Hydraulics Flashcards by Elijah Quiceno

Q

Pump discharge pressure formula

A

PDP=NP+FL+AP+/-EP

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Q

PDP(Supply)

A

RP(20)+FL+AP+/-EP

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Q

Available Water Remaining

A

(SP-RP)x100) ~SP

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Q

GPM

A

29.7 x d2 x square root of NP
Squat root for 80 = 8.94
Squat root for 50 = 7.07

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Q

NP for smooth bore

A

50

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Q

NP Akron Fog Tip

A

50psi

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Q

NP Smooth Bore master streams

A

80psi

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Q

Master stream Fog Tips

A

100psi

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Q

Coefficient for 1.75/ 1-3/4 hose

A

10 fire ground /15.5 theoretical

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Q

Coefficient for 1” hose

A

150

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Q

Coefficient for 2” hose

A

8

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Q

Coefficient for 2-1/2 hose

A

2

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Q

Coefficient for 3” hose

A

0.8

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Q

Coefficient for 4” hose

A

.2

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Q

Coefficient for 5” hose

A

.08

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Q

Coefficient for dual 3” hose

A

.2

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Q

Coefficient for 4” + 3” hose

A

.09

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Q

Coefficient for dual 4” hose

A

0.05

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Q

GPM Fog nozzle @50psi

A

175

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Q

Smooth bore @50psi

A

185/ 15/16 tip slug

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Q

GPM 2 1/2 blitz line SB

A

300 foreground/// 296 theoretical
1” 3/16 tip SB

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Q

GPM Mercury Monitor

A

500 Fog 500 SB (AP- 10)

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Q

Appliance Loss - Less than 350gpm

A

0

Q

Appliance Loss - 350gpm +

A

10

Q

Appliance Loss - Ladder pipe

A

25

Q

Appliance Loss - Master stream

A

25

Q

Appliance Loss - stand pipe

A

25

Q

Appliance loss - Large appliances

A

25

Q

Master stream 1” 1/4 flows

A

400 fire ground// 415 theoretical

Q

Master stream 1” 3/8 tip flows

A

500 fire ground// 502 theoretical

Q

Master stream 1” 1/2 flows

A

600 fireground /// 598 theoretical

Q

Master stream 1” 3/4 flows

A

800 fireground/// 814 theoretical

Q

Master stream 2” flows

A

1000 fireground /// 1062 theoretical

Q

Starting pressure for 100ft 1”3/4

A

80

Q

Starting pressure for 150ft 1” 3/4

A

95

Q

Starting pressure for 200ft 1” 3/4

A

110

Q

Starting pressure for 250” 1 3/4

A

125

Q

Starting pressure for 300ft 1” 3/4

A

140

Q

Starting pressure for 400ft 1” 3/4

A

170

Q

Starting pressure for 100ft 1” 3/4 SB tip

A

85

Q

Starting pressure for 150ft 1”3/4 SB

A

100

Q

Starting pressure for 200ft 1”3/4 SB

A

120

Q

Starting pressure for 250ft 1”3/4 sb

A

135

Q

Starting pressure for 300ft 1”3/4 SB

A

150

Q

Starting pressure for 350ft 1”3/4 SB

A

170

Q

Starting pressure for 400ft 1”3/4 SB

A

185

Q

Starting pressure for 200 ft 2” 1/2

A

85

Q

Starting pressure for 250ft 2” 1/2

A

95

Q

Starting pressure for Deck Gun

A

Fog - 125 SB 105

Q

Starting RPM for drafting

A

1200

Q

1.75x1.75

A

3.06

Q

1.85x1.85

A

3.42

Q

2.96x2.96

A

8.76

Q

100ft of 3” for Mercury monitor

A

20 psi

Q

100ft 1” 3/4 w fog nozzle

A

30 psi

Q

100ft 2” 1/2 with SB

A

18 psi