TST chapter 11

Question 1

ventilation

Answer 1

systematic removal of heated air, smoke, gases or other airborne contaminants

Question 2

natural ventilation

Answer 2

techniques that use the wind ,convection currents to ventilate a structure

Question 3

tactical ventilation

Answer 3

a methodical thought out approach to changing the ventilation profile of a structure

Question 4

mechanical ventilation

Answer 4

the use of fans …blowers..smoke ejectors or fire streams

Question 5

burning regime….start with ignition

Answer 5

• incipient
• growth
• fully involved
• decay

Question 6

whitish -gray smoke indicates

Answer 6

cellulose-based materials are burning an atmoshere with abundant oxygen. (wood,paper)

Question 7

optical density and opacity

Answer 7

describes how difficult it is to see thru smoke…high concentrations both very dense (thick) and opaque(not transparent) therefore impossible to see thru

Question 8

physical density

Answer 8

describes how buoyant the smoke is….smoke that is buoyant will rise quickly and smoke that is not will hang close to the flooor.

Question 9

hydrocarbon fuels

Answer 9

petroleum based organic compounds that contain only hydrogen and carbon

Question 10

ventilation size up …4 building construction factors

Answer 10

• age and type of building
• positive construction features
• negative construction features
• occupancy - specific construction features