Formulas Flashcards
1
Q
Pump Discharge Pressure
A
PDP = NP + TPL
2
Q
Flow Rate
A
Q = GPM/100
3
Q
Friction Loss (without Coefficient)
A
FL = 2Q² + Q
4
Q
Friction Loss (with Coefficient)
A
FL = CQ²L
5
Q
Area of a Circle
A
A = pi R²
A = D² x .7854
6
Q
Volume or Capacity of a Round Tank
A
D² x 6 x L
7
Q
Solid Stream Kickback
A
NR = 1.5 x D² x NP
8
Q
Fog Nozzle Kickback
A
NR = .5 x GPM
9
Q
Water Flow (straight bore)
A
GPM = 29.7 x D² x √NP
10
Q
Elevation Pressure
A
EP = .5 x H
