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1. There is ____ lb of water per cubic foot
62.5
2. There is _____ lb of water per gallon.
8.33
3. 1 foot of water exerts _____ psi
0.434
4. 1 psi raises water _____ ft
2.304
5. Atmospheric pressure = _____ psi at sea level
14.7
6. Lift = ____ x Hg (inches of mercury)
1.13
7. In order to measure the number of gallons in a body of water you multiply the width, length and depth of the body of water and multiply that by _____ which is the number of gallons in a cubic foot of water.
7.5
8. To find the GPM discharge of a smooth bore nozzle, you multiply ________.
29.7 * nozzle diameter^2 * square root of the nozzle pressure
9. To calculate the nozzle pressure of a smooth bore nozzle, you multiply __________.
1.57 * nozzle diameter^2 * nozzle pressure
10. The nozzle reaction for fog stream nozzles is ________.
0.0505 * GPM * square root of the nozzle pressure
11. Friction loss is calculated by multiplying the _____.
hose diameter coefficient * (gpm/100)^2 * (length of hose in feet/100)
12. The hose diameter coefficient for 1" is ____.
150
13. The hose diameter coefficient for 1.5" is ____.
24
14. The hose diameter coefficient for 2.5" is ____.
2
15. The hose diameter coefficient for 4" is ____.
0.2
16. Using field calculations, what is the expected pressure of a smooth bore nozzle on a handline?
50 psi
17. Using field calculations, what is the expected pressure of a smooth bore nozzle on a master stream?
80 psi
18. Using field calculations, what is the expected pressure of a standard fog nozzle?
100 psi
19. Using field calculations, what is the expected pressure of a low pressure fog nozzle?
50 to 75 psi
20. Using field calculations, what is the expected friction loss in a ladder pipe?
25 psi
21. Using field calculations, what is the expected friction loss in a dry stand pipe?
25 psi
22. Using field calculations, what is the expected friction loss in a deluge turret?
25 psi
23. Using field calculations, what is the expected friction loss in a FDC sprinkler system?
150 psi
24. Using field calculations, what is the expected friction loss in a wye, siamese or RAM flowing 350 gpm or more?
10 psi (0 psi if under 350 gpm)
25. If a 1" line is flowing 30 gpm, the est. friction loss in 100 feet of hose is ____.
15 psi
26. If a 1.5" line is flowing 30 gpm in a relay to a 1" hose, the est. friction loss in 100 feet of hose is ____.
2 psi
27. If a 1.5" line is flowing 60 gpm to a pair of wyed 1" lines, the est. friction loss in 100 feet of hose is ____.
10 psi
28. If a 1.5" line is flowing 125 gpm, the est. friction loss in 100 feet of hose is ____.
35 psi
29. If a 1.5" line is flowing 185 gpm, the est. friction loss in 100 feet of hose is ____.
80 psi
30. If a 2.5" line is flowing 125 gpm to a 1.5" line, the est. friction loss in 100 feet of hose is ____.
5 psi
31. If a 2.5" line is flowing 200 gpm, the est. friction loss in 100 feet of hose is ____.
10 psi
32. If a 2.5" line is flowing 250 gpm, the est. friction loss in 100 feet of hose is ____.
15 psi
33. If a 2.5" line is flowing 300 gpm, the est. friction loss in 100 feet of hose is ____.
20 psi
34. If a 2.5" line is flowing 400 gpm to a RAN with a NP at 50 psi, the est. friction loss in 100 feet of hose is ____.
30 psi
35. If a 2.5" line is flowing 500 gpm to a RAN with a NP at 75 psi, the est. friction loss in 100 feet of hose is ____.
50 psi
36. If a 4" line is flowing 1000 gpm, the est. friction loss in 100 feet of hose is ____.
20 psi