21 - FFx County Hydraulics Manual Flashcards
(320 cards)
1
Q
What is the formula to find the nozzle discharge from a smooth bore nozzle?
A
29.7xD^2x√NP
2
Q
What is the formula to calculate nozzle reaction from a smooth bore?
A
1.57xD^2xNP
3
Q
What is the formula to calculate nozzle reaction for a fog stream nozzle?
A
.0505xQx√NP
4
Q
A column of water 1’ high exerts a pressure of what at its base?
A
.434 psi
5
Q
Smooth bore handline pressure can be increased to what PSI for a higher flow?
A
65 psi
6
Q
How many GPM does a handline tip size of 1 1/4” flow? (Theoretical)
A
328 gpm
7
Q
How many GPM does a master stream flow with a tip size of 1 3/8”? (Theoretical?
A
502 gpm
8
Q
The 2 1/2” cellar nozzle flows how many GPM and at what PSI?
A
350 gpm, 100 psi
9
Q
What is the tip size of the smooth bore nozzle used on the Akron Quick-Attack Mercury Monitor?
A
1 3/8”
10
Q
What is the maximum inlet pressure for the Mercury Monitor?
A
150 psi
11
Q
Below what GPM is there no appliance loss?
A
350 gpm
12
Q
What is the maximum safe PDP?
A
250 psi
13
Q
How many GPM does a hadline tip size of 7/8” flow? (Theoretical)
A
161 gpm
14
Q
At what PSI and how many GPM does the JS-10 nozzle flow?
A
100 psi, 100 gpm
15
Q
The Portable Foam Eductor must be placed how many feet from the pump panel and within how many feet of the nozzle?
A
50’, 200’
16
Q
When using CAFS, the amount of water required to create an effective stream is decreased by?
A
25%
17
Q
Most Fairfax County pumpers are rated at what GPM at 150 psi?
A
1500 gpm
18
Q
What is the coefficient for using one 4” and one 3” line?
A
0.09
19
Q
When drafting, what is the RPM range to set at the pump panel?
A
1000-1200 RPM
20
Q
What intake is best used during drafting operations?
A
Side intake
21
Q
How many gallons does one cubic foot contain?
A
7.5 gal
22
Q
How much pressure does a column of 1 foot of water exert?
A
.434 psi
23
Q
How much water does a 50’ section of 1.88” hose contain?
A
7.2 gal
24
Q
What is the term to describe the water pressure due to elevation?
A
Head pressure
25
What is the formual to determine the volume of a rectangular/square shaped container?
L X W X D X 7.5gal
26
What is the formula to determine the volume of a cylindrical shape?
3.14 X r^2 X H X7.5 gal
27
What is the formula to determine the discharge of a smooth bore nozzle?
29.7X d^2 X sqrt(NP)
28
What is the theoretical calculation gpms of an 1 1/4" smooth bore nozzle being flowed at 50psi?
328 gpm
29
What is the fireground gpms for an 1 3/4" smooth bore nozzle being flowed at 80psi?
800 gpm
30
What is the range of GPMs the 2 1/2" Akron Assault Fog Nozzle can deliver?
125-250 gpm
31
How many gallons are delivered and at what nozzle pressure does the booster reel operate at?
12-60gpm, 100psi
32
How many gallons are delivered and at what psi is the decon shower operated at?
270 gpm, 75 psi
33
How many gallons are delivered and at what psi is the piercing nozzle operated at?
125 gpm, 100 psi
34
What is the first principle of friction loss?
Friction loss varies directly with the length of hose or pipe
35
What is the fourth principle of friction loss?
Friction loss is independent of pressure
36
What rating does the JS-10 nozzle have and what is the nozzle pressure?
100 gpm, 100 psi
37
How far away must the foam eductor be placed away from the pump panel?
50'
38
What is the coefficient used for supplyu using 3" and 4"?
0.09
39
If there is a 14% drop from static to residual pressure, how many like volumes are left?
2 times the original amount
40
What is the minimum type of supply line to be used for an elevated master stream?
