Hydraulics Flashcards
0
Q
1 1/4 SS MS GPM
A
400 GPM
1
Q
FL 2 1/2 @ 185 GPM
A
7
2
Q
1 3/8 SS MS GPM
A
500 GPM
3
Q
1 1/2 MS SS GPM
A
600 GPM
4
Q
1 5/8 MS SS GPM
A
700 GPM
5
Q
1 3/4 MS SS GPM
A
800 GPM
6
Q
1 7/8 MS SS GPM
A
900 GPM
7
Q
2 MS SS GPM
A
1000 GPM
8
Q
HR FOG NP
A
75 psi
9
Q
HR FOG GPM
A
125 GPM
10
Q
PDP FORMULA
A
= FL + NP + APP + ELEV
11
Q
FL 2 1/2 @ 200 GPM
A
8
12
Q
FL 2 1/2 @ 300 GPM
A
18
13
Q
4” FL with 400 GPM per 100ft
A
3
14
Q
FL 2 1/2 @ 150 GPM
A
4.5
15
Q
FL 2 1/2 @ 125 GPM
A
3
16
Q
4” FL with 500 GPM per 100ft
A
5
17
Q
Coefficient of friction for 5" 4" 2 1/2 1 3/4 1 1/2 1
A
5=.08 4= .2 2 1/2=2 1 3/4=15 1 1/2=24 1=150
18
Q
H2 standpipe with 2x 150’ 1 3/4 @ 150 GPM
A
156
19
Q
4” FL with 600 GPM per 100ft
A
7
20
Q
1 1/8 SS HL GPM
A
250 GPM
21
Q
FL 2 1/2 @ 250 GPM
A
12.5
22
Q
HL NP SS
A
50
23
Q
MS NP
A
80
24
1 1/4 SS HL GPM
300
25
1" HL GPM
200
26
FL EQUATION
CQ^2L
27
4" FL 1000 GPM PER 100ft
20
28
4" FL 900 GPM PER 100ft
16
29
2 1/2 FOG NP
100
30
2 1/2 FOG GPM
250
31
Automatic NP
100
32
Automatic GPM
150 psi gets 150 GPM
33
MS FOG NP
100
34
1 1/2 FOG NP
100
35
1 1/2 FOG GPM
125
36
HR SS TIP SIZE
15/16 or .93
37
4" FL 800 GPM per 100 ft
13
38
4" FL 700 GPM per 100 ft
10
39
Elevation pressure
1/2 pound per foot or 5 pounds per floor
40
Discharge formula for circular openings
GPM=30 x D^2 x (SQ P) x F
41
Factors for
Open butt
Sprinklers
Hydrant
90%
80%
90%
42
One cubic foot of water weight
62.5 lbs
43
Gallons in one cubic foot of water
7.5
44
Cubic inches in one gallon of water
231
45
One gallon of water weight
8.3 lbs
46
Cubic triangle volume
(Base x height x depth)/2
47
Volume of cylinder
.7854 x diameter^2 x Height
48
Surface area circle
.7854 x Diameter^2
49
Finding pressure where height is known
= .434 x height
50
Finding height where pressure is known
Height= 2.3 x pressure
51
Nozzle reaction
1.57 x D^2 x NP
52
Field ground nozzle reaction fog nozzle
NR= .5 x GPM
53
Nozzle reaction solid stream HL and MS
Handline. NR=80 x D^2
| Master. NR=125 x D^2
54
Ladder appliance pressure
40
55
Pump to pump pressure
20
56
Stang gun pressure
25
57
Foam educator NP
200
58
High rise fog and SS @ 50 psi
100 psi
59
High rise appliance SS @ 60 psi
120
60
High rise appliance SS @65 psi
130
61
High rise fog how much additional psi per 50ft
12
62
Foam educator GPM
95
63
Gated wye appliance psi
Over 350 add 10 psi
64
Hydrocarbon foam concentration, finished foam, foam solution, raw foam
3%
.1 gal per square ft
Sq ft x coverage
Concentration x foam solution
65
Alcohol foam concentration, coverage of finished foam, foam solution, raw foam
6%
.25 gal per sq ft
S ft x coverage
Concentration x foam solution
66
Field ground fire flow formula
(Length x width)/3= GPM
67
Pump standards for 150, 165, 200, 250 psi
100
100
70%
50%
68
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Max hose pressure
1 3/4
2 1/2
4 rubber
4 jacketed
```
250
250
185
185
