Friction Loss

Question 1

Friction Loss for EACH appliance when flowing greater than 350 gpm.

Answer 1

10 psi

Question 2

Friction Loss for Master Streams

Answer 2

25 psi (regaurdless of gpm)

Question 3

Solid Stream Handline

Answer 3

50 psi

Question 4

Solid Stream Master Stream

Answer 4

80 psi

Question 5

Standard psi for Fog

Answer 5

100 psi

Question 6

1 1/8” tip GPM

Answer 6

300 gpm

Question 7

1 5/8” tip GPM

Answer 7

700 gpm

Question 8

1 7/8” tip GPM

Answer 8

900 gpm

Question 9

2” tip GPM

Answer 9

1,000 gpm

Question 10

1” tip GPM

Answer 10

200 gpm

Question 11

1 3/4” tip GPM

Answer 11

800 gpm

Question 12

1 3/8” tip GPM

Answer 12

500 gpm

Question 13

1 1/4” tip GPM

Answer 13

400 gpm

Question 14

1 1/2” tip GPM

Answer 14

600 gpm

Question 15

Condensed Q Formula for 3”,4”,5” hose.

Answer 15

3”= Q2
4”= Q2/5
5”= Q2/15
Friction Loss per 100’ of hose.

Question 16

Drop 12 for 2 1/2” Hose

Answer 16

160-300 gpm Drop 10 from first 2 numbers of the gpm flowing.
301-500gpm Drop 12 from first 2 numbers of gpm flowing then add back the first number of the gpm.
Friction Loss per 100’ of hose.

Question 17

Drop 12 for 1 1/2” Hose

Answer 17

GPM x 4 then Drop 12 from the first 2 numbers of GPM flowing.
Friction Loss per 100’ of hose.

Question 18

Flow Calcutation for GPM

Answer 18

GPM=29.7 x d2 x square root of the NP

Question 19

Calculation for Nozzle Reaction in fog stream

Answer 19

0.0505 x Q x square root of the NP

Question 20

Friction Loss Calculation

Answer 20

FL=CQ2L

Question 21

Elevation Pressure Calculation

Answer 21

EP= 0.5H

EP= 5psi x #of stories - 1

Question 22

Nozzle Reaction for Solid Stream

Answer 22

NR= 1.57 x d2 x NP

Question 23

Pump Discharge Pressure

Answer 23

PDP= NP+TPL

Question 24

Net Pump Discharge Pressure

Answer 24

NPDP= PDP-Intake Reading

Question 25

GPM 2 1/2" 100

Answer 25

3

Question 26

GPM 2 1/2" 110-120

Answer 26

4

Question 27

GPM 2 1/2" 130-140

Answer 27

5

Question 28

GPM 2 1/2" 150

Answer 28

6

Question 29

GPM 1 1/2" 50

Answer 29

10

Question 30

GPM 1 1/2" 55

Answer 30

12

Question 31

GPM 1 1/2" 60

Answer 31

14

Question 32

GPM 1 1/2" 65

Answer 32

16

Question 33

GPM 1 1/2" 70

Answer 33

18

Question 34

GPM 1 1/2" 75

Answer 34

20

Question 35

GPM 1 1/2" 80

Answer 35

23

Question 36

GPM 1 1/2" 85

Answer 36

26

Question 37

GPM 1 1/2" 90

Answer 37

29

Question 38

GPM 1 1/2" 95

Answer 38

32

Question 39

GPM 1 1/2" 100

Answer 39

35

Question 40

GPM 1 1/2" 105

Answer 40

39

Question 41

GPM 1 1/2" 110

Answer 41

43

Question 42

GPM 1 1/2" 115

Answer 42

47

Question 43

GPM 1 1/2" 120

Answer 43

51

Question 44

GPM 1 1/2" 125

Answer 44

55

Question 45

LA Nozzle 200 GPM

Answer 45

75 psi

Question 46

LA Nozzle 170 GPM

Answer 46

100 psi

Question 47

Orange Elkhart Cheif 250GPM

Answer 47

50

Question 48

Orange Elkhart Cheif 200GPM

Answer 48

75

Question 49

Forestry Nozzle 23 GPM

Answer 49

100

Question 50

Booster Nozzle 40 GPM

Answer 50

100

Question 51

Foam Propak 126 GPM

Answer 51

100

Question 52

Sprinkler System

Answer 52

150psi @ FDC

Question 53

Standpipe

Answer 53

25psi+or- EL +Supply Hose FL to FDC+attack lineFL+NP

Question 54

Elkhart Eductor 125 GPM

Answer 54

200 Nozzle Pressure

Question 55

7/8" tip GPM Handline

Answer 55

161GPM

Question 56

15/16" tip GPM Handline

Answer 56

185 GPM

Question 57

1" tip GPM Handline

Answer 57

210 GPM

Question 58

1 1/8" tip GPM Handline

Answer 58

266 GPM

Question 59

1 1/4" tip GPM Handline

Answer 59

328 GPM

Question 60

1 3/8" tip GPM Handline

Answer 60

397 GPM

Question 61

1 1/2" tip GPM Handline

Answer 61

473 GPM

Question 62

Squares of Common Quantities | 1.5

Answer 62

2.25

Question 63

Squares of Common Quantities | 2.5

Answer 63

6.25

Question 64

Squares of Common Quantities | 1.25

Answer 64

1.5

Question 65

Squares of Common Quantities | 3.5

Answer 65

12.25

Question 66

Squares of Common Quantities | 4.5

Answer 66

20.25

Question 67

Squares of Common Quantities | 5.5

Answer 67

30.25