One LDH or two 3"
41
Theoretic GPM for 1/2" tip on a handline
53
42
Theoretical GPM for a 7/8" tip on a handline
161
43
Theoretical GPM for a 15/16" tip on a handline
185
44
Theoretical GPM for a 1" tip on a handline
210
45
Theoretical GPM for a 1 1/8" tip on a handline
266
46
Theoretical GPM for a 1 1/4" tip on a handline
328
47
Formula for determining volume for a rectangular or square shaped container
L’ x W’ x D’ x 7.5
48
The formula to determine the volume of a cylinder, pipe, or hose in gallons
π x r2 x H’ (or L’) x 7.5
49
Formula for determining the flow from a smooth bore nozzle
gpm = 29.7 x d2 x Sq Rt NP
50
Theoretical GPMs for a 1 1/4" tip on a master stream
415
51
Theoretical GPMs for a 1 3/8" tip on a master stream
502
52
Theoretical GPMs for a 1 1/2" tip on a master stream
598
53
Theoretical GPMs for a 1 3/4" tip on a master stream
814
54
Theoretical GPMs for a 2" tip on a master stream
1062
55
The Decon shower flows 270 GPM at how many PSI?
75
56
The piercing nozzle flows 125 GPM at how many PSI?
100
57
The 2 1⁄2” distributer nozzle flows 250 gpm at how many psi?
100
58
The 1 1⁄2” distributer nozzle flows 95 gpm at how many psi?
50
59
The 2 1⁄2” cellar nozzle flows 350 gpm at how many psi?
100
60
The 1 1⁄2” cellar nozzle flows 160 gpm at how many psi?
100
61
What is the study of fluids at rest?
Hydraulics
62
How much does one cubic foot of fresh water weigh?
62.5 pounds
63
How many cubic inches are in one cubic foot?
1,728
64
How much does one gallon of fresh water weigh?
8.33 pounds
65
A 50' length of 1-3/4" hose contains how may gallons of water?
6.24
66
A 50' length of 1.88" hose contains how may gallons of water?
7.2
67
A 50' length of 2-1/2" hose cantains how many gallons of water?
12.74
68
A 50' length of 3" hose contains how many gallons of water?
18.35
69
A 100' length of 4" hose cantains how many gallons of water?
65.25
70
How many GPM do our Akron Assault nozzles flow using the fog tip?
175
71
How many GPM do our Akron Assault nozzles flow using the 15/16" slug?
185
72
What is the nozzle pressure for hand lines with smooth bore nozzles?
50
73
What is the nozzle pressure for master streams with smooth bore nozzles?
80
74
How many GPM does the Akron Quick-Attack Mercury monitor flow?
500
75
What is your appliance loss when flowing less than 350 GPM?
0
76
What number do we use on the fire ground for calculating elevation pressure?
5
77
The Husky Foam Systems are able to inject foam at what percent?
0.1% - 3%
78
What is the starting pressure when using both 3" and 4" supply lines at the same time?
100
79
What limits the maximum amount of water being delivered to the fire scene in a relay operation?
The water source and the pumping capacity of the smallest pumper
80
What is the starting pressure for a standpipe?
150
81
If you are pumping a fog nozzle that is not an Akron Assault, what is the nozzle pressure?
100 psi
82
To achive a higher flow from a smooth bore handline, you should
increase nozzle pressure to 65 psi
83
Pumper discharge pressure is measured in
psi
84
An appliance known as a Siamese does what?
combines two or more hoselines into one
85
When pumping forestry line, the nozzle pressure is
100 psi
86
What accessory flows 270 gpm at 75 psi?
decon shower
87
What size smooth bore tip is on the Mercury Monitor?
1.375"
88
You are pumping the Mercury Monitor with a fog nozzle, you are asked to increase the pressure, what is the max pressure you can increase to?
150 psi
89
What is the friction loss for a gated wye flowing 300 gpm?
0
90
The county's foam eductor is required to be how close to the nozzle?
200 feet
91
To avoid air build up in a hoseline while using CAFS, what must be done?
bale slightly open at all times
92
What hose line combination have the same friction loss as one 4"?
dual 3"
93
What building system is to be charged only when confirmation of fire or smoke/fire showing?
sprinkler
94
When operating as a relay pumper, what pressure can your pump be operated in without being in gear?
50 psi or less
95
If 3" and 4" hoses are being used for supply, what is the starting pressure?
100 psi
96
As water leaves the nozzle under pressure it causes a force in opposite direction, which is called?
nozzle reaction
97
The formula for determining volume of water in a rectangular or square container is LxWxDx what number?
7.5
98
Pressure created by the velocity of water coming from a discharge is called?
flow pressure
99
One cubic foot of fresh water weighs?
62.5 lbs
100
Master stream fog nozzles have operating range of?
150-2000 gpm
101
How tall of a column exerts the pressure of 1 psi at its base?
