Questions Flashcards
The space between both handrails in a stairwell allows engine companies to achieve the maximum length of the hose is called?
Well hole
A step-by-step logical sequence that the decision maker uses to reach the best decision is called?
The classical decision-making method
This method is intuitive reaction to a problem?
The naturalistic decision making method
What are the two distinct methods to describe the human decision-making process?
The classical decision making method
Naturalistic decision making method
Actions are chosen quickly based on previous actions that successfully address those past situations this method is also known as?
Recognition primed decision making
RPDM
What are the three categories fire service training falls into?
Self study training
Company training
Multi-unit training
What is type 1 construction?
Fire resistive
What is type 2 construction?
Non-combustible
What is type 3 construction?
Ordinary
What is type 4 construction?
Heavy timber
What is type 5 construction?
Wood frame lightweight wood trust
What are some general items that should be considered when conducting a building walk thru?
Occupancy name and address Occupancy type (residential/commercial Construction type Contents Accessibility stairways,Knox box Fire hydrants Fire protection systems Fire alarm systems Utility shut off locations Building specifics such as: number of floors Roof access stairway Potential Target hazards Firefighter safety hazards Civilian safety hazards Unique problems encountered
What are the four components of the fire tetrahedron?
Oxygen
Heat
Fuel
Chain Reaction
The tendency of gases to form into layers according to temperatures is called?
Thermal layering
The layering of smoke and gas clouds is called what?
Stratification
As solid fuels are heated, combustible gases are driven from the substance- this process is known as?
Pyrolysis
What are the four fire growth stages?
The incipient stage
The growth stage
The fully developed stage
The decay stage
During the growth stage, fire develops and roll over is often seen in an adjacent compartment. This rollover should serve as a warning that the fire area may be reaching the point of?
Flashover
These consist of natural materials such as cotton, wicker, solid wood, and dimensional lumber?
Legacy
These are man-made materials such as plastic, synthetics, polyurethane, and polyester?
Modern
Defined as the amount of energy released over time?
HRR Heat Release Rate
The process of removing large amounts of smoke, fire gases, heat from the interior of a structure within the fire compartment?
Hydraulic ventilation
For hydraulic ventilation fill the window opening ________ percent and place the nozzle ______ feet from window?
80%
2 feet
What are the fire ground principles of smoke?
Smoke is potential fuel
Smoked density and color together and indicator of flammability
Velocity speed and pressure are indicators of heat and flow path
All of the above indicators form an incident profile regarding the location status and extend a fire
What does the acronym RECEOVS stand for?
Rescue,Exposure, Confinement, Extinguishment,Overhaul, Ventilation, Salvage
Size up and those provided on an ongoing basis and is included in? (7)
Pre-incident Pre arrival On scene report 360 lap or walk around Situation report Interior size up Ongoing size up
The first is the human’s body threshold for heat NFPA suggests that the upper range of temperature tenability for humans is around ______ °F
212
The second is carbon monoxide the primary cause of fire related death at approximately ________ ppm the human body is rendered unconscious within 4 to 12 seconds with death following shortly after?
200,000
The Earth’s atmosphere contains 21% oxygen. Percentages of less than _______ result in death rapidly?
10
Attacking with the master stream will only allow for _____ to ______ seconds of water without a supply depending on the nozzle and tank size?
60 to 90
The expansion of water to steam ratio for a fog nozzle is?
1:1,700 @ 212F
Mercury quick attack monitor has a reach of how many feet with the fog nozzle of 500 gpm?
185 feet
A medium fog pattern has a reach of how many feet with the Mercury quick attack monitor?
50 feet
Wide fog pattern has a reach of how many feet for mercury quick attack monitor?
25 ft
Setback + width of the building+ length of the building+ half length 25 ft per floor regardless of the floor reported+one length at the point of attack how you figure out
Estimating the stretch
A helpful mnemonic for 2 1/2 line selection is ADULTS which stands for?
Advanced fire conditions Defensive operations Unknown fire location Large open area Tons of water Standpipes
What are the attack methods?
Direct attack
Indirect attack
Combination attack
What is the nozzle reaction formula for a smooth bore nozzle?
1.57 x bore diameter squared x nozzle pressure
What is the nozzle reaction formula for a fog nozzle?
0.0505 x rated flow x square root of nozzle pressure
