Pressures and Flows

Question 1

What is the nozzle pressure for hand lines with smooth bore nozzles?

Answer 1

50 psi

Question 2

What nozzle pressure can be utilized for hand lines with smooth bore nozzles in order to achieve a higher flow?

Answer 2

65 psi

Question 3

What is the nozzle pressure for master streams with smooth bore nozzles?

Answer 3

80psi

Question 4

What nozzle pressure can be utilized for master streams with smooth bore nozzles in order to achieve a higher flow?

Answer 4

100 psi

Question 5

What nozzle pressure is the Akron Assault nozzle designed for?

Answer 5

50 psi nozzle pressure

Question 6

What GPM does the Akron Assault handline nozzle flow with the fog and what GPM with the slug tip? (What size slug tip?)

Answer 6

175 GPM fog and 185 GPM with the 15/16’’ slug

Question 7

What is the nozzle pressure for all other fog nozzles unless otherwise indicated?

Answer 7

100 psi

Question 8

Theoretical GPM for hand line @50 psi

1/2’’ tip

Answer 8

53 psi

Question 9

Theoretical GPM for hand line @50 psi

7/8’’ tip

Answer 9

161 GPM

Question 10

Theoretical GPM for hand line @50 psi

15/16’’ tip

Answer 10

185 GPM

Question 11

Theoretical GPM for hand line @50 psi

1’’ tip

Answer 11

210 GPM

Question 12

Theoretical GPM for hand line @50 psi

1&1/8’’ tip

Answer 12

266 GPM

Question 13

Theoretical GPM for hand line @50 psi

1&1/4’’ tip

Answer 13

328 GPM

Question 14

Theoretical GPM for master stream @80 psi

1&1/4’’ tip

Answer 14

415 GPM

Question 15

Theoretical GPM for master stream @80 psi

1&3/8’’ tip

Answer 15

502 GPM

Question 16

Theoretical GPM for master stream @80 psi

1&1/2’’ tip

Answer 16

598 GPM

Question 17

Theoretical GPM for master stream @80 psi

1&3/4’’ tip

Answer 17

814 GPM

Question 18

Theoretical GPM for master stream @80 psi

2’’ tip

Answer 18

1062 GPM

Question 19

How many gallons does the 1.5’’ Akron Assault nozzle flow?

Answer 19

175 GPMs

Question 20

How many gallons can the 2.5’’ adjustable flow Akron fog nozzle be set to deliver?

Answer 20

125-250 GPM

Question 21

How many gallons does the Akron quick attack mercury monitor flow?

Answer 21

500 GPM

Question 22

What is the GPM operating range for master stream fog nozzles?

Answer 22

150-2000 GPMs

Question 23

What is the flow and nozzle pressure for the adjustable gallonage fog nozzle?

Answer 23

Between 12-60 GPM with 100psi nozzle pressure

Question 24

What is the flow for the 1” red fog nozzle for forestry hose?

Answer 24

22 GPM @ 100psi

Question 25

What is the flow and pressure for the decon shower?

Answer 25

270 GPM @ 75psi

Question 26

How many GPM’s does a tower shower curtain flow?

Answer 26

75 GPM

Question 27

What is the flow and pressure for a piercing nozzle?

Answer 27

125 GPM @ 100psi

Question 28

What is the flow and pressure for a 2.5” distributer nozzle?

Answer 28

250 GPM @ 100psi

Question 29

What is the flow and pressure for a 1.5” distributer nozzle?

Answer 29

95 GPM @ 50psi

Question 30

What is the flow and pressure for a 2.5” cellar nozzle?

Answer 30

350 GPM @ 100psi

Question 31

What is the flow and pressure for a 1.5” cellar nozzle?

Answer 31

160 GPM @ 100psi

Question 32

What is the range of flow for the smooth bore break away pumper mounted monitor?

Answer 32

Between 500-1000 GPM

Question 33

What are the three types of fixed monitors utilized in Fairfax County and what are their flow ranges?

Answer 33

Smooth bore break away nozzle 500-1000 GPM
Task Force Tip automatic nozzle 150-1250 GPM
Akron adjustable flow nozzle 500-1250 GPM

Question 34

List the fixed monitor smooth bore break away nozzle tip sizes, flow, and pressures. p18

Answer 34

1 3/8” 500 GPM @ 110psi
1 1/2” 600 GPM @ 110psi
1 3/4” 800 GPM @ 110psi
2” 1000 GPM @ 120psi
pressures listed are final discharge gauge pressures

Question 35

List the fixed monitor Task Force Tip automatic nozzle flows and required PSI. p19

Answer 35

500 GPM @ 90psi
750 GPM @ 110psi
1000 GPM @ 120psi
1250 GPM @ 140psi
pressures listed are final discharge gauge pressures

Question 36

List the fixed monitor Akron Adjustable flow nozzle flows and required PSI. p19

Answer 36

500 GPM @ 100psi
750 GPM @ 110psi
1000 GPM @ 130psi
1250 GPM @ 140psi
pressures listed are final discharge gauge pressures

Question 37

What is the flow and NP for the combination monitor with smooth bore nozzle? p19

Answer 37

Between 500-1000 GPM @ 80psi NP

Question 38

What is the flow and NP for the combination monitor with fog nozzle? p19

Answer 38

350-1250 GPM @ 100psi NP

Question 39

What nozzle pressure is required for the Akron Quick-Attack mercury monitor fog nozzle and what does it flow?

Answer 39

100 psi and 500 GPM

Question 40

What is the smooth bore tip size for the Akron Quick-Attack Mercury monitor and what is the nozzle pressure?

Answer 40

1 3/8 and 80psi

Question 41

What is the GPM and tip pressure for the JS-10 air aspirating nozzle?

Answer 41

100 GPM and 100 PSI

Question 42

What is the flow for the portable foam eductor and pressure required at the eductor?

Answer 42

95 to 125 GPM and 200 PSI at the eductor

Question 43

If the pumper is equipped with the Akron Truck Mount (pre-piped in-line eductor) what psi is required at the eductor?

Answer 43

200psi

Question 44

Husky foam system is capable of injection foam from ____% to _____% with what rated capacity at ____ psi

Answer 44

.1% to 3% with a rated capacity of 3GPM of foam concentrate at 150 PSI

Question 45

Minimum initial starting pressure for all 4” supply lines?

Answer 45

50 psi

Question 46

When supplying, all 3” lines should be charged to a minimum starting pressure of ____psi.

Answer 46

100 psi

Question 47

If a 4” and a 3” supply line are used together they should be charged to a minimum starting pressure of what?

Answer 47

100 psi

Question 48

In a supply scenario, what number is used as residual pressure?

Answer 48

20 psi