2.304'
102
How much does one cubic foot of fresh water weigh?
62.5
103
How much does a 50' section of 3" hose weigh?
18.35
104
What is the starting nozzle pressure for an Akron Assault Nozzle?
50
105
What can the nozzle pressure for master streams with smooth bore nozzles be increased to?
100
106
What does EL stand for when it comes to Hydraulics?
Nothing, the correct abbreviation is EP for elevation pressure
107
What is the formula for determining the volume of a cylinder, pipe, or hose in gallons?
p x r2 x H' x 7.5
108
What is the formula for determining the discharge of a smooth bore nozzle?
gpm = 29.7 x d2 x √NP
109
What is the theoretical gpm for a 1 1/8" handland?
266
110
What is the theoretical gpm for a 1 1/2" master stream?
598
111
What is the theoretical gpm for a 1 3/4'' master stream?
814
112
The 1" adjustable gallonage fog nozzle is an adjustable flow nozzle that can be set to deliver between how many gpm's?
12-60 gpm
113
The 2 1/2" Akron Fog Nozzle is an adjustable flow nozzle that can be set to deliver between how many gpm's?
125-250 gpm
114
What is the gpm that decon showers are capable of flowing?
270 gpm
115
How many gpm does the penetrating nozzle flow at 100 psi
125 gpm
116
The 2 1/2" cellar nozzle flows how many gpm at 100 psi?
250 gpm
117
The 1 1/2" distributer nozzle flows 95 gpm at how much psi?
50 psi
118
What is the proper coefficient regarding friction loss for a 2 1/2" hose?
2
119
At 200 psi the County Portable Foam Eductor has a flow of what?
95-125 gpm
120
Most Fairfax county pumpers are rated at what?
1500 gpm at 150 psi pump pressure
121
A 50' section of 1.88" contains how many gallons of water?
7.2 gallons
122
A column of water 1' high exerts a pressure of what at its base?
0.434 psi
123
What is the maximum pressure that a smoothbore hand line nozzle can be increased to?
65 psi
124
Akron Assault nozzles are designed to operate with what nozzle pressure?
50 psi
125
What is the formula used to calculate smooth bore nozzle discharge?
29.7 x d2 x √NP
126
Using theoretical calculations, a 1 1/8" nozzle flows what gpm?
266 gpm
127
Using fire ground calculations, a 1 3/8" master stream nozzle flows what gpm?
500 gpm
128
The 1" adjustable gallonage nozzle flows between what gpm?
12 to 60 gpm
129
A 2 1/2" distributor nozzle flows what gpm at 100 psi?
250 gpm
130
What is the required pressure for a 1 3/4" break away smooth bore nozzle?
110 psi
131
What is the required pressure when flowing 500 gpms on a Task Force Tip automatic nozzle?
90 psi
132
What is the maximum inlet pressure when using the Mercury Monitor?
150 psi
133
A Mercury Monitor has what size inlet and outlet?
2 1/2"
134
What is the second principle of friction loss?
All variables being the same, the friction loss varies approximately with the square of the increase in the velocity of flow
135
What is the friction loss coefficent for 5" hose?
0.08
136
What is the maximum safe PDP during normal operations?
250 psi
137
The Husky Foam system has a rated capacity of what gpm when flowing this psi
3 gpm at 150 psi
138
All Fairfax County pumpers carry a minimum of what quantity of foam?
40 gallons
139
Most Fairfax County pumpers are rated to flow what gpm at what psi?
1500 gpm at 150 psi
140
Most hydrants in Fairfax County are capable of flowing what quantity of gpms?
1000 gpm
141
What is the study of fluids at rest and in motion?
Hydraulics
142
One cubic foot of fresh water weighs how many pounds?
62.5
143
100' length of 4" hose contains how many gallons of water?
62.25
144
Using theoretical calculations how many GPM flows through a 1" smooth bore nozzle?
210
145
The decontamination shower is used for hazardous materials incidents or to decontaminate firefighting personnel. They flow how many GPM at what PSI?
270 GPM / 75 PSI
146
The friction loss coefficient for 1.75" hose per IFSTA is what?
15.5
147
Over 350 GPM appliance loss is what?
10 PSI
148
A column of water one foot high exerts a pressure of what at its base?
0.434
149
The maximum safe discharge pressure during normal operations is what?
250 PSI
150
The National Foam JS-10 air aspirating nozzle has a rating of what at what psi at the tip?
