CHAPTER 1
Prevent the duplication of effort
Why is the division of labor necessary in the fire service?
nonemergency
Calls received at fire department facilities that range from requests for assistance to personal calls from family or friends are known as _____ calls.
mass of the heavy timber structural members.
Type IV buildings are resistant to structural collapse because of the
Chemical chain reaction
Which element of the fire tetrahedron is included to explain flaming (gas-phase) combustion
high enough to protect the lower leg.
Fire fighting boots must be
Class A
How would a fire containing plastics be classified?
BATTALION
WHAT ARE MULTIPLE FIRE COMPANIES WITHIN A RESPONSE ARE WHOSE DAY TO DAY FUNCTIONS ARE OVERSEEN BY THE OPERATIONS DIVISION CALLED
Two-way radio system
Which type of communications center equipment would be used for communications at an emergency scene
the protection provided by the fire wall is reduced or eliminated.
When an unprotected opening for pipes or wiring is made through a fire wall,:
flash point.
The minimum temperature at which a liquid gives off sufficient vapors to ignite, but not sustain combustion, is its:
Routine cleaning
Which type of cleaning can be done at an incident scene by brushing off loose debris and rinsing the PPE?
example of a Class D fuel.
Magnesium
Rescue company
type of specialized fire company generally has the primary duty of searching for victims and removing them from areas of danger or entrapment
transmitted to the responding units or personnel.
Once an emergency has been reported, the information must be
Fall hazard
Which type of danger do stairs present to firefighters during low-visibility conditions
oxygen-enriched
Materials that burn at normal oxygen levels will burn more intensely in _____ atmospheres.
It should be removed from service and destroyed.
What should be done if an article of protective clothing is damaged beyond repair
cooking oils.
Class K fires involve:
Fire department incident safety officer
Which type of fire officer is directly in charge of monitoring operational safety at fires and other emergencies?
Electronic
Which type of alarm consists of scrolling message boards and pagers
accelerate structural failure due to the increased dead load
Under fire conditions, a green roof can
Flashover
Which type of phenomenon occurs when the fire rapidly transitions from the growth stage to the fully developed stage?
asphyxiation
SCBA can help protect from _____, which can be caused by inhaling heated gases.
gasoline, oil, grease, and flammable gases
WHAT IS CLASS B
Procedure
What is a detailed written plan that lists specific steps for approaching a recurring problem or situation?
to send personal messages
Fire department radio channels should NOT be used
pose a significant trip and electrical hazard to firefighters working on the roof.
The presence of photovoltaic roofs must be identified during preincident planning because they:
The volume of burning gases can increase to fill the room's entire volume and extend out of any openings from the room
What occurs during flashover
Bypass valve
Which SCBA component controls air flow from the cylinder when the regulator fails?
electrical equipment, such as appliances, wiring, circuit breakers and outlets
WHAT IS CLASS C
Conducting search and rescue operations as part of a team
Which duty would likely be assigned to a Fire Fighter I
intrinsically safe.
Communications equipment that is to be used in flammable atmospheres must be
Fire Resistive. Structural elements are entirely of noncombustible or limited combustible materials
WHAT IS TYPE 1
The floor plan and openings within the structure
What factor helps determine the flow path in a structure fire?
The lowest number reading
If the pressure reading on the remote pressure gauge does not match the reading on the regulator gauge, which reading should be assumed correct?
Clean agent
extinguisher should be used in areas with highly sensitive computer equipment because it will cause less damage to the equipment than other extinguishers
A process for evaluating firefighter skills and knowledge
What does NFPA 1500 require to be part of fire department training programs?
near the limit of the transmission range.
Static and broken messages are an indication that a radio receiver is
Noncombustible / Limited Combustible
WHAT IS TYPE 2
Firefighters advancing a hoseline through an open door or ventilating windows to make entry into a building
What will establish new flow paths between the fire compartment and exterior vents of the building?
placed on the ground with all of the straps extended.
When donning an unmounted SCBA, the SCBA unit should be:
Interrupts the chemical chain reaction in the burning process
How does chemical flame inhibition work to extinguish fire
walk facing oncoming traffic.
One way that firefighters can maintain situational awareness at highway/roadway incidents is to:
units or individuals must identify themselves in every transmission.
Everyone at an emergency scene should follow two basic communications rules, the first of which is
Ordinary
WHAT IS TYPE 3
feel the increase in temperature as the velocity and/or turbulence increases.
Firefighters working in the exhaust portion of the flow path will:
washed with warm water and a mild disinfectant.
After each use, the SCBA facepiece should be:
the class of fuel that is burning.
When selecting the appropriate type of portable fire extinguisher to use for a situation, it is important to consider:
Fuel spill
Which highway/roadway incident hazard would require firefighters in full PPE to stand by with a charged hoseline?
Do not transmit until the frequency is clear
Which is a radio communications best practice
Heavy Timber
WHAT IS TYPE 4
chemical flame inhibition.
Using extinguishing agents other than water and foam to interrupt the combustion reaction is referred to as:
exit indicators.
Situations or events that signal the need for exit are called:
Fuel spill fire at a vehicle accident
In which situation would a dry chemical extinguisher be MOST effective?
Contact the electric company to shut off power
What should be the first priority of firefighters when there are downed high-voltage power lines?
place the microphone against your throat if you cannot be understood through your SCBA facepiece.
To improve your ability to hear and be heard at an emergency incident:
Wood Frame
WHAT IS TYPE 5
Combustible interior finishes and furnishings
In addition to structural members, what can be a significant factor influencing fire spread and loss of lives in fires?
Slows breathing and extends the time it takes to deplete air in the SCBA cylinder
How do controlled breathing techniques benefit firefighters?
Aqueous film forming foam (AFFF) extinguisher
Which extinguisher would be effective for use on a burning puddle of gasoline at a vehicle incident