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3 Cards in this Set
- Front
- Back
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Two main reasons for reduction in pressure in a hose |
• friction loss • effects of gravity when working above a water source or pump |
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4 factors affecting Pressure Loss |
• internal diameter of hose • output flow of water • heights in metres above or below the water source • length of hoseline |
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5 ways frictional loss affects pressure |
• the length of hose through which the water flows • the longer the hoselines, the greater the frictional loss • square of the flow rate • if the flow rate is doubled through a hose, the pressure loss is increased by 4 factor • hose diameter |
