Knee wall

Question 1

A ½ story refers to ___ attic space in a residential home.

Answer 1

finished

Question 2

___ enclose the lower end of rafters and floor
joists behind a three to five foot interior wall.

Answer 2

Knee-walls

Question 3

Generally, the steeper the pitch and the more distance between the top of the gable end windows and the ridgeline, the greater the chance that there is a __.

Answer 3

concealed attic space

Question 4

The floor joists are large dimension lumber (usually ___) that span
from one outer wall to the other

Answer 4

2”x 8”s or 2”x 10”s

Question 5

If a roof has knee wall void vents they will be __ where the knee wall top plate and rafters meet

Answer 5

below

Question 6

Two indicators that help identify the possibility of knee walls in
the structure are the presence of a gable roof with windows at the gable ends and
roofs with a steep pitch; usually \__ or steeper

Answer 6

8/12

Question 7

While the line is being stretched, one member of the fire attack team should make an attempt to see at least __ sides of the home.

Answer 7

three

Question 8

If there is an exterior fire, it must be __ before attacking the top floor fire. If the exterior fire is not discovered and extinguished, the interior fire will be nearly impossible to extinguish and make conditions extremely dangerous for interior crews.

Answer 8

extinguished

Question 9

Firefighters that encounter an incipient fire in the knee wall void space will
usually find very light smoke and little heat in the living space. As the void space fire
develops, conditions can quickly transition to _______ in the living space

Answer 9

high heat with little to no visibility

Question 10

Opening void spaces brings the potential for rapid fire development. Crews
must have a ___ before opening the voids

Answer 10

line in place

Question 11

If the fire is believed to be knocked down but heat and smoke persist, it is likely that there is fire in ___ that will need to be located

Answer 11

other voids

Question 12

Crews ascending the stairs to a ½ story structure with a well-developed fire in
the knee wall voids will encounter ____

Answer 12

very smoky conditions with high heat

Question 13

If there are potential fire victims, the hose crew should delay opening the void spaces until the___ is completed.

Answer 13

primary search

Question 14

When crews are performing a search ahead of a hoseline, firefighters with the nozzle must be disciplined and wait until the search team is in a ___ before creating large openings in the knee walls.

Answer 14

safe area

Question 15

Crews ___remove gable windows until the location and extent of the fire is known.

Answer 15

should not

Question 16

If possible, one member from the back-up team should be positioned at ___ to prevent others from entering the stairwell until the escape route is no longer needed.

Answer 16

the bottom of the stairs

Question 17

___ can be an effective tactic for fires in void spaces.

Answer 17

Indirect attack

Question 18

A piercing nozzle should ___ by another line with a standard nozzle for protection

Answer 18

always be backed up

Question 19

___ should not be used when there is suspected fire in void spaces.

Answer 19

PPV

Question 20

Aggressive vertical ventilation is a very effective tactic for ½ story fires and should be
considered a ___ for truck crews assigned to ventilation.

Answer 20

top priority

Question 21

Venting the ___ of the roof near the peak can accomplish the same goal of venting the
living space without the wind negatively affecting the fire.

Answer 21

lee-side

Question 22

Secondary means of egress can be provided by

Answer 22

could be done by RIT, first in engine driver, or
the second truck crew.

Question 23

If the structure by identifying heat signatures. Upon entry, interior crews can scan the ceiling of the floor below the fire. If the outside edge of the ceiling is hot, this indicates that there is fire in the ___

Answer 23

knee-wall void

Question 24

If the fire is primarily in the living space or attic, expect to see much ___ near the ridge than at the lower eve or gutter line.

Answer 24

higher heat

Question 25

High heat behind the siding on a lower floor can be an indicator of fire traveling from the ___ to the ½ story

Answer 25

basement or a lower floor