Chapter 11

Question 1

What are the engine companies first line of defense?

Answer 1

Back up lines

Question 2

’’ it is an additional hose line used to reinforce the work of and to protect personnel when the initial attack proves inadequate or when a problem occurs with the initial hand line

Answer 2

Back up line

Question 3

Back up lines should be ‘’’ size diameter of the initial attack on

Answer 3

Same size or larger p. 377

Question 4

One or two rooms and content fires can usually be extinguished with

Answer 4

The initial Handline using less than 500 gallons

Question 5

Two and half inch hose lines, approximately weighs ‘’ per 50 foot section

Answer 5

106 pounds

Question 6

It could take a crew of ‘’ to overcome the friction to advance a 2 1/2 half inch hose line effectively

Answer 6

4 to 5 ( at least three)

Question 7

2 1/2 inch hand line for the back up is the best choice for what type of structure fires

Answer 7

Commercial

Question 8

The back up line should stand ready. The back up firefighter should not fight the fire along with the initial attack team. If another hose line is needed for a fire attack. A second line should be laid. The exception is fighting a ‘’’’’ fires where non-protected open web steel bar Joyce are used for roof trust and floor joist assemblies.

Answer 8

type 2 noncombustible building fires we are non-protected open web steel are use for roof trust and floor assemblies

Question 9

What steel means that the Steelers not covered a coded with fire resistance material

Answer 9

Non-protected

Question 10

at Temperatures between ‘’’’’ steel expand, warp, twists and loses its tensile and compression strength it can collapse under its own weight within’’’ being subjected to this

Answer 10

1000°-1000(1100) degrees , 5 to 10 minutes

Question 11

In fighting’’’ (Building construction) fires should the backup lines be used to cool open web steel bar trust at the ceiling and the steel columns that support them while they attack team focuses on the seat of the fire

Answer 11

Type two noncombustible fires p. 378

Question 12

The back up line serves as what until a dedicated RIT line is laid

Answer 12

Initial RIT line

Question 13

Residential structure, fire a minimum of ‘’ lines should be pulled . what are they and in what order should they be pulled ?

Answer 13

4
1. Attack line
2. Back up line 2-3 depends
3. Exposure line
4. RIT line p. 379

Question 14

Let’s say that you have a one story, wood frame house with fire blowing out the windows on the B side and flames are Impinging on the D side of the exposure house next-door in this scenario how would you lay your lines?

Answer 14

1. Attack line
2. Exposure line
3. Back up line
4. RIT

Question 15

Two-story woodframe house on fire with fire showing from the kitchen on floor one at the CD corner of the house and extending to floor two there are interior exposure bedrooms on floor two in flames are starting to show the bedroom above the fire how you lay your lines:

Answer 15

1. Attack line.(1st floor)
2. Exposure(2nd floor)
3. Back up line.(1st)
4. RIT

Question 16

In most scenarios, the back up hose line should be the second line laid but if Immediate exposure problems threaten the lives of trapped occupants or flames and inPinge on an exposure. The exposure line should be ??

Answer 16

the second and the back up line.. P. 380

Question 17

If the initial 1 3/4 inch attack line are not gaining control of a fire within’’/’’ sec it is probable that the streams are not reaching into the seat of the fire or that the hose line is not delivering enough water to Coole the area

Answer 17

30 to 60 seconds

Question 18

In general back up, lines should be at least ‘’’ than the initial attack line

Answer 18

One size larger

Question 19

2 1/2 inch hose line delivers almost as much water with far greater reaching THAN

Answer 19

2, 1 3/4 IN handlines

Question 20

You’d get deeper penetration into a fire and a lot more cooling if solid stream with a ‘’’ smooth tip is used

Answer 20

1 1/8, 1 1/4 p. 381

Question 21

If the 2 1/2 inch initial attack line are using combination nozzles. The back up line should be equipped with.

Answer 21

Smooth board tips

Question 22

2 1/2 inch combination nozzles deliver up to how many GPM

Answer 22

300, tip pressure of 100 pounds per square inch

Question 23

What are used for defensive strategies at fires?

Answer 23

Master streams

Question 24

When an interior attack using 2 1/2 half inch hose lines fails to control the fire than ?

Answer 24

Back out all firefighters and attack using master stream appliances p. 385

Question 25

Master stream appliances should be charged and operated by ‘’ again for speed and efficiency

Answer 25

Fresh crews p. 386