Title: (Optional) List causes of friction loss in water mains.
Course: Public Safety II (15101-II) > Section: FIREFIGHTING: Using Water Supply, Hoses, and Nozzles

List should include

- damaged valves
- trash and/or debris
- sediment build up/encrustations.

Process/Skill Questions:

- What is friction loss?
- How can a firefighter prevent friction loss?
- How are static, residual, and flow pressures determined?