Podcast
Questions and Answers
What GPM does the 1 1/8" tip deliver?
What GPM does the 1 1/8" tip deliver?
- 245 GPM
- 265 GPM (correct)
- 275 GPM
- 255 GPM
Where is the 1 1/4" tip located?
Where is the 1 1/4" tip located?
- On the Booster Line
- On the Denver Bundles
- On the Blitz Line (correct)
- On the Trash Line
What GPM does the Chief 175 GPM Fog Nozzle deliver at 50 psi?
What GPM does the Chief 175 GPM Fog Nozzle deliver at 50 psi?
- 150 GPM
- 200 GPM
- 225 GPM
- 175 GPM (correct)
For what purpose is the Chief 175 GPM Fog Nozzle NOT utilized?
For what purpose is the Chief 175 GPM Fog Nozzle NOT utilized?
What is the inlet size of the Chief 250 GPM Fog Nozzle?
What is the inlet size of the Chief 250 GPM Fog Nozzle?
What is the flow rate of the 7/8" tip?
What is the flow rate of the 7/8" tip?
What is the inlet size of the 2 1/2" shut-off?
What is the inlet size of the 2 1/2" shut-off?
Which series of Elkhart Brass has a wider, horseshoe-style bale?
Which series of Elkhart Brass has a wider, horseshoe-style bale?
Which tip is part of the two-piece assembly used with the 2 1/2" shut-off?
Which tip is part of the two-piece assembly used with the 2 1/2" shut-off?
Which Elkhart Brass series of shut-off has a shorter base?
Which Elkhart Brass series of shut-off has a shorter base?
What is the diameter of the integral smoothbore in the 1 1/2" shut-off?
What is the diameter of the integral smoothbore in the 1 1/2" shut-off?
What is the designed flow rate delivered by the 1 1/2" shut-off?
What is the designed flow rate delivered by the 1 1/2" shut-off?
Which series are the Elkhart Brass 1 1/2" shut-offs available in?
Which series are the Elkhart Brass 1 1/2" shut-offs available in?
What is the required handline flow rate for commercial fires as per SOG 203.09?
What is the required handline flow rate for commercial fires as per SOG 203.09?
What are the inlet and outlet diameters of the 1 1/2" shut-off?
What are the inlet and outlet diameters of the 1 1/2" shut-off?
Which type of hose is this nozzle compatible with?
Which type of hose is this nozzle compatible with?
Which hose diameter is not compatible with this nozzle?
Which hose diameter is not compatible with this nozzle?
On which type of lines is this nozzle generally deployed?
On which type of lines is this nozzle generally deployed?
The nozzle can be used with which of the following hose diameters?
The nozzle can be used with which of the following hose diameters?
Which hose diameter is incorrect for this nozzle?
Which hose diameter is incorrect for this nozzle?
What is one of the hose diameters compatible with this nozzle?
What is one of the hose diameters compatible with this nozzle?
Which nozzle compatibility is accurate?
Which nozzle compatibility is accurate?
Study Notes
Structural Firefighting Nozzles and Tips
Shut-Offs
- The District uses 1 1/2" and 2 1/2" shut-offs, both made by Elkhart Brass, in Legacy and XD series.
- The 1 1/2" shut-off has an integral smoothbore with a diameter of 1 1/8", delivering 265 GPM, and complies with SOG 203.09.
- The 2 1/2" shut-off has a 2.5" inlet and 1.5" outlet, and is paired with medium-diameter hose lines that deliver over 200 GPM.
Tips
- The 7/8" tip is the primary tip for small diameter attack lines, delivering 160 GPM.
- The 1" tip is used in a two-piece assembly with a 1 1/8" tip, delivering 210 GPM, and is connected to a 2 1/2" shut-off.
- The 1 1/8" tip is a component of the two-piece tip assembly, delivering 265 GPM, and can be paired with the dedicated overhaul tip.
- The 1 1/4" tip is used on the Blitz Line, delivering 325 GPM, and is utilized for transitional fire attack, significant fire conditions, or exposure protection.
Fog Nozzles
- The Chief 175 GPM fog nozzle is used as an auxiliary nozzle on the Trash Line, delivering 175 GPM at 50 psi, and is not used for structural firefighting.
- The Chief 250 GPM fog nozzle is used as an auxiliary nozzle, paired with medium-diameter hose, and is deployed on tertiary lines, compatible with 2.25", 2.5", and 3" hoses.
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Description
This quiz covers the use of 1 1/2" shut-off nozzles and tips in structural firefighting, including their design and compliance with commercial fire regulations.
