1
Q
Reasons for relay pumping
A
- Long distances between water source and quantity of water needed
- Overcome excessive pressure caused by elevation
2
Q
Tested psi for hose lines:
A
3in and smaller: 400psi
5in: 300psi
3
Q
Max discharge pressure
A
3in: 350psi
5in: 250psi
4
Q
Relay op can only be as good as the equipment used. The _______________ of each apparatus is the primary consideration.
A
Pump Capacity
5
Q
At 200psi, the rated capacity drops to
A
70%
6
Q
At 250psi, the rated capacity drops to
A
50%