100 GPM / 100 PSI
151
Fairfax County CAFS pumpers carry a minimum of how many gallons of foam?
40
152
Pierce recommends that CAFS only be used in lines up to what length for maximum effectiveness?
250'
153
If a 4" and a 3" supply line are used together they should be charged to a minimum starting pressure of what?
100 PSI
154
Most Fairfax County pumpers are rated at what GPM at what PSI pump pressure?
1500 GPM / 150 PSI
155
Two 4" supply lines has a coefficient of what?
0.05
156
There are how many factors that will determine the correct PDP when supplying an aerial device?
4
157
The starting pressure for all aerial devices is what?
150 PSI
158
When drafting the driver operator should increase the throttle by what RPM or manufactures recommendation and engage primer?
1000 - 1200 RPM
159
Any time incoming pressure exceeds what, the pump shall be operated in pump gear?
50 PSI
160
For safety reasons, after a water supply has been established, the tank to pump valve shall be?
Closed
161
How much does one cubic foot of fresh water weighs?
62.5 pounds
162
Which 50' section of hose contains 7.20 gallons of water?
1.88 inch
163
To what pressure can a hand line with a smooth bore be increased to achieve a higher flow?
65 psi
164
The rate at which water travels from an orifice and can be measured using a pitot gauge is?
Discharge velocity
165
How can 3 inches be converted into feet?
3"/12"
166
Which of this is the formula to determine volume for a rectangular/square container?
V=LxWxDx7.5
167
What is the formula to find volume of a cylinder?
V=π x r² x h x 7.5
168
What is the weight of water on a flat roof on a townhouse that is 30'L, 20'W and 1 1/2' deep?
56,250 pounds
169
Which formula is used to determine discharge?
29.7 x d² x √np
170
What is the theoretical calculation for 15/16 tip size?
185
171
Which tip is used when 500 gpm are flowing?
1 3/8"
172
This type of adjustable nozzle can be set to deliver 125-250 gpm:
2 1/2" akron fog
173
What nozzle pressure is usually the booster reel operated at?
100 psi
174
Which device flows 270 gpm at 75 psi?
Decon shower
175
What gpm and psi does a 2 1/2" distributor nozzle operate?
250 and 100
176
This monitor is fixed to the pumper but can be detached and connected to a ground mount:
Combination
177
Choose the most accurate about, all variables being the same, friction loss will vary directly with the length of the hose/pipe?
1st principle of friction loss
178
What is the 4th principle of friction loss?
Friction loss is independent of pressure
179
What is the friction loss in 500' of 3" supplying a mercury monitor?
100 psi
180
For how long can the CAFS compressor be operated without overheating?
2 hours
181
One cubic foot contains how many cubic inches?
1728
182
One gallon contains how many cubic inches?
231
183
A 50' length of 1.88" hose contains how many gallons of water?
7.2
184
A 50' length of 3" hose contains how many gallons of water?
18.35
185
Smooth bore handline pressure can be increased to what PSI for a higher flow?
65 psi
186
How many GPM does a handline tip size of 1 1/4" flow? (Theoretical)
328 gpm
187
How many GPM does a master stream flow with a tip size of 1 3/8"? (Theoretical?
502 gpm
188
The 2 1/2" cellar nozzle flows how many GPM and at what PSI?
350 gpm, 100 psi
189
What is the tip size of the smooth bore nozzle used on the Akron Quick-Attack Mercury Monitor?
1 3/8"
190
What is the maximum inlet pressure for the Mercury Monitor?
150 psi
191
What is the term referred to the pressure remaining in a water system when water is flowing?
Residual pressure
192
What is the maximum safe PDP?
250 psi
193
What is the flow of a 1" adjustable gallonage fog nozle?
12-60 GPM
194
Decon showers flow how many GPM's at 75 PSI?
270
195
The 1 1/2" distributer nozzle flows how many GPM at 50 PSI?
95
196
The portable foam eductor flows 95-125 GPM with a pump disharge pressure of what?
200 PSI
197
Most Fairfax County pumpers are rated at what GPM at 150 psi?
1500 gpm
198
What is the coefficient for using one 4" and one 3" line?
0.09
199
When drafting, what is the RPM range to set at the pump panel?
1000-1200 RPM
200
In relay operations, if a 4" and 3" supply line are used together, what should the starting pressure be?
100 PSI
201
One gallon of fresh water weighs how many pounds?
8.33
202
One cubic foot of fresh water weighs how many pounds?
