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31 Cards in this Set
- Front
- Back
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Project 2 flow rates |
630 lpm 930 lpm Spray and jet at same time |
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Deviding breaching? |
Supplies two female couplings from one water supply. |
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Requirements of a good hose? |
Reliable in use Not stretch exsseivly Light and easy to handle Durable Capable to withstand change in pressure and shock |
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How to test a hose? |
Visual check in increments of 300mm
Pressure check to 15 bar for 1 minute |
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4 diameters of lay flat hose? |
45mm 70mm 90mm 150mm |
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Hoses that use storz COUPLING? |
90mm 150mm |
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Length of 90mm hose? |
30meters |
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Adding new length of hose or changing burst hose during operation must? |
Minimise interruption Guarantee safety of branch operator |
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When should dirty hose be cleaned? |
ASAP on return to station. |
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Flow rate of Akron mercury ground MONITOR? |
950 to 1900 lpm |
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Projet 2 working pressure range? |
3.5 to 7 bar |
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Collecting breaching? |
Combines 2 low pressure supplies and coverts to 1 |
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How to roll and prepare damage hose to be sent away for repair? |
Rolled from Male coupling China graph pencil outlining defect Label tied on, hose ID number, station number and details of defect |
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How often should hose be rotated between appliance and reserve store? |
Every 3 months |
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Where is 90mm layflat hose carried? |
On hose laying appliance |
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Delta branch flow rates and working pressure? |
130 230 300 400 3 to 6 bar |
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What is hard suction hose? |
Supply water from open source to pump when lifting from open water. |
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Hard suction hose length and diameter? |
2.44 m long 100mm wide |
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Hosereel flow rates? |
50 100 150 230 |
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What is a hose adaptor kit used for? |
Used to connect storz coupling to instantaneous coupling |
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Maximum pressure of 45mm 70mm and 90mm hose? |
15 bar |
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How can jet reaction be reduced? |
Safe and stable position Start on low flow rate that can be controlled and work up 2 firefighters Open and close branch slowly and fully Hose in straight line behind operator 3 meters |
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45mm hose weight and length? |
9kg 23 meters |
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70mm hose weight and length? |
15kg 23meters |
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Size of couplings internal bores of 45mm and 70mm hose? |
65m |
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Hose reel length and diameter? |
18 meters long. 4 lengths on each drum on appliance 22mm diameter |
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Where is 150mm hose carried? |
On high volume pumping appliances |
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Working pressure range of ground monitor? |
3.5 to 7 bar |
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Occasions where a ground monitor may be used? |
Large amounts of water or foam Application for long periods of time Application from a distance |
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What type of lip on instantaneous coupling? |
Anular lip |
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Flow rate of ground monitor when using foam? |
950 lpm |
