Fireground tactics
What is a telltale sign of backdraft?
Smoke may appear yellow, brown, or dark due to incomplete combustion and high concentrations of unburnt pyrolysis products. High velocity air-intake is a classic visual indicator
What type of rope has no specific NFPA standard for maintenance?
a. dynamic
b. static
c. life safety rope
d. utility rope
D
What is an indicator to look for when identifying a downed ff?
Listening for PASS alarm activation
What is the purpose of lockout/tag out?
Includes electrical, mechanical, hydraulic, pneumatic, chemical, thermal, and other energy sources that could cause harm if a machine starts unexpectedly or stored energy is released while a worker is servicing it. It prevents it from being turned back on.
What is a class A and B fire?
Class A- solid combustibles such as wood, paper, and cloth
Class B- flammable liquids like gasoline, oil, solvents, and paints
What is considered one of the most difficult and dangerous compartment fires a crew can encounter?
basement fires
What is a consideration when using rope over a wall or edge?
Using some type of edge protection or edge roller
How can apparatus help you in transportation incidents?
Based on TIMS, Using the position of the apparatus to provide protection
What is an EBSS?
Emergency escape breathing support system. Allows the sharing of cylinders
What technically comes before life safety, incident stabilization, and property conservation?
Scene Safety
What are elements of a flashover?
rapid transition, simultaneous ignition of fuels, and radiant heat flux in a compartment
What must be ensured before a rope can be cleared to reuse in life safety applications?
No exposure to any shock or impact loads
What is a flash point?
What is a fire point?
Flash point- the minimum temperature at which a liquid produces sufficient vapors to ignite
Fire point- minimum temperature at which its vapors will continue to burn for at least five seconds after being ignited by an open flame
Why do complete annual SCBA facepiece fit tests?
To ensure we maintain a complete face seal
What are you to never take off while riding inside of the cab of an apparatus?
Your seatbelt, for any reason.
Operations conducted after the main body of the fire has been extinguished, including searching for hidden fires?
Overhaul operations
What is kernmantle rope used for
life safety
What decon is used for responders?
Technical Decon
In what zone is decon?
In what zone is staging and rehab?
Warm zone
Cold zone
What area of your body tends to absorb more and requires more attention when deconing?
Groin, neck, jaw, back
What are the two products of combustion in a structure fire?
Carbon Monoxide (CO) and Hydrogen Cyanide (HCN)
When conditions have deteriorated and you must find a safe haven, what is a safety guideline to follow?
Keep in contact with the wall or hoseline at all times
True or False: Once contaminants have been removed from PPE, You should put them back in the cab of the truck.
False. PPE should be bagged during transport to avoid cross contamination
What does carbon monoxide do to the human body?
Combines to your hemoglobin 200 times more than oxygen, acting as a chemical asphyxiant
Which is better for asbestos particles, an APR or just goggles?
APR because it will filter particulates