FF Ops Bulletin 6 - Sheet2

Question 1

From the Firefighting Operations Bulletins:

How long should drill be on Bulletin #6?

Answer 1

2 hours

Question 2

From the Firefighting Operations Bulletins:

Why do you drill on Bulletin #6?

Answer 2

Reduce F/F and civilian burns

Question 3

From the Firefighting Operations Bulletins:

How much hotter does plastic burn than normal combustibles?

Answer 3

3 times hotter in BTU’s

Question 4

From the Firefighting Operations Bulletins:

Fog stream is retarded by

Answer 4

friction between the outer surface of the fog cone and surrounding air

Question 5

From the Firefighting Operations Bulletins:

If the water droplet are to fine, what will happen

Answer 5

they will be carried away by air currents around a fire

Question 6

From the Firefighting Operations Bulletins:

If two streams are the same size which one will have the greatest reach?

Answer 6

the one with more water

Question 7

From the Firefighting Operations Bulletins:

Which stream is better for heat absorption

Answer 7

Fog streams are superior to solid streams in heat absorption

Question 8

From the Firefighting Operations Bulletins:

When applying a fog stream which is the most effective way

Answer 8

directed in such a manner to cover the greatestpossible area

Question 9

From the Firefighting Operations Bulletins:

How is the number of fog streams used to be determined

Answer 9

cubic foot area involved and the volume of thenozzles

Question 10

From the Firefighting Operations Bulletins:

To determine if the fog stream is effective, what 3 things do you watch for ?

Answer 10

first smoke, second smoke and condensed steam, and third condensed steam

Question 11

From the Firefighting Operations Bulletins:

What does a wider fog stream do for firefighters

Answer 11

offer firefighters more protection but will have less penetration

Question 12

From the Firefighting Operations Bulletins:

What degree angle fog gives the most effective penetration

Answer 12

30 degree angle

Question 13

From the Firefighting Operations Bulletins:

Why is a fog stream used for protection of a firefighter

Answer 13

absorbs more than a solid stream

Question 14

From the Firefighting Operations Bulletins:

Which stream delivers water with less pressure

Answer 14

Solid stream

Question 15

From the Firefighting Operations Bulletins:

When should you check the nozzle for proper degree angle

Answer 15

Daily and after each use

Question 16

From the Firefighting Operations Bulletins:

How often should you check the

gasket on the nozzle?

Answer 16

Daily and after each use

Question 17

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 ______.

Answer 17

Momentum

Question 18

From the Firefighting Operations Bulletins:

Water cannot absorbed its full capacity of heat unless it is completly converted into_______

Answer 18

steam

Question 19

From the Firefighting Operations Bulletins:

Before the introduction of a “shut off “ to fog nozzles, they were considered likely to cause unnecessary ___________.

Answer 19

Water damage

Question 20

From the Firefighting Operations Bulletins:

Tests have shown that a_______motion of the nozzle is usually more satisfactory.

Answer 20

circular motion

Question 21

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.

Answer 21

Upward

Question 22

From the Firefighting Operations Bulletins:

A fog stream should be shut off as soon as _______and ________have been displaced by condensed steam.

Answer 22

smoke and gas

Question 23

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.

Answer 23

30 degree angle