62.5
203
What is the standard nozzle pressure for attack lines in Fairfax County?
50 psi
204
Master streams have a high caliber water flow they are considered to flow over what GPM?
350 gpm
205
The Akron assault nozzles are equipment with a smooth bore slug that flows what?
185 gpm
206
The fairfax County approved decon shower flows what GPM?
270 gpm
207
A 2 1/2 distributor flows what GPM?
250 gpm
208
The 1 1⁄2” cellar nozzle flows what GPM?
160 gpm
209
Task Force Tip automatic nozzle has a max flow of?
1250 gpm
210
Maximum inlet pressure for the Mercury Monitor is?
150 psi
211
What is the coefficient for 3'' hose?
0.8
212
What is the coefficient for dual 3'' lines?
0.2
213
What is the appliance loss used when flowing more then 350 GPM?
10 psi
214
What pressure and what GPM does the JS-10 nozzle use to operate correctly?
100psi/100 gpm
215
Fairfax County Portable Foam Eductor’s flow what GPM?
95 to 125 gpm
216
What is the operating pressure for the in line foam eductor?
200 psi
217
What is the max height the nozzle can be above the in line foam eductor?
5 feet
218
When operating at a fire and using CAFS for is the application rate for Class A foam?
0.30%
219
Pierce recommends that CAFS only be used in lines up to?
250'
220
Combination fire department systems should be flowed at what standard operating pressure?
150 psi
221
How much water is in one cubic foot?
7.5 gallons
222
If a 100' length of 4" hose contains 65.25 gallons of water, how much does that section of hose weigh?
543.53 lbs
223
What type of pump takes advantage of the incoming water pressure?
Centrifugal Pump
224
For each foot of elevation above the pump, the pressure increases by how much?
0.434 psi
225
What is the formula for determining the volume of a rectangular or square shaped container?
L*W*D*7.5
226
How much does one cubic foot of water weigh?
62.5 lbs
227
What is the square root of the nozzle pressure of a master stream smooth bore?
8.94
228
When determining flow from a smooth bore nozzle, what is the mathematical constant derived from a round opening?
29.7
229
What is the operating range of master stream fog nozzles?
150-2000 gpm
230
What is the flow of the decontamination showers used for hazmat incidents?
270 gpm
231
While flowing 125 gpm, what is the nozzle pressure for piercing nozzles?
100 psi
232
What is the maximum inlet pressure for the Mercury Monitor?
150 psi
233
When calculating pump discharge pressure, what is the appliance loss for the Mercury Monitor?
10 psi
234
What does doubling the length of hose do to friction loss?
doubles it
235
When calculating an attack pumpers PDP, what is calculated for Total Pressure Loss (TPL)?
Friction Loss, Appliance Loss, Elevation Pressure
236
What is the purpose of positioning the inline foam eductor 50' from the pumper?
prevent turbulance
237
How long can the CAFS air compressor be operated without overheating?
2 hours
238
When using CAFS, which nozzle creates the best finished foam product for fire attack?
15/16" smooth bore
239
What is the starting pressure for all 4" supply lines when operating in a relay?
50 psi
240
What is the coefficient for dual 4" lines?
0.05
241
what is the rating of JS-10?
100gpm at 100psi
242
what is a JS-10 not equipped with?
a bale
243
how far must a eductor from panel and nozzle, according to the manual?
50ft and 200ft
244
what does cafs stand for?
compressed air foam system
245
what is the minimum starting pressure of 4 inch supply lines should be charged at?
50psi
246
what is the minimum starting pressure of 3 inch supply lines should be charged at?
100psi
247
what should supply pumpers (under normal circumstances ) not do to their discharges?
gate down
248
what does 10% mean using percentage drop for a hydrant ?
3x the amount
249
what the appliance loss for standpipe?
25 psi
250
what starting pressure for sprinkler connections at fdc?
150psi
251
what starting pressure for a combination fdc connection?
150psi
252
who orders do you charge aerial apparatus with water?
aerial driver or officer
253
what must happen after using aerial master stream and lowering?
must open drains or nozzle
254
what rpm does the manufacture recommend for using the primer?
1000-1200rpm
255
what intake should be used for drafting?
side intake
256
how many maximum gpm from drafting does front intake get?
900gpm
257
why does the front intake get the least amount of gpm during drafting?
amount of curves in the piping
258
anytime pressure exceeds 50 psi coming in, what must happen ?
be in pump gear
259
what does a de on shower flow at?
