Driver Pump Operator Flashcards
What is the equation for Gallons per minute
(29.7)(D^2)(sq.r NP)
What is the equation for Friction Loss
(Coefficient)(Quantity^2)(Length)
100
What is the GPM from a Red Hydrant
< 500 GPM
What is the GPM from a Orange hydrant
500-1000 GPM
What is the GPM from a Green hydrant
1000 - 1500 GPM
What is the GPM from a Blue hydrant
> 1500
What is the equation for like volumes
(Static - Residual)100
Static
How many “like” volumes can be used if you have used 10% of available hydrant pressure
3
What is the PSI loss/gain do to elevation
5PSI per 10ft / per floor
What is the friction loss for appliances if flowing less then 350 gpm
< 350 = 0
What is the GPM for a 3/4” tip
100 GPM
What is the GPM for a 7/8” tip
150 GPM
What is the GPM for a 15/16” tip
185 GPM
What is the GPM for a 1” tip
200 GPM
What is the GPM for a 1 1/8” tip
250 GPM
What is the GPM for a 1 1/4” tip
300 GPM
What is the GPM for a 1 1/4” tip (Master Stream)
400 GPM
What is the GPM for a 1 3/8” tip
500 GPM
What is the GPM for a 1 1/2” tip
600 GPM
What is the GPM for a 1 5/8” tip
700 GPM
What is the GPM for a 1 3/4” tip
800 GPM
What is the GPM for a 1 7/8” tip
900 GPM
What is the GPM for a 2” tip
1000 GPM
What is the GPM for a 1 1/2’ fog nozzle
125 GPM
What is the GPM for a 1 3/4” fog nozzle
150 GPM
What is the GPM for a 2 1/2” fog nozzle
250 GPM
Define type 1 construction
Fire Resistive
Define type 2 construction
Non Cumbustable
Define type 3 construction
Ordinary
Define type 4 construction
Heavy timber
Define type 5 construction
Light weight
What is the coefficient for 1 1/2” hose
25
What is the coefficient for 1 3/4” hose
15
What is the coefficient for 2” hose
8
What is the coefficient for 2 1/2” hose
2
What is the coefficient for 3” hose
.8
What is the coefficient for 4” hose
.2
What is the coefficient for 5” hose
.08
What is the square root for 50psi
7
What is the square root for 80psi
9
What is the square root for 100psi
10
Describe 3/4” as a decimal
.75
Describe 7/8” as a decimal
.875
Describe 15/16” as a decimal
.95
Describe 1 1/8 as a decimal
1.125
Describe 1 1/4” as a decimal
1.25
Describe 1 3/8” as a decimal
1.375
Describe 1 1/2” as a decimal
1.5
Describe 1 5/8 as a decimal
1.625
Describe 1 3/4 as a decimal
1.75
Describe 1 7/8 as a decimal
1.875
How many gallons are in 1 Cubic Ft
7.5 gal
How much does 1 cubic ft of water weigh
62.5 lbs
How many gallons are in a 100’ section of 1 3/4”
12.5gal
How many gallons are in a 100’ section of 2 1/2”
25.5gal
How many gallons are in a 100’ section of 3”
36.6gal
How many gallons are in a 100’ section of 4”
62 gal
What is the appropriate psi for hand line smooth bore tips
50 psi
What is the alternate psi for hand line smooth bore tips for greater GPM
60 psi
What is the appropriate psi for master stream smooth bore tips
80 psi
What is the alternate psi for master stream smooth bore tips for greater GPM
100 psi
what is the maximum safe pump discharge pressure
250 psi
what is the minimum residual pressure when supplying another pumper
20 psi
what is the starting pressure for a Fire Department Connection
150 psi
what is the minimum residual psi when receiving water from a hydrant
10 psi
what is the starting psi when pumping in a relay
50 psi
what should your engine rpm be when starting a draft
1000-1200 RPM
what is the maximum dependable lift when pulling a draft
20’ - 25’
while using an inline foam eductor what should the psi be at the eductor
200psi
How far from the foam eductor should the nozzle be when using 1 1/2” hand line
200’
How far from the foam eductor should the nozzle be when using a 1 3/4” hand line
350’
What is the friction loss for appliances if flowing more then 350 gpm
> 350 = 10 psi
What is the friction loss for a master stream
25 psi
How many “like” volumes can be used if you have used 15% of available hydrant pressure
2
How many “like” volumes can be used if you have used 25% of available hydrant pressure
1
How many “like” volumes can be used if you have used > 25% of available hydrant pressure
0
