Board To Memorize

Question 1

Handline Tip Sizes NP/GPM

Answer 1

50 PSI

7/8" - 160 GPM
15/16" - 180
1" - 200
1 1/8" - 250
1 1/4" - 325

Question 2

Master Stream Tip Sizes NP/GPM

Answer 2

80 PSI

1 1/4" - 400 GPM
1 3/8" - 500
1 1/2" - 600
1 5/8" - 700
1 3/4" - 800
1 7/8" - 900
2" - 1000

Question 3

SM20 NP/GPM

Answer 3

100 PSI

60 - 200 GPM

Question 4

SM30 NP/GPM

Answer 4

100 PSI

75 - 325 GPM

Question 5

Akromatic NP/GPM

Answer 5

100 PSI

500 - 2000 GPM

Question 6

TFT Metro NP/GPM

Answer 6

1 3/4” lines

50 PSI

150 GPM

Question 7

Broken Stream Nozzles NP

Answer 7

100 - 150 PSI

Question 8

Vindicator (Handline) Tip Sizes NP/GPM 1 3/4” & 2 1/2”

Answer 8

1 3/4”
250 GPM @ 50 PSI
425 GPM @ 100 PSI

2 1/2”
325 GPM @ 50 PSI
500 GPM @ 100 PSI

Question 9

Vindicator (Masterstream) NP/GPM

Answer 9

1000 GPM @ 85 PSI

675-1000 GPM for monitors

Question 10

PDP (definition/equation)

Answer 10

Pump Discharge Pressure

NP + FL + AP +(-) EL

Question 11

Friction Loss Equation

Answer 11

C (Q/100)² (L/100)

Question 12

Friction Loss Coefficients by Hose Size

Answer 12

1 3/4” - 15.5
2 1/2” - 2
5” - 0.08

Question 13

When to Factor in PSI When using an Appliance

Answer 13

≥ 350 GPM = 10 PSI

Question 14

Aerial/Deck Gun/Ground Monitor PSI loss or whatever

Answer 14

15 PSI

Question 15

TFT Metro 2

Answer 15

2 1/2” Lines only

50 PSI

250 GPM

Question 16

Solid Tip Discharge (GPM) Equation

Answer 16

(29.7) (D²) (√NP)

Question 17

Akron Piercing Nozzle GPM/PSI/Max Operating Pressure

Answer 17

125 GPM @ 100 PSI

Max Operating Pressure: 200

Question 18

Nozzle Operating Pressures (for calculations)

• Solid Tip/Vindicator
• Solid Tip Master Streams
• Vindicator Master Stream
• ALL Fog Streams
• All TFT Fog Stream Handlines

-Broken Stream

Answer 18

-Solid Tip/Vindicator:
50 PSI

-Solid Tip Master Streams:
80 PSI

• Vindicator Master Stream:
  85 PSI

-ALL Fog Streams:
100 PSI
-All TFT Fog Stream Handlines:
50 PSI

-Broken Stream:
100-150 PSI

Question 19

Nozzle Pressure/Reaction Formulas

• Solid Tip
• Fog Tip

Answer 19

• Solid Tip
  (1. 57) (D²) (NP)
• Fog Tip
  (0. 0505) (GPM) (√NP)

Question 20

Friction Loss GPM/PSI per Hundred Feet 1 3/4” Hose

Answer 20

100 GPM: 15 PSI
125 GPM: 25 PSI
150 GPM: 35 PSI
175 GPM: 45 PSI
200 GPM: 65 PSI

Question 21

Appliance Pressure

- Hoseline Appliance 
- Master Stream Appliances

Answer 21

-Hoseline Appliance:
≥ 350 GPM = 10 PSI

-Master Stream Appliances
15 PSI for all deck guns, portable monitors, aerial master streams

Question 22

Elevation Pressure

Answer 22

0.434 PSI per foot

5 PSI per floor (remember first floor doesn’t count)

Question 23

PDP Formula/Max Pressure for Deck Gun

Answer 23

PDP = NP + AP

Max Flow = 1,250 GPM

15 PSI friction loss for appliance

Question 24

PDP Formula for Portable Monitor/Max Pressure

Answer 24

15 PSI friction loss for appliance

Add friction loss for supply hose and nozzle pressure

Max Pressure 200 PSI

Question 25

Sprinkler Systems

Answer 25

2 1/2” hoselines in 50’ sections to reduce FL

-Maintain PDP of 150 PSI

Question 26

Fire Flow Formula

Answer 26

GPM’s needed (NFF) = (area/3) (% of structure involved)

Area (length times width) divided by three, then multiply by percent of structure involved

Question 27

Ladder Nozzle PSI

Answer 27

Fog: 100 PSI

Solid: 80 PSI

Ladder 5 Fog: 85 PSI

Vindicator: 85 PSI