

Fire Department Pump Operations
Interactive Video
•
Mathematics, Science, Professional Development
•
10th - 12th Grade
•
Practice Problem
•
Hard
Lucas Foster
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary goal of an engineer on the fire department during a fire scene?
To operate the fire truck efficiently.
To extinguish the fire as quickly as possible.
To ensure the safety of the crew and supply nozzles with appropriate pressure.
To manage the communication between the crew and the headquarters.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which formula is used to calculate friction loss in a hose line?
NR = 1.57 D² NP
GPM = 29.7 D² √NP
FL = C q²L
PDP = NP + FL ± Elevation ± Appliance
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the coefficient value for a two and a half inch hose line?
15.5
1.75
2
0.0505
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you calculate the nozzle reaction for a fog nozzle?
1.57 times the diameter squared times the nozzle pressure
29.7 times D² √NP
0.0505 times Q times the square root of the nozzle pressure
C q²L
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When should you add appliance friction loss?
When the flow is greater than 350 gallons per minute.
When using a fog nozzle.
When the flow is exactly 350 gallons per minute.
When the flow is less than 300 gallons per minute.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the benefit of constant pressure pumping?
It increases the pressure in the hose lines.
It simplifies the calculation of friction loss.
It allows for more water to be pumped.
It reduces the need to adjust the throttle constantly.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What information is needed to use the estimating additional water chart?
Static pressure, residual pressure, and gallons per minute flowing.
Nozzle pressure, friction loss, and elevation gain.
Pump capacity, hose diameter, and water temperature.
Engine RPM, pressure mode, and hose length.
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