Pumps Chapter 3 Flashcards
From the Pump Manual:
The formula for calculation Engine Pressure (E.P.) is __________.
E.P. = N.P. + F.L. +/- E.
From the Pump Manual:
What unit of measure is Engine Pressure (E.P.) calculated?
PSI, pounds per square inch
From the Pump Manual:
What does N.P. stand for in the Engine Pressure formula?
Nozzle Pressure, for the appliance used
From the Pump Manual:
What does F.L. stand for in the Engine Pressure formula?
Friction Loss, allowance in the hose line or lines supplying the appliance or assembly plus any allowance for friction loss in the appliance, assembly, or standpipe
From the Pump Manual:
What does E. stand for in the Engine Pressure formula?
Elevation, allowance due to the location of the nozzle in relation to the pump
From the Pump Manual:
What length of hose is friction loss provided for in charts?
100 feet of hose
From the Pump Manual:
_______ pounds shall be ______for each foot of elevation that the nozzle is above the level of the pump.
one half (1/2) pound, added
From the Pump Manual:
_______ pounds shall be ______for each foot of elevation that the nozzle is below the level of the pump.
one half (1/2) pound, deducted
From the Pump Manual:
_______ pounds shall be added/subtracted for each story above/below the level of the pump.
Five (5)
From the Pump Manual:
When calculating elevation for the ladder pipe, _________________________ shall be used as the basis for calculation.
the extension of the ladder
From the Pump Manual:
When there are more than two pumpers in line, an allowance of ___________ for this intake pressure is suitable.
20 pounds
From the Pump Manual:
What is the pump pressure relay formula?
E.P. = 20 + F.L. +/- E.
From the Pump Manual:
Maximum layout is the distance that the pump can supply the proper __________ and __________ for efficient operation
pressure, gallonage
From the Pump Manual:
Hose is tested at __________ psi.
200
From the Pump Manual:
1250 or 1500 GPM pump is most efficient at capacity with __________ psi discharge.
150
From the Pump Manual:
When pumping the capacity of the pump, the maximum layout for a 1250 GPM pumplaying dual 3” lines is ________ feet.
350
From the Pump Manual:
When pumping the capacity of the pump, the maximum layout for a 1500 GPM pump laying dual 3” lines is ________ feet.
250
From the Pump Manual:
When pumping the capacity of the pump, the maximum layout for a 1250 GPM pumplaying a 3” / 4”line is ________ feet.
800
From the Pump Manual:
When pumping the capacity of the pump, the maximum layout for a 1500 GPM pumplaying dual 3”/ 4” lines is ________ feet.
600
From the Pump Manual:
Using a two pump operation, ________ pounds of pressure is used by the pumper at the source of supply.
125
From the Pump Manual:
The maximum operating pressure shall be ________ PSI and layouts shall be controlled so that no pumper will be required to operate above this pressure.
300
From the Pump Manual:
Where two or more pumping apparatus are supplying water to a heavy duty device or relaying water, each pumper shall deliver a proportional share of water based on _________________________.
the number of lines each pumper is supplying
From the Pump Manual:
1 1/2” w/ fog nozzle (CVFSS): nozzle pressure, GPM and friction loss
75 psi, 125 GPM, 40 psi/100 ft
From the Pump Manual:
1 1/2” cut off w/ 7/8” smooth bore: nozzle pressure, GPM and friction loss
50 psi, 160 GPM, 60 psi/100 ft
From the Pump Manual:
1 1/2” cut off w/ 15/16” smooth bore: nozzle pressure, GPM and friction loss
50 psi, 180 GPM, 75 psi/100 ft
From the Pump Manual:
Provide the GPMs for the following smooth bore tips: 1”, 1 1/8” and 1 1/4”.
210 GPM, 265 GPM, 325 GPM
From the Pump Manual:
What is the nozzle pressure for the following smooth bore tips: 1”, 1 1/8” and 1 1/4”?
50 psi
From the Pump Manual:
What is the nozzle pressure for the following smooth bore tips: 1 3/8”, 1 1/2”, 1 5/8”, 1 3/4” and 2”?
80 psi
From the Pump Manual:
What is the GPM for the following smooth bore tips: 1 3/8”, 1 1/2”, 1 5/8”, 1 3/4” and 2”?
500 GPM, 600 GPM, 700 GPM, 800 GPM, 1000 GPM
From the Pump Manual:
What is the friction loss for the cellar pipe?
50 psi
From the Pump Manual:
What is the friction loss for the ladder pipe assembly (siamese, 100’ of 3”, ladder, pipe)?
50 psi
From the Pump Manual:
What is the friction loss for a standpipe connection?
25 psi
From the Pump Manual:
What is the friction loss for a monitor nozzle or wagon pipe?
20 psi
From the Pump Manual:
What is the engine pressure for pumping a sprinkler system?
125 psi, unless otherwise ordered
From the Pump Manual:
What is the engine pressure for pumping a combination sprinkler/standpipe system?
175 psi, until notified that a higher pressure is needed
From the Pump Manual:
In a Metro standpipe system, it may take up to ______ minutes to expel air from the system.
five (5)
From the Pump Manual:
<p>
\_\_\_\_\_\_\_\_ and \_\_\_\_\_\_\_\_\_ are available on a plate attached to the standpipe system riser connection to assist in calculating friction loss.</p>
<p>
| Elevation and length of systems run</p>
From the Pump Manual:
Elevation and length of systems run are available on a plate attached to the ______________________.
standpipe system riser
From the Pump Manual:
When filling a Metro standpipe system, _______ pressure should be used.
hydrant
From the Pump Manual:
When the eductor is placed in service, the pressure should be _________ psi and the length of line limited to _________ feet.
200 psi, 200 feet
From the Pump Manual:
To function properly in the foam position, the eductor requres a flow of atleast _________ GPM.
95 GPM
