Long Equations Flashcards
1
Q
Square Containers
A
Cubic Feet: L x W x H
Gallons: L x W x H x 7.5
Weight: L x W x H x 63
2
Q
Cylinder Containers
A
Cubic Feet: D^2 x L x 0.8
Gallons: D^2 x L x 6
Weight: D^2 x L x 49
3
Q
Discharge GPM
A
Smooth Bore: D^2 x √PSI x 30
Open Butt: D^2 x √PSI x 27
4
Q
Sprinklers
A
GPM: 1/2 PSI + 15
PSI: 2(GPM -15)
5
Q
Velocity of Flow
A
Height: √H x 8
PSI: √PSI x 12
6
Q
Cubic Measurements
A
Inches: 1728
Gallons: 7.481 (exact) 7.5 (use)
Pounds: 63
7
Q
Measurements
A
1 PSI = 2.3 feet
1 foot = .434 PSI
1 Gallon = 8.35 lbs
8
Q
Multiple Line Friction Factors
A
2-1/2”
-Two lines: divide by 4
-Three lines: divide by 8
Four lines: divide by 12
4”
-One line: divide by 11
-Two lines: divide by 42
