Hydraulics Theory Flashcards
50’ length of 1.88” hose contains how many gallons of water?
7.20
50’ length of 2.5” hose contains how many gallons of water?
12.74
50’ length of 3” hose contains how many gallons of water?
18.35
100 ‘ length of 4” hose contains how many gallons of water?
65.25
What is the pressure of the handline smooth bore nozzle?
50 psi (65 psi can be used for higher pressure)
What is the nozzle pressure for the master stream smooth bore?
80 psi (100 psi can be used to achieve higher flow)
For each foot of elevation above the pump. The pressure increase by how many psi?
0.434 psi
A master stream delivers more than how many gallons?
350 gallons
Formula for a rectangle or square
L’ x W’ x D’ x 7.5
1/2” tip size for handline gpm flow.
Fire Ground = 50
Theoretical = 53
7/8” tip size for handline gpm flow.
Fire Ground = 150
Theoretical = 161
15/16” tip size for handline gpm flow.
Fire Ground = 185
Theoretical= 185
1” tip size for handline gpm flow.
Fire Ground = 200
Theoretical = 210
1 1/8” tip size for handline gpm flow.
Fire Ground = 250
Theoretical = 266
1 1/4” tip size for handline gpm flow.
Fire Ground = 325
Theoretical = 328
1 1/4” tip size for master stream gpm flow.
Fire Ground = 400
Theoretical = 415
1 3/8” tip size for master stream gpm flow.
Fire Ground = 500
Theoretical = 502
1 1/2” tip size for master stream gpm flow.
Fire Ground = 600
Theoretical = 598
1 3/4” tip size for master stream gpm flow.
Theoretical = 814
Fire Ground = 800
2” tip size for master stream gpm flow.
Fire Ground = 1000
Theoretical = 1062
The 1 1/2” Akron Assault nozzle flows how many gallons per minute?
175 gpm
The 2 1/2” Akron fog nozzle is and adjustable flow nozzle that can flow how many gpm?
125-250 gpm
The Akron mercury monitor flows how many gpm?
500 gpm