Mental hydraulics Flashcards by mike b

NP for TFT nozzles

100 psi

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FL for 2.5” handline with TFT

15 psi per 100’

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A 1 1/4” smooth bore require what NP

50 psi

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A 1 3/4” smooth bore requires what NP

80 psi

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You would calculate a ladder pipe or ground monitor master stream, with a fog nozzle flowing 750 gpm, using what friction loss variables?

2 - 2 1/2s = 30psi per 100’
3 - 2 1/2s = 15psi per 100’
4” = 10 psi per 100’

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gpm for 1” smooth bore

210 gpm

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FL for ladder pipe is

You add ____ psi for fog _____ psi smooth bore to this FL number

60 psi (elevation, back/head pressure)
100 psi for fog
80 psi smooth bore

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total FL for ladder pipe with smooth bore?

Fog tip?

140 psi

160 psi

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gpm for 1 1/8” smooth bore

265 gpm

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EP for 300’ ,1 3/4” hose to the 3rd floor

200 psi

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gpm 1 3/4” smooth bore

750 gpm

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FL in 100’ of 4” hose flowing 1000 gpm

20 psi per 100’

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gpm 1 1/2” smooth bore

500 gpm

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If you doubled the gpm what happens to the FL

quadruples

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EP for 2 1/2” hose, 350’ long with a 1 1/8” tip

110 psi

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EP for a ground monitor with 1000 gpm TFT, supplied by 3- 2 1/2” lines 300’ long

185 psi

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600’ of 2 1/2” with a 1 1/8” tip, what is the EP

140 psi

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EP if you have 2- 2 1/2” lines to a ground monitor with a 1 3/4” smooth bore and 400’ length

225 psi

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2 1/2” hose line with a 1 1/4” tip 600’ long

170 psi

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2- 2 1/2” lines to a ground monitor 200’ long with a 500 gpm TFT

165 psi

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A 2 1/2” line, 700’ long with a 1 1/8” tip

155 psi

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A 1 3/4” line, 300’ long with a TFT

190 psi

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A 2 1/2” line 1000’ long with a 1” smooth bore

150 psi

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A 2 1/2” line, 650’ long with a 1 1/4” smooth bore

190 psi

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Pumping a ladder pipe with 300' of 4" hose with a 2" smooth bore

200 psi

EP when pumping 2- 2 1/2" lines 400' each to a ladder pipe with a 750 gpm fog nozzle

280 psi

EP for deck gun with a 500 gpm TFT

110 psi

100' 1 3/4" stinger line

130 psi

EP for 700' of 2 1/2" line with a TFT

205 psi

EP with a 400' 2 1/2" line with a 1 1/4" tip

130 psi

200' of 2 1/2" line with a 1" tip

70 psi

1- 2 1/2" hose line 100' flowing 325 gpm

70 psi

400', 1 3/4" hose line to the 6th floor

245 psi

2 1/2" hose line, 450' long with a 1" straight bore nozzle

100 psi

EP for a single 2 1/2" hose line, 450' long, pumping 250 gpm with a TFT

175 psi

EP for pumping a deck gun with a 1 3/4" smooth bore tip? | gpm?

100 psi | 750 gpm

EP pumping a deck gun with a 1000 gpm fog

130 psi

EP for a ground monitor with a 1 3/4" smooth bore tip supplied by 2- 2 1/2" hose lines 300' long

195 psi

EP for a ladder pipe with a 750 gpm fog nozzle, supplied by 3- 2 1/2" hose lines, 200' long

190 psi

EP for ladder pipe with 1 1/2" smooth bore supplied by 2- 2 1/2" hose lines, 150' long

180 psi

FL for a dry standpipe appliance

150 psi

EP for 1" booster line? gpm?

200 psi | 38 gpm

EP for 1 3/4 high rise pack is

120 psi

What psi would you pump the high rise pack to 2nd floor

150 psi | 120 pack, 25 appliance, 5 floor

Max EP for large diameter hose

180 psi

What do we test are 4" at

300 psi

EP required when pumping to a standpipe with the high rise pack attached to the outlet on the 5th floor

165 psi

EP for a portable monitor with 1 1/2" smooth bore supplied by 4", 250' long

120 psi

EP for a portable monitor with 1 3/4" smooth bore, supplied by 3- 2 1/2" lines, 300' long

150 psi

EP when pumping to a standpipe with a high rise pack attached to outlet on 9th floor

185 psi

EP for portable monitor with 750 gpm fog tip supplied by 4" hose, 350' long

165 psi

EP for portable monitor with a 2" smooth bore supplied by 4" hoseline, 500' long

205 psi

To convert 2- 2 1/2" siamese lines to a single 2 1/2" line, you divide one leg by? convert 3- 2 1/2" lines divide by?

4 | 8

How much does a cubic foot of water weigh

62.5 lbs

weight of one gallon of water

8.35 lbs

what psi to pump to sprinkler system

150 psi

FL for ground monitor supplied by 2 lines, 1 1/2" 1 3/4" 2"

20 psi 500 gpm 30 psi 750 gpm 40 psi 1000gpm

How many additional lines may be added if pressure between static and residual drops 0-10*

3 like lines

additional lines added if pressure drops above 25*

0- already have more going out than coming in, need another water supply

additonal lines added if pressure drops 11-15*

2 like lines

additional lines added if pressure drops 16-25*

1 like line

What are coefficients for: 1", 1 1/2", 1 3/4", 2 1/2", 4 '

150, 24, 15.5, 2, .2

Pressure at the bottom of a column of water 1 foot high

.434 (half pound per foot per floor, 5 psi per floor)

How many square inches in a square foot

144 square inches

How many cubic inches in a cubic foot

1728 cubic inches

Gallons in a cubic foot

7.48 gallons

Distance in feet that 1 pound pressure will raise water

2.304 feet

What is base pressure for ground monitor with fog tip

125 psi (100 NP + 25 appliance)

Base pressure for ladder pipe with fog tip? | smooth bore?

``` 160 psi (60 FL + 100 NP) 140 psi (60 FL + 80 NP) ```

Breakdown of pumping high rise pack to 2nd floor

150 psi (50NP + 70FL+ 25 appliance + 5 per floor)

gpm of high rise nozzle and what is it

Metro One nozzle, 200 gpm constant gallonage

FL for ground monitor with 4" supply line. 1 1/2", 1 3/4", 2"

5 psi 10 psi 20 psi

FL for ground monitor supplied by 3- 2 1/2" hose lines: | 1 1/2", 1 3/4", 2"

10 psi 15 psi 20 psi

how many gallons of water in 100' 1 3/4"

12 gallons per 100'

how many gallons of water in 100' 2 1/2"

25 gallons

how many gallons in 100' 4"

65 gallons

160+160

320

160+250+325

735

265+160

425

EP for 2 1/2" hose line with a 1 1/8" 300' long

95 psi

EP for 2 1/2" hose line 450' long with a 11/4" tip?

150 psi

250+210+160

620

575+160

735

410+265+750

1425