Long Equations

Question 1

Square Containers

Answer 1

Cubic Feet: L x W x H
Gallons: L x W x H x 7.5
Weight: L x W x H x 63

Question 2

Cylinder Containers

Answer 2

Cubic Feet: D^2 x L x 0.8
Gallons: D^2 x L x 6
Weight: D^2 x L x 49

Question 3

Discharge GPM

Answer 3

Smooth Bore: D^2 x √PSI x 30
Open Butt: D^2 x √PSI x 27

Question 4

Sprinklers

Answer 4

GPM: 1/2 PSI + 15
PSI: 2(GPM -15)

Question 5

Velocity of Flow

Answer 5

Height: √H x 8
PSI: √PSI x 12

Question 6

Cubic Measurements

Answer 6

Inches: 1728
Gallons: 7.481 (exact) 7.5 (use)
Pounds: 63

Question 7

Measurements

Answer 7

1 PSI = 2.3 feet
1 foot = .434 PSI
1 Gallon = 8.35 lbs

Question 8

Multiple Line Friction Factors

Answer 8

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