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2018 App Test > Math > Flashcards

Flashcards in Math Deck (28):
1

1.75 square

3.0625

2

1.5 square

2.25

3

1.25 square

1.5625

4

1.25 inch smooth bore flows?

328 or 325gpm

5

Coefficient for 4"

.2

6

Coefficient for 1.88 or ffx attack line

10

7

Gpm of standard crosslay nozzles

175gpm at 50psi

8

15/16" smooth bore flows?

185gpm

9

1.125 or 11/8th inch smooth bore flows?

266 or 250gpm

10

1.25 master stream smooth bore flows?

415 or 400gpm

11

1 3/8th inch master stream smooth bore?

502 or 500gpm

12

1.50inch smooth bore master stream flows?

598 or 600gpm

13

1.75inch sb master stream flows?

813 or 800gpm

14

This smooth bore master stream nozzle flows 1063 or 1000gpm?

2 inch

15

Mercury Monitor flow and Psi

500gpm max flow...150psi starting pressure. 100psi fog tio, 80 psi smooth bore.

16

Coefficient for 2 inch

2

17

Coefficient for 3"

.8

18

Appliance loss for a master stream?

25psi

19

Add 10 psi to your friction loss calculations for flows of what gpm?

Over 350 gpm

20

When flowing under 350gpm how much friction loss must you add for the GPM?

Zero

21

Elevation psi at a high rise?

.5psi per floor above the connection

22

Starting pressure for standpipe or sprinkler system?

150Psi

23

Appliance loss for a ladder pipe?

25psi

24

Coefficient for dual 3"lines

0.2

25

Coefficient for one 4" and one 3" line?

0.09

26

Coefficient for dual 4" lines?

0.05

27

Like volumes Formula

Percentage Drop=(sp-rp)100/sp

28

Percentage Drop:
0-10%
11-15%
16-25%
Greater than 25%

3 times original amount
2 times
1 times
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