each varies, but it is never less than 50°F (10°C)
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Each varies, but it is always higher than 50°F (10°C)
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Greater than 100°F (38°C)
Question 14
Question
Where should apparatus be located at a Class B fire?
Answer
-
Upwind and downhill of the incident
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Upwind and uphill of the incident
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Downwind and downhill from the incident
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Downwind and uphill of the incident
Question 15
Question
**Water as a mechanical tool can move ___ to where they can burn safely.
Answer
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Class B fuels
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Class C fuels
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Class A fuels
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Class K fuels
Question 16
Question
Techniques for extinguishment at bulk transport vehicle fires are similar to fires in:
Question 17
Question
**Which of the following BEST describes a way to determine the nature of cargo at a bulk transport vehicle fire?
Answer
-
Estimate based on type of container
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Use past experience to predict
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Use bills of lading or placards
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Estimate using information from witnesses
Question 18
Question
Which of the following BEST describes approach and staging techniques used at flammable gas incidents?
Answer
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Approach from downwind and stage on upwind side
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Approach from upwind and stage on the downwind side
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Approach from and stage on the upwind side
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Approach from and stage on the downwind side
Question 19
Question
Which of the following BEST describes the process taken at flammable gas incidents if gas is burning?
Answer
-
Extinguish burning flame
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Use hose streams to protect exposures if needed
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Request mutual aid extrication teams
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Monitor, but do not shut off pressurized gas supply
Question 20
Question
**Control of all evidence must be maintained as part of the ___ required in legal cases.
Answer
-
area of origin
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chain of custody
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fire investigation
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collection of evidence
Question 21
Question
Which of the following may appear on floors and indicate where fuel burned in that location?
Answer
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Debris
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Charring
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Flashover
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Fire pattern
Question 22
Question
**Which of the following decides what evidence is collected?
Answer
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Fire chief
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Firefighter
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Fire investigator
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Insurance investigator
Question 23
Question
**Who has legal responsibility for determining origin and cause of a fire?
Answer
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Fire chief
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Firefighter
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Police officer
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Fire investigator
Question 24
Question
Responsibility for ___ can lie with state fire marshal, state police, or other state agency.
Answer
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fire cause
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investigation
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amount of loss
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insurance information
Question 25
Question
**Once the control of scene has been relinquished, personnel can only re-enter after:
Answer
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providing valid identification.
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securing permission from owner.
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speaking with the insurance investigator.
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logging in with the person granting access.