CH 11

Question 1

Factors that contribute to the ventilation of a fire are known as a

Answer 1

ventilation profile
pg 286

Question 2

_________ profiles are composed of factors that occur without outside intervention.

Answer 2

natural ventilation
pg 286

Question 3

__________ is a methodical, thought-out approach to changing the ventilation profile of a structure.

Answer 3

tactical ventilation
pg 286

Question 4

This is done to improve conditions for fire fighting operations inside the structure, limit or prevent the spread of fire, and create a more tenable environment for firefighters and victims.

Answer 4

tactical ventilation
pg 286

Question 5

Whenever possible, tactical ventilation should be implemented in contact with existing atmospheric conditions, taking advantage of

Answer 5

natural ventilation
pg 287

Question 6

Also called ______, mechanical ventilation involves the use of fans, blowers, nozzles, and other mechanical devices to create or redirect the flow of air within an involved compartment or building.

Answer 6

forced ventilation
pg 287

Question 7

Increasing the air supplied to a ventilation-controlled compartment fire will cause the ________ to rapidly increase.

Answer 7

heat release rate
pg 289

Question 8

Providing an increased air supply to a ventilation-controlled fire in the decay stage can result in a _______ flashover or backdraft.

Answer 8

ventilation-induced
pg 290

Question 9

The higher the temperature, the more ________ the smoke.

Answer 9

buoyant
pg 291

Question 10

As a fire burns within a structure, _______ causes the hot smoke and gases to expand and rise.

Answer 10

convection
pg 292

Question 11

Many older buildings were constructed with walls of ____________, primarily brick, giving them the capacity to contain heat of a fire longer than wood-frame buildings.

Answer 11

unreinforced masonry (URM)
pg 293

Question 12

Unless they have been remodeled, and many of them have, older buildings may have ________ wiring with substandard insulation on the wires.

Answer 12

knob- and -tube
pg 293

Question 13

Many older buildings used ______ arch roof systems or _______ arch roof assemblies. These roof assemblies have a history of sudden collapse in fire situations.

Answer 13

Lamella; bowstring
pg 293

Question 14

These buildings often use parallel chord trusses or engineered wooden I-beams to support floor and roof assemblies.

Answer 14

newer buildings
pg 295

Question 15

Steel framing that is protected by _______ is virtually impervious to fire, and this contributes to the maintenance of structural integrity.

Answer 15

gypsum drywall
pg 296

Question 16

Buildings with panelized roof systems, or any other system that is prone to early collapse during a fire, will have

Answer 16

automatic smoke vents
pg 298