Hydralics

Question 0

Area of rectangle

Answer 0

Length x Width

Question 1

Area of square

Answer 1

Side x Side

Question 2

Area of triangle

Answer 2

     2

Question 3

Area of a circle

Answer 3

.7854 x Diameter

Question 4

Volume of a square

Answer 4

Side x Side x Side

Question 5

Volume of a rectangle

Answer 5

Length x Width x Height

Question 6

Volume of a triangle

Answer 6

               2

Question 7

Volume of a circle

Answer 7

.7854 x Diameter x Height

Question 8

One falling of water = ? Pounds

Answer 8

8.3 pounds

Question 9

One Gallon of water = ? Cubic inches

Answer 9

231 cubic inches

Question 10

One foot = ? Inches

Answer 10

12 inches

Question 11

One square foot = ? Square inches

Answer 11

144 square inches

Question 12

One cubic foot = ? Cubic inches

Answer 12

1728 cubic inches

Question 13

One cubic foot of water = ? Gallons

Answer 13

7.5 gallons

Question 14

One cubic foot of water = ? Pounds

Answer 14

62.5 pounds

Question 15

One ton = ? Pounds

Answer 15

2000 pounds

Question 16

Define Elevation Pressure

Answer 16

Pump pressure adjustment due to elevation gain or loss

Question 17

Finding pressures where height is known

Answer 17

Pressure = .434 x height (in feet)

Question 18

Finding height where pressure is known

Answer 18

Height = 2.3 x pressure

Question 19

Field calculation

Elevation Pressure?

Answer 19

Elevation pressure=1/2 pound per foot

Elevation pressure=5 pounds x # of floors (stories) - 1 floor

Question 20

Define static pressure

Answer 20

Intake pressure of water when no water is flowing

Stored hydrant pressure

Question 21

Define residual pressure

Answer 21

Intake pressure of water after flowing water out of pump

Question 22

Define flow pressure

Answer 22

Pressure of water when in motion or flowing from pump

Question 23

Solid stream hand lines pressure?

Answer 23

50psi (flows less than 350gmp)

Question 24

Solid stream master streams pressure?

Answer 24

80psi (flows 400 gmp or greater)

Question 25

Fog nozzle pressure

Answer 25

100 psi (regardless if gpm)

Question 26

High rise nozzle pressure? - fog tip? - solid stream?

Answer 26

Fog tip = 75psi | Solid stream = 50, 60, or 65 psi

Question 27

Formula for pump discharge pressure?

Answer 27

PDP= NP + FL + APP +\- EP

Question 28

Discharge or circular openings?

Answer 28

GPM = 30 x D x ✔️P ``` GPM= gallons per minute D= opening diameter in inches 30= constant P= pressure F= factors ```

Question 29

Appliances & pressure

Answer 29

Ladder =Pressure loss 40psi Stang gun = pressure loss 15psi Pump to pump = additional pressure 20psi

Question 30

High rise pack fog (100' 1 3/4" hose) How much for each additional 50ft of hose?

Answer 30

100psi Add 30psi each additional 50ft of hose

Question 31

High rise pack 15/16" tip 50psi NP

Answer 31

100psi

Question 32

High rise pack 15/16" tip 60psi NP

Answer 32

120psi

Question 33

High rise pack 15/16" tip 65psi NP

Answer 33

130 psi