270 gpm at 75 psi
260
what does a piercing nozzle flow at?
125gpm at 100 psi
261
One cubic foot contains
1728 cubic inches
262
One cubic foot contains
7.5 gallons
263
One cubic foot of fresh water weighs
62.5 pounds
264
One gallon contains
231 cubic inches
265
One gallon of fresh water weighs
8.33 lbs
266
A column of water 1’ high exerts a pressure of
0.434 psi at its base
267
A column of water 2.304’ high exerts a pressure of
1 psi at its base
268
50’ length of 1.75” hose contains
6.24 gallons of water
269
50’ length of 1.88” hose contains
7.2 gallons of water
270
50’ length of 2.5” hose contains
12.74 gallons
271
50’ length of 3” hose contains
18.35 gallons
272
100’ length of 4” hose contains
65.25 gallons
273
100’ length of 5” hose contains
101.94 gallons
274
Nozzle pressure for hand lines with smooth bore nozzles is
50 psi
275
Nozzle pressure for master streams with smooth bore nozzles is
80 psi
276
Akron Assault nozzles flow
175 gpm
277
The nozzle pressure for all other fog nozzles is
100 psi
278
The formula for determining volume for a rectangular or square shaped container is: Capacity in gallons
L’ x W’ x D’ x 7.5
279
The formula to determine the volume of a cylinder, pipe, or hose in gallons is: Capacity in gallons
π x r2 x H’ (or L’) x 7.5 gallons
280
Determining the flow from a smooth bore nozzle can be computed by using the formula for gallons per minute when the nozzle pressure is known
29.7 x d2 x sqrt NP
281
When performing fire ground math and a number has multiple numbers after the decimal point, what should you do?
Round up to 2 decimal places
282
The formula for determining volume of a rectangular or square shape is ?
Length x width x depth x 7.5
283
What is the number for π?
3.14
284
What is a hand line PSI?
50
285
What is PSI for a master stream?
80
286
The Mercury Monitor flows how many GPM?
500 GPM
287
Booster reels have a PSI of ?
100
288
What do you pump the forestry hose at?
100 PSI
289
A piercing nozzle is at what GPM and PSI?
125 and 100
290
A cellar nozzle with 2 1/2" hose has a GPM of what?
350
291
What is the appliance loss for a Mercury Monitor?
10
292
Per Fairfax County what is the coefficient for 1 3/4" hose?
10
293
The JS-10 nozzle flows what GPM at what PSI?
100 and 100
294
The foam eductor need to be how far from the pump?
50'
295
What is the PSI of the foam eductor?
200
296
When preparing to draw a prime what should the RPM's be at?
1000 - 1200
297
A column of water 1' high has a pressure of ?
0.434
298
1 cubic foot of water has how many gallons?
7.5
299
A 50' length of 1.88" hose holds how much water?
7.2 Gal
300
What is the GPM that divides hand lines from master streams?
350
301
What is the study of fluids at rest?
Hydraulics
302
How much does one cubic foot of fresh water weigh?
62.5 pounds
303
How many cubic inches are in one cubic foot?
1,728
304
How much does one gallon of fresh water weigh?
8.33 pounds
305
A 50' length of 1-3/4" hose contains how may gallons of water?
6.24
306
A 50' length of 1.88" hose contains how may gallons of water?
7.2
307
A 50' length of 2-1/2" hose cantains how many gallons of water?
12.74
308
A 50' length of 3" hose cantains how many gallons of water?
18.35
309
A 100' length of 4" hose cantains how many gallons of water?
65.25
310
How many GPM do our Akron Assault nozzles flow using the fog tip?
175
311
How many GPM do our Akron Assault nozzles flow using the 15/16" slug?
185
312
What is the nozzle pressure for hand lines with smooth bore nozzles?
50
313
What is the nozzle pressure for master streams with smooth bore nozzles?
80
314
How many GPM does the Akron Quick-Attack Mercury monitor flow?
500
315
What is your appliance loss when flowing less than 350 GPM?
0
316
What number do we use on the fire ground for calculating elevation pressure?
5
317
The Husky Foam Systems are able to inject foam at what percent?
0.1% - 3%
318
What is the starting pressure when using both 3" and 4" supply lines at the same time?
100
319
What limits the maximum amount of water being delivered to the fire scene in a relay operation?
The water source and the pumping capacity of the smallest pumper
320
What is the starting pressure for a standpipe?
150
