5 Key Principles that affect friction loss...
1. The diameter/size of the hose - The greater the size, the less the friction loss
2. GPM - the greater the GPM, the greater the friction loss
3. The length of the hose - the greater the length, the greater the friction loss
4. Elevation - the higher the elevation, the higher the friction loss
5. The quality (materials used, wear) and age - as hose ages and breaks down, friction loss increases. Or, if cheaper material is used, friction loss can increase as a result.
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🚨DISCLAIMER: Dallas Fire-Rescue does not endorse or promote these videos. The information herein is my best understanding of the material covered and the subsequent views expressed are my own and not necessarily those DFR. These videos are strictly for educational purposes only and it is critical that you always talk with your Station Officer and crew before implementing anything you see here on The Roll Steady.
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22 окт 2024
