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42 Cards in this Set
- Front
- Back
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List three parts that make up foam |
Air Foam concentrate Water |
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Explain how the following effects extinguish a fire: Cooling effect |
Cools the heat |
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Explain separating effect |
separates the combustion zone from the ambient air |
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Explain cover effect |
Foam cover stops any further gas evaporation from burning materials |
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Explain suppression effect |
suppress the atmospheric oxygen and flammable gases that are necessary for the combustion zone |
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Explain insulation effect |
insulates flammable material that has not yet caught fire |
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What are the two classes of foam and briefly explain where you would use them |
Class A Vegetation fire
Class B Petrol fires |
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Explain method of Rolling |
You aim before the fire and it starts to roll over it |
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Explain deflection |
You hit an obstruction/object above the fire and it deflects off it and on to the fire |
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Explain floating |
Creating a blanket over the fire wall |
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List 5 things you need to consider when using foam |
A.U.C.T.Y Avoid skin contact Use it to the manufacturers instructions Correct PPE to be worn Test foam consistency before applying on fire You have enough foam
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List 3 reasons why you should avoid walking through a foam blanket |
Hidden obstruction Slippery surface May re ignite fire if the foam blanket is broken |
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List 5 things you need to keep in mind when lifting portable pumps |
H.E.A.K.U. Hold pump firmly, keeping your arms close to your body Ensure you have enough man power Avoid twisting when lifting Keep load level and balanced Use leg muscles not back
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Explain control hazards when using the pump Hot exhaust |
Ensure adequate safety guarding and have fire extinguisher ready |
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Explain control hazards when using the pump Fuel spillage |
Follow correct procedures for refuelling hot engines |
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Explain control hazards when using the pump Excessive noise |
Use hearing protection |
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Explain control hazards when using the pump Exhaust fumes |
Operate pumps in well ventilated areas |
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Explain control hazards when using the pump Drowning |
Take care near deep water |
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Explain control hazards when using the pump Engine seizure |
Keep pump level when operating on a slope to ensure adequate oil feed to engine |
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Explain prime |
Remove air from pump to ensure pump and suction hoses get maximum water flowing through |
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Explain draught |
Negative pressure drawing water from open water supply |
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Explain ground monitor |
Piece of waterway equipment that can deliver a great amount of water and can be usually left alone |
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Explain portable dam |
A dam created to hold water |
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Explain suction hose |
Equipment used to draw the water out of an open water supply into the portable pump (negative pressure) |
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Explain static water supply |
water collected and stored in reservoirs, tanks, etc |
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Explain what ejector pump is |
Simple pump easy to set up and use |
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Name two types of ejector pump and briefly explain the set up |
B type One 70mm hose in and one 70mm hose out
Water Dragon 38mm double jacket hose in and two 90mm hose out |
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What can fire blanket be used for |
Pot fires |
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What is the main limitation of a fire blanket |
You have to get close to the fire |
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Class for fuel types |
Class for fuel type |
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Explain flashpoint |
When it ignites but does not continue to burn |
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Explain ignition temperature |
Fuel reaches a certain temperature and ignites |
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Explain spontaneous combustion |
Chemical reaction between 2 material which can self heat |
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Explain miscibility |
Ability of 2 liquids to mix |
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Explain combustion |
The process of burning |
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Explain what the Lower Flammable limit is |
The lower concentration of vapour or gas in the air that will support combustion |
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Explain combustion |
The process of burning |
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Explain what the Lower Flammable limit is |
The lower concentration of vapour or gas in the air that will support combustion |
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Explain what the upper flammable ls |
The upper concentration of vapour or gas in the air that will support combustion |
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Explain how to interrupt the chemical chain reaction and give an example of how to do it |
Interrupt the chemical reaction you need to remove one of the three elements AIR HEAT FUEL
Remove Heat by cooling the fire with water |
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Identify knots used to take delivery aloft |
Top Round turn 2 half hitches
Preformed clove hitch |
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Explain why dividing breeching needs to used when taking delivery aloft |
To release pressure |
