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40 Cards in this Set
- Front
- Back
What colour is a water extinguisher? |
Red |
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How much water is in a water extinguisher? |
9 ltrs |
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What class of fire is a water extinguisher used for? |
Class A (cooling) |
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What is a water extinguisher made from? |
Welded stainless steel. |
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What is a water extinguisher pressurised with and what is the kPa? |
Pressurised with air or inert gas to 700kpa |
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What is the operation of all extinguishers? |
P.A.S.S Pull pin Aim Squeeze Sweep |
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What is the discharge time and range for a water extinguisher? |
1 minute 6m |
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What is required for maintenance of a water extinguisher? |
Check condition (visual inspection), locking pin, test date and cylinder pressure. (700 kPa) |
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What safety considerations are there when using a water extinguisher? |
PPE |
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What colour is a Co2 extinguisher? |
Red with black stripe. |
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What colour is a Co2 extinguisher? |
Red with black stripe. |
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What classes of fire is a Co2 extinguisher used for? |
Class B and E fires. (Also has limited applications for class A fires.) |
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What classes of fire is a Co2 extinguisher used for? |
Class B and E fires. (Also has limited applications for class A fires.) |
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What is a Co2 extinguisher made from? |
Drawn steel |
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What classes of fire is a Co2 extinguisher used for? |
Class B and E fires. (Also has limited applications for class A fires.) |
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What is a Co2 extinguisher made from? |
Drawn steel |
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What is inside a Co2 extinguisher? |
Co2 gas in liquid form. |
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What classes of fire is a Co2 extinguisher used for? |
Class B and E fires. (Smothering- displace oxygen) (Also has limited applications for class A fires.) |
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What is a foam extinguisher pressurised with and what is the kPa? |
Pressurised with air. 700kpa |
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What is inside a foam extinguisher? |
8.4 ltr water and 0.6 ltr AFFF concentrate. (9 ltr AFFF solution total) |
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What is the discharge time and range of a foam extinguisher? |
45 seconds 5 meters |
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What maintenance is required for a foam extinguisher? |
Check condition (visual inspection), locking pin, test date and pressure. (700 kPa) |
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What safety considerations are there when using a foam extinguisher? |
PPE |
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What colour is a dry chemical extinguisher? |
Red with white stripe. |
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What classes of fire is a dry chemical extinguisher used for? |
Class A, B, C, and E fires. (Interrupts chemical chain reaction) |
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What is a dry chemical extinguisher made from? |
Welded stainless steel |
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What is inside a dry chemical extinguisher? |
9kg of mono ammonium phosphate. |
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What is a dry chemical extinguisher pressurised with and what is the kPa? |
Pressurised with nitrogen to 1350 kPa. |
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Describe the construction of a Co2 extinguisher. |
Drawn steel cylinder, non conductive director horn. Safety valve operates at 17.2 MPa. |
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What is the discharge time and range of a dry chemical extinguisher. |
45-60 seconds 3-4 meters |
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What maintenance is required for dry chemical extinguishers? |
Check condition (visual inspection), locking pin, test date and cylinder pressure. (1350 kPa) |
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What’s after considerations are there when using a dry chemical extinguisher? |
PPE Breathing difficulties in confined spaces. May cause initial flare up. Chance of reigniting. |
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What is inside a Co2 extinguisher? |
Co2 gas in liquid form. |
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What is the discharge time and and range for a Co2 extinguisher? |
15 seconds 1-2 meters |
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What is the vapour density and expansion ratio of Co2? |
1.5 450:1 |
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What maintenance is required for a Co2 extinguisher? |
Check condition (visual inspection), locking pin and test date. |
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What safety considerations are there when using a Co2 extinguisher? |
PPE. Use BA when operating in confined space. Cold burns from horn. |
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What colour is a foam extinguisher? |
Red with blue stripe. |
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What classes of fire is a foam extinguisher used for? |
Class. A, B and C fires. (Also limited applications for class F fires) |
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Describe the construction of a foam extinguisher. |
Welded stainless steel with an aspirating nozzle. |