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Pump ops Test 1 Questions with Correct Answers

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Pump ops Test 1 Questions with Correct Answers

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Pump ops Test 1 Questions with Correct
Answers
Pump discharge pressure equation

NP + FL + A + E

PSI for all fog nozzles

100 psi

PSI for all smooth bore handline

50 psi

PSI for a master stream

80 psi

1 3/4 hose friction loss (hand method) 100 gpm

12 psi per 100 ft hose

1 3/4 hose friction loss (hand method) 125 gpm

24 psi per 100 ft hose

1 3/4 hose friction loss (hand method) 150 gpm

36 psi per 100 ft hose

1 3/4 hose friction loss (hand method) 175 gpm

48 psi per 100 ft hose

1 3/4 hose friction loss (hand method) 200 gpm

60 psi per 100 ft hose

, How do you calculate FL for 2 1/2 inch hose?

Take GPM, drop the last number and subtract 10.

2 1/2 in hose FL for 200 gpm

10 psi per 100 ft hose

2 1/2 in hose FL for 300 gpm

20 psi per 100 ft hose

2 1/2 in hose FL for 550 gpm

45 psi per 100 ft hose

What is the method to determine the FL for 3 in hose?

(GPM/100) squared

3 in hose FL when flowing 400 gpm

16 psi per 100 ft

3 in hose FL when flowing 500 gpm

25 psi per 100 ft

What is the method to calculate FL using 4 in hose?

(GPM/100) squared, divide by 5

4 in hose FL when flowing 500 gpm

5 psi per 100 ft

4 in hose FL when flowing 700 gpm

10 psi per 100 ft

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