SBC Hydraulics Chart

Question 1

Friction loss coefficient 1”

Answer 1

150

Question 2

Friction loss coefficient 1 1/2”

Answer 2

24

Question 3

Friction loss coefficient 1 3/4”

Answer 3

15.5

Question 4

Friction loss coefficient 2 1/2”

Answer 4

2

Question 5

Friction loss coefficient 3”

Answer 5

0.8

Question 6

Friction loss coefficient 4”

Answer 6

0.2

Question 7

IOP Highway line and Blitz

Answer 7

125psi

Question 8

IOP Pre-connect cross-lay

Answer 8

150psi

Question 9

IOP Blitz with 1 Wye line

Answer 9

130

Question 10

IOP Blitz with 2 Wye lines

Answer 10

150

Question 11

IOP sprinkler system @ FDC

Answer 11

150

Question 12

IOP if not listed above

Answer 12

125

Question 13

Friction loss for Standpipe

Answer 13

25 psi + elevation FL

Question 14

Friction loss for portable monitor

Answer 14

15 psi

Question 15

Friction loss for 4 way valve

Answer 15

15 psi

Question 16

Friction loss for Wye or Siamese

Answer 16

0 psi

Question 17

Available hydrant flow minimums

Answer 17

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

Question 18

GPM for smoothbore monitor 1 3/8”

Answer 18

500 GPM

Question 19

GPM for smoothbore monitor 1 1/2”

Answer 19

600 GPM

Question 20

GPM for smoothbore monitor 1 3/4”

Answer 20

800 GPM

Question 21

GPM for smoothbore monitor 2”

Answer 21

1000 GPM

Question 22

How many gallons per cubic foot of water

Answer 22

7.5 gallons

Question 23

How many pounds per cubic foot of water

Answer 23

62.5 pounds

Question 24

How many pounds per gallon of water

Answer 24

8.35 pounds

Question 25

How many cubic inches per gallon of water

Answer 25

231 cubic inches

Question 26

1 pound of pressure will raise water how many feet

Answer 26

2.31 feet

Question 27

____ pound will raise _____ foot

Answer 27

.434 1 foot

Question 28

Formula for volume of a rectangle

Answer 28

C= LWH(7.5) C is capacity in gallons

Question 29

Formula for volume of a cylinder

Answer 29

C=6(D squared)H C is capacity in gallons

Question 30

Friction Loss formula

Answer 30

FL=C(Q/100)squared(L/100) FL=Coefficient (GPM/100)squared(Length/100)