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16 Cards in this Set
- Front
- Back
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The purpose of a hose |
To move water from one place to another |
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Requirements of a good hose |
Cable to withstand pressure changes & shock Smooth internal Durable Reliable in use Not stretch when under excessive pressure Reliable in use |
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The stretch of a hose when under pressure |
5% in length 10% in diameter |
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Lay flat 45mm |
23 meters long Synthetic rubber 50% reserve held at station |
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70mm hose |
23 meters long 50% reserves held at station |
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How often should hides be rotated |
Every 3 months |
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90mm hose |
30m long 23.5kg Carried on a hose laying unit Work max 15 bar Usually yellow |
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150mm hose |
High volume pump Yellow |
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Hard suction hose |
2.44 m 100mm dimensions Two on each appliance |
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Hosereel |
18.3 in length Yellow 4 on each drum 8 on each fire engine McDonald High pressure |
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Name of couplings on 45mm and 70mm hose |
Instantaneous couplings Female & male |
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Two types of female couplings |
Two pull- release spring loaded Single twist- release spring loaded plunger |
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Care & repair of a hose When at an incident |
Ramped when laid across a road Not linked under pressure Not made up when frozen Must be Unruh before being stowed |
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How often should hides be rotated |
Every 3 months |
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When a hose is damage at an incident what should be done |
Hose bandage Replaced with a new hose Damaged hose has overhand knot placed at both ends When made up it should be rolled up from make coupling end |
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How often are hoses tested |
On acceptance After operational use Annually |
