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Fire Engineering > Friction Loss > Flashcards

Friction Loss Flashcards

1
Q

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

A

10 psi

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2
Q

Friction Loss for Master Streams

A

25 psi (regaurdless of gpm)

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3
Q

Solid Stream Handline

A

50 psi

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4
Q

Solid Stream Master Stream

A

80 psi

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5
Q

Standard psi for Fog

A

100 psi

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6
Q

1 1/8” tip GPM

A

300 gpm

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7
Q

1 5/8” tip GPM

A

700 gpm

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8
Q

1 7/8” tip GPM

A

900 gpm

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9
Q

2” tip GPM

A

1,000 gpm

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10
Q

1” tip GPM

A

200 gpm

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11
Q

1 3/4” tip GPM

A

800 gpm

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12
Q

1 3/8” tip GPM

A

500 gpm

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13
Q

1 1/4” tip GPM

A

400 gpm

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14
Q

1 1/2” tip GPM

A

600 gpm

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15
Q

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

A

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

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16
Q

Drop 12 for 2 1/2” Hose

A

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.

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17
Q

Drop 12 for 1 1/2” Hose

A

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

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18
Q

Flow Calcutation for GPM

A

GPM=29.7 x d2 x square root of the NP

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19
Q

Calculation for Nozzle Reaction in fog stream

A

0.0505 x Q x square root of the NP

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20
Q

Friction Loss Calculation

A

FL=CQ2L

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21
Q

Elevation Pressure Calculation

A

EP= 0.5H

EP= 5psi x #of stories - 1

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22
Q

Nozzle Reaction for Solid Stream

A

NR= 1.57 x d2 x NP

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23
Q

Pump Discharge Pressure

A

PDP= NP+TPL

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24
Q

Net Pump Discharge Pressure

A

NPDP= PDP-Intake Reading

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25
Q

GPM 2 1/2” 100

A

3

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26
Q

GPM 2 1/2” 110-120

A

4

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27
Q

GPM 2 1/2” 130-140

A

5

28
Q

GPM 2 1/2” 150

A

6

29
Q

GPM 1 1/2” 50

A

10

30
Q

GPM 1 1/2” 55

A

12

31
Q

GPM 1 1/2” 60

A

14

32
Q

GPM 1 1/2” 65

A

16

33
Q

GPM 1 1/2” 70

A

18

34
Q

GPM 1 1/2” 75

A

20

35
Q

GPM 1 1/2” 80

A

23

36
Q

GPM 1 1/2” 85

A

26

37
Q

GPM 1 1/2” 90

A

29

38
Q

GPM 1 1/2” 95

A

32

39
Q

GPM 1 1/2” 100

A

35

40
Q

GPM 1 1/2” 105

A

39

41
Q

GPM 1 1/2” 110

A

43

42
Q

GPM 1 1/2” 115

A

47

43
Q

GPM 1 1/2” 120

A

51

44
Q

GPM 1 1/2” 125

A

55

45
Q

LA Nozzle 200 GPM

A

75 psi

46
Q

LA Nozzle 170 GPM

A

100 psi

47
Q

Orange Elkhart Cheif 250GPM

A

50

48
Q

Orange Elkhart Cheif 200GPM

A

75

49
Q

Forestry Nozzle 23 GPM

A

100

50
Q

Booster Nozzle 40 GPM

A

100

51
Q

Foam Propak 126 GPM

A

100

52
Q

Sprinkler System

A

150psi @ FDC

53
Q

Standpipe

A

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

54
Q

Elkhart Eductor 125 GPM

A

200 Nozzle Pressure

55
Q

7/8” tip GPM Handline

A

161GPM

56
Q

15/16” tip GPM Handline

A

185 GPM

57
Q

1” tip GPM Handline

A

210 GPM

58
Q

1 1/8” tip GPM Handline

A

266 GPM

59
Q

1 1/4” tip GPM Handline

A

328 GPM

60
Q

1 3/8” tip GPM Handline

A

397 GPM

61
Q

1 1/2” tip GPM Handline

A

473 GPM

62
Q

Squares of Common Quantities

1.5

A

2.25

63
Q

Squares of Common Quantities

2.5

A

6.25

64
Q

Squares of Common Quantities

1.25

A

1.5

65
Q

Squares of Common Quantities

3.5

A

12.25

66
Q

Squares of Common Quantities

4.5

A

20.25

67
Q

Squares of Common Quantities

5.5

A

30.25

Fire Engineering (3 decks)

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