Hydraulics Flashcards
Bumper line 100’
80psi
Bumper line 150’
95psi
250’ crosslay
125psi
200’ crosslay
110psi
250’ crosslay with 15/16 slug
135psi
200’ crosslay with 15/16 slug
118PSI
Starting pressure for aerial
150psi
Starting pressure for standpipe
150psi
Starting pressure for sprinkler/ combo system
150psi
Starting pressure for Relay operations
50psi
Appliance loss for flows over 350GPM
10psi
Appliance loss for mercury monitor
10psi
Appliance loss for Ladder Pipe
25psi
Appliance loss for standpipes
25psi
Appliance loss for Tower Siamese/ Gated Wye
10psi
300’
140psi
400’
170psi
Deckgun 500GPM
90psi
Deckgun 750GPM
110psi
Deckgun 1000GPM
120PSI
Deckgun 1250GPM
140psi
Max inlet pressure for mercury monitor
150psi
1 1/8 tip theoretical/street
266/250gpm
1 1/4 tip theoretical/Street
328/325gpm
1 3/8 theoretical/street
502/500gpm
1 3/4 theoretical/street
814/800 GPM
2 theoretical/ street
1063/1000
Weight of one gallon of fresh water
8.33 lbs
Rectangular containers formula
LxWxD (7.5gallons or 62.5 pounds)
Cylindrical containers formula
3.14xr2xH x (7.5gallons or 62.5pounds)
Formula for smoothbore nozzle flow
29.7 x D2x square root nozzle pressure
Square root of 50
7.07
Square root of 80
8.94
Square root of 100
10
50’ of 1.88
7.20 gallons
50 of 2.5
12.74 gallons
50’ of 3
18.35gallons
100’ of 4”
65.25 gallons
Nozzle pressure for hand lines
50psi
Nozzle pressure for smoothbore master streams
80psi
Nozzle pressure for master stream fog
100psi
Front intake soft sleeve hose
20 feet of 5 “
Side LDH length
50 feet
Rear LDH length
25 feet
Minimum amount of 4” / amount on E425
1000’/1200’
Minimum amount of 3”/amount on E425
500/600
JS-10
100GPM @ 100 Psi
1 3\4 theoretical/street
814/800 gpm
FL for 3” for MM
20psi per 100’
Friction loss per 100 feet for 185GPM
34PSI
Mercury monitor fog nozzle
100’ of 3”
130psi
Mercury monitor
150’ of 3” fog nozzle
140psi
Mercury monitor
Fog nozzle
200’ of 3”
150psi
Mercury monitor
100’ of 3” smooth bore
110psi
Mercury monitor
150’ of 3”
Smoothbore
120psi
Mercury monitor
200’ of 3”smoothbore
130psi
How many Intakes
4 Rear- 6to4 Side -6to4 Side - Aux 2.5 Front 6to5
How many Large Discharges
2
Rear
Side
250 blitz with 1 1/8
80
250 blitz with 1 1/4
100
200 blitz with 1 1/8
75
200 blitz with 1 1/4
90