16: Ventilation

Question 1

EFRS’ definition of ventilation (verbatim)

Answer 1

Ventilation, as related to firefighting, is the planned and systemic release and removal of heated air, smoke, and toxic gases from a confined area and the controlled replacement of these products of combustion with a supply of cooler, fresh air.

Question 2

Thermal layering

Answer 2

Thermal layering is the layering of heated gases according to temperature

Question 3

Aspects of reading smoke (4)

Answer 3

Volume
Velocity
Density
Colour

Question 4

Methods of vent (3)

Answer 4

Natural
Mechanical
Hydraulic

Question 5

Black fire:
Is the term we give to high _____, high _____, extremely _____, black smoke. It is an indicator of impending ______. Treat black fire just as actual flames. Your only choice is to _____ _____ and back out.

Answer 5

Is the term we give to high volume, velocity, extremely dense, black smoke. It is an indicator of impending flashover. Treat black fire just as actual flames. Your only choice is to aggressively cool and back out.

Question 6

_____ sets the stage for _____
(Smoke reading)

Answer 6

Volume sets the stage for velocity