FF Ops Bulletin 6 - Sheet2 Flashcards
From the Firefighting Operations Bulletins:
How long should drill be on Bulletin #6?
2 hours
From the Firefighting Operations Bulletins:
Why do you drill on Bulletin #6?
Reduce F/F and civilian burns
From the Firefighting Operations Bulletins:
How much hotter does plastic burn than normal combustibles?
3 times hotter in BTU’s
From the Firefighting Operations Bulletins:
Fog stream is retarded by
friction between the outer surface of the fog cone and surrounding air
From the Firefighting Operations Bulletins:
If the water droplet are to fine, what will happen
they will be carried away by air currents around a fire
From the Firefighting Operations Bulletins:
If two streams are the same size which one will have the greatest reach?
the one with more water
From the Firefighting Operations Bulletins:
Which stream is better for heat absorption
Fog streams are superior to solid streams in heat absorption
From the Firefighting Operations Bulletins:
When applying a fog stream which is the most effective way
directed in such a manner to cover the greatestpossible area
From the Firefighting Operations Bulletins:
How is the number of fog streams used to be determined
cubic foot area involved and the volume of thenozzles
From the Firefighting Operations Bulletins:
To determine if the fog stream is effective, what 3 things do you watch for ?
first smoke, second smoke and condensed steam, and third condensed steam
From the Firefighting Operations Bulletins:
What does a wider fog stream do for firefighters
offer firefighters more protection but will have less penetration
From the Firefighting Operations Bulletins:
What degree angle fog gives the most effective penetration
30 degree angle
From the Firefighting Operations Bulletins:
Why is a fog stream used for protection of a firefighter
absorbs more than a solid stream
From the Firefighting Operations Bulletins:
Which stream delivers water with less pressure
Solid stream
From the Firefighting Operations Bulletins:
When should you check the nozzle for proper degree angle
Daily and after each use
From the Firefighting Operations Bulletins:
How often should you check the
gasket on the nozzle?
Daily and after each use
From the Firefighting Operations Bulletins:
If two (2) fog streams are of the same diameter and the water droplets had the same initial velocity, the one containing the most water will have the greatest reach because it will have greater ______.
Momentum
From the Firefighting Operations Bulletins:
Water cannot absorbed its full capacity of heat unless it is completly converted into_______
steam
From the Firefighting Operations Bulletins:
Before the introduction of a “shut off “ to fog nozzles, they were considered likely to cause unnecessary ___________.
Water damage
From the Firefighting Operations Bulletins:
Tests have shown that a_______motion of the nozzle is usually more satisfactory.
circular motion
From the Firefighting Operations Bulletins:
If a short reach, wide angle fog pattern will cover the area, it should be projected ________upward into the heated area and worked in a circular motion for complete coverage.
Upward
From the Firefighting Operations Bulletins:
A fog stream should be shut off as soon as _______and ________have been displaced by condensed steam.
smoke and gas
From the Firefighting Operations Bulletins:
When the nozzle is set for a _____degree angle, this combination of line and nozzle will control small fires quickly.
30 degree angle
