IFSTA 7 FIREFIGHTER 2 ANSWERS AND QUESTIONS
SET A+
✔✔what do you inspect electrical cords for? - ✔✔frayed wiring or missing prongs
✔✔what do you use to wipe grease and oil from generators? - ✔✔a clean rag
✔✔who is informed of something is wrong with equipment? - ✔✔your supervisor
✔✔foam concentrate - ✔✔raw foam liquid in its storage container
✔✔foam proportioner - ✔✔device that introduces foam concentrate into the water
stream
✔✔foam solution - ✔✔mixture of foam concentrate and water before the introduction of
air
✔✔Finished Foam - ✔✔Completed product after air is introduced into the foam solution.
✔✔what is class A foam commonly used for? - ✔✔wildland and structural firefighting
✔✔batch mixing - ✔✔difficult process that requires thorough clean up of vehicle tank,
pump, and hoselines
✔✔bank down method - ✔✔stream is directed onto the object and allowed to run down
onto the fuel
✔✔rain down method - ✔✔direct stream above fire and allow the foam to float gently
down onto the surface of the fuel
✔✔what are flammable liquids flash point? - ✔✔less than 100f
✔✔what are combustible liquids flash point? - ✔✔more than 100f
, ✔✔B.L.E.V.E. - ✔✔boiling liquid expanding vapor explosion
✔✔B.L.E.V.E. definition - ✔✔when pressure vessels or cylinders are heated by direct
flame contact, they can rupture and suddenly release their contents
✔✔what Is a flammable gas cylinder? - ✔✔vessel used to store pressurized gases
✔✔what 4 things will gas cylinders usually have? - ✔✔1 relief valve
2 filler valve
3 shut off valve
4 percent gauge
✔✔when will personnel retreat to the evacuation area? - ✔✔1 flame intensity from the
relief valve increases
2 sound from escaping vapors increases
3 IC or safety officers says so
✔✔what stream do you approach a gas cylinder with? - ✔✔widening protective streams
✔✔where do you approach a gas cylinder from? - ✔✔45 angle
✔✔what do you not extinguish on a gas cylinder? - ✔✔fire from the relief valve
✔✔what do you do if you extinguish the fire from the relief valve? - ✔✔use a 100gpm
fog stream to disperse a cloud of unburned gas
✔✔how do you shut off a gas supply in a underground pipe break? - ✔✔shut the valve
at the tank
✔✔fire statistics collected by _______ show more than_________ of all fire deaths
occur where? - ✔✔NFPA
92%
Residential structures
✔✔5 common causes of residential fires - ✔✔1 overloaded extension cords
2 exposed electrical wiring
3 I proper use/storage of flammable liquids
4 poor housekeeping
5 unattended candles
✔✔known to unknown - ✔✔begin with information an audience of familiar with before
moving to unfamiliar material
SET A+
✔✔what do you inspect electrical cords for? - ✔✔frayed wiring or missing prongs
✔✔what do you use to wipe grease and oil from generators? - ✔✔a clean rag
✔✔who is informed of something is wrong with equipment? - ✔✔your supervisor
✔✔foam concentrate - ✔✔raw foam liquid in its storage container
✔✔foam proportioner - ✔✔device that introduces foam concentrate into the water
stream
✔✔foam solution - ✔✔mixture of foam concentrate and water before the introduction of
air
✔✔Finished Foam - ✔✔Completed product after air is introduced into the foam solution.
✔✔what is class A foam commonly used for? - ✔✔wildland and structural firefighting
✔✔batch mixing - ✔✔difficult process that requires thorough clean up of vehicle tank,
pump, and hoselines
✔✔bank down method - ✔✔stream is directed onto the object and allowed to run down
onto the fuel
✔✔rain down method - ✔✔direct stream above fire and allow the foam to float gently
down onto the surface of the fuel
✔✔what are flammable liquids flash point? - ✔✔less than 100f
✔✔what are combustible liquids flash point? - ✔✔more than 100f
, ✔✔B.L.E.V.E. - ✔✔boiling liquid expanding vapor explosion
✔✔B.L.E.V.E. definition - ✔✔when pressure vessels or cylinders are heated by direct
flame contact, they can rupture and suddenly release their contents
✔✔what Is a flammable gas cylinder? - ✔✔vessel used to store pressurized gases
✔✔what 4 things will gas cylinders usually have? - ✔✔1 relief valve
2 filler valve
3 shut off valve
4 percent gauge
✔✔when will personnel retreat to the evacuation area? - ✔✔1 flame intensity from the
relief valve increases
2 sound from escaping vapors increases
3 IC or safety officers says so
✔✔what stream do you approach a gas cylinder with? - ✔✔widening protective streams
✔✔where do you approach a gas cylinder from? - ✔✔45 angle
✔✔what do you not extinguish on a gas cylinder? - ✔✔fire from the relief valve
✔✔what do you do if you extinguish the fire from the relief valve? - ✔✔use a 100gpm
fog stream to disperse a cloud of unburned gas
✔✔how do you shut off a gas supply in a underground pipe break? - ✔✔shut the valve
at the tank
✔✔fire statistics collected by _______ show more than_________ of all fire deaths
occur where? - ✔✔NFPA
92%
Residential structures
✔✔5 common causes of residential fires - ✔✔1 overloaded extension cords
2 exposed electrical wiring
3 I proper use/storage of flammable liquids
4 poor housekeeping
5 unattended candles
✔✔known to unknown - ✔✔begin with information an audience of familiar with before
moving to unfamiliar material
