SBC Hydraulics Chart Flashcards

1
Q

Friction loss coefficient 1”

A

150

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2
Q

Friction loss coefficient 1 1/2”

A

24

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3
Q

Friction loss coefficient 1 3/4”

A

15.5

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4
Q

Friction loss coefficient 2 1/2”

A

2

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5
Q

Friction loss coefficient 3”

A

0.8

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6
Q

Friction loss coefficient 4”

A

0.2

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7
Q

IOP Highway line and Blitz

A

125psi

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8
Q

IOP Pre-connect cross-lay

A

150psi

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9
Q

IOP Blitz with 1 Wye line

A

130

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10
Q

IOP Blitz with 2 Wye lines

A

150

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11
Q

IOP sprinkler system @ FDC

A

150

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12
Q

IOP if not listed above

A

125

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13
Q

Friction loss for Standpipe

A

25 psi + elevation FL

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14
Q

Friction loss for portable monitor

A

15 psi

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15
Q

Friction loss for 4 way valve

A

15 psi

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16
Q

Friction loss for Wye or Siamese

A

0 psi

17
Q

Available hydrant flow minimums

A

Keeping 5 psi on compound
10% or less= 3 like GPM
11%-15%= 2 like GPM
16%-25%= 1 like GPM
25% or greater= possibly less GPM

18
Q

GPM for smoothbore monitor 1 3/8”

A

500 GPM

19
Q

GPM for smoothbore monitor 1 1/2”

A

600 GPM

20
Q

GPM for smoothbore monitor 1 3/4”

A

800 GPM

21
Q

GPM for smoothbore monitor 2”

A

1000 GPM

22
Q

How many gallons per cubic foot of water

A

7.5 gallons

23
Q

How many pounds per cubic foot of water

A

62.5 pounds

24
Q

How many pounds per gallon of water

A

8.35 pounds

25
Q

How many cubic inches per gallon of water

A

231 cubic inches

26
Q

1 pound of pressure will raise water how many feet

A

2.31 feet

27
Q

____ pound will raise _____ foot

A

.434

1 foot

28
Q

Formula for volume of a rectangle

A

C= LWH(7.5)

C is capacity in gallons

29
Q

Formula for volume of a cylinder

A

C=6(D squared)H

C is capacity in gallons

30
Q

Friction Loss formula

A

FL=C(Q/100)squared(L/100)

FL=Coefficient (GPM/100)squared(Length/100)