Nozzletopia
Pressure Calculations
Greater Pressure Calculations
Friction Loss
Coefficients
Chapter 8 is Great!
200

A nozzle that allows the FF to select the flow rate to suite fire conditions:

What is a Selectable Gallonage Nozzle?

200

When finding for "Q", divide your ______ by 100.

What is GPM (Gallons Per Minute)?

200

A Driver would add an EP of _______ psi for a hoseline operating 50 feet above the pump discharge.

What is 25?   EP = .5H

200

2 1/2 Inch Hoseline

What is 2?

200

Two types of Flowmeters:

What are Paddlewheel and Spring Probe?

400
Solid Stream nozzles are designed so the water flowing through the nozzle is gradually __________ until just before the orafice.

What is Reduced?

400

When flowing to multiple wyed hoselines, calculate pump discharge pressure for ________ line(s).

What is Only One Line?

400

Multi-story structures are estimated to be _______ feet per story.

What are 10 Feet?

400

3 Inch Hoseline with 2 1/2 Inch Couplings

What is 0.8?

400

When calculating Friction Loss w/Condensed Q on 5 Inch hose, divide Q2 by ________?

What is 15?

600

Maximum flow rate from a handline nozzle:

What is 350 gpm?

600

What is the formula for calculating Net Pump Discharge Pressure (NPDP)?

What is NPDP = PDP (Pump Discharge Pressure) Minus Intake Pressure?

600

What is the additional pressure loss of water flowing through an appliance (>350gpm) and then up a ladder 20 feet?

What is 20psi? (10 for Appliance and 10 for EP)

600
A 5 Inch Standpipe

What is 0.126?

600

Estimate FL for GPM Flowing 220gpm per 100ft of 2 1/2 inch hose.

What is 12?  (GPM Minus 10)

800

A ______ Fog pattern is considered to be 14 to 45 degrees wide:

What is a Narrow Fog Pattern?

800

An Appliance flowing greater than 350 gpm will cause a friction loss of ________ psi.

What is 10?

800

Head pressure gain for a nozzle operating in a gully 80 feet below the pumper would be?

What is 40psi? EP = .5H Gained

800

1 3/4 Inch Hoseline

What is 15.5?

800

Condensed Q (FL=Q2) can be utilized on hoses that are ______ Inches in diameter.

What is 3, 4, or 5?

1000

A type of fog nozzle that breaks water into fine, evenly divided particles.

What is an Impinging Stream Nozzle?

1000

An appliance that merges 2 or more supply lines into 1 line:

What is a Siamese or a Manifold?

1000
What is the approximate gpm flowing from a smooth bore nozzle with a 1" tip?

What is 209.9 gpm or 210 gpm?

1000

5 Inch Hoseline

What is 0.08?

1000

When calculating Friction Loss w/Condensed Q on 4 Inch hose, divide Q2 by ________?

What is 5?

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