WorksheetsFire Forensics Review - Part 2
Total questions: 12
Worksheet time: 14mins
What causes a thermal plume to form?
hot, buoyant gases
cool, dense gases
restricting ventilation
What causes fire, gases and smoke to move throughout a room?
differences in temperature
differences in pressure
differences in density
ALL of these answers
Heat makes gases ___.
sink
hover
rise
True or False: Ventilation is the exchange of hot fuel gases and air due to any opening in a structure.
True
False
What happens if an outside air supply of oxygen is available?
the oxygen helps blow out the fire
the oxygen causes the fire to grow
the oxygen has no impact on the fire
During ventilation, hot gases flow ___ and cooler air flows ___.
into the room along the floor; out the window along the ceiling
into the room along the ceiling; out the window along the floor
out the window along the ceiling; into the room along the floor
out the window along the floor; into the room along the ceiling
Which stage of fire development is usually the longest stage and ends with the fire going out?
Ignition
Growth
Full Development
Decay
Why did the ventilation LIMITED room fill with smoke? What happened to that smoke?
The fire in the ventilation limited room eventually went out because it ran out of _____.
fuel
oxygen
heat
Ventilation often makes a fire _____.
smaller
bigger
go out
tap dance
What is the difference between a vented and unvented room?
Explain why it is important to understand the effects of ventilation on fire behavior? In other words, why should we research how air flow changes fire behavior? How could research on this topic help others?
