Question 1

What is flaming combustion?

Accepted Answer

It is the rapid,high

Question 2

A fire is considered extinct when

Accepted Answer

A)  you can no longer see flames. 
B)  combustion, including smouldering, ceases. 
C)  smoke is no longer observed. 
D)  flaming combustion ceases. 
E)  the the source of combustion is removed. 
A)  you can no longer see flames. 
B)  combustion, including smouldering, ceases. 
C)  smoke is no longer observed. 
D)  flaming combustion ceases. 
E)  the the source of combustion is removed.

Question 3

Explain why global climate change would increase wildfire activity in Canada.

Accepted Answer

A projected effect of climate change are

Question 4

Pre-ignition processes release heat.

Accepted Answer

A) True 
 B)False

Question 5

If wildfires were eliminated,jack pines would go extinct.Why?

Accepted Answer

A)  Wildfires remove parasites from jack pine trees, which would otherwise kill the tree. 
B)  Jack pine bark is resistant to fire, allowing it to flourish when other species are removed by fire. 
C)  Jack pine cones open only after a tree has been burned. 
D)  Jack pines rely on ash in the soil for nutrients. 
E)  Other tree species outcompete jack pines in regions where fire is rare. 
A)  Wildfires remove parasites from jack pine trees, which would otherwise kill the tree. 
B)  Jack pine bark is resistant to fire, allowing it to flourish when other species are removed by fire. 
C)  Jack pine cones open only after a tree has been burned. 
D)  Jack pines rely on ash in the soil for nutrients. 
E)  Other tree species outcompete jack pines in regions where fire is rare.

Question 6

What is a "fire regime" for a particular area?

Accepted Answer

The pattern of fire activity,i

Question 7

Under what conditions would a fire in a canyon advance down slope?

Accepted Answer

A)  if the slope is south-facing 
B)  if the canyon has more fuel downslope 
C)  if there are lightning storms in the area 
D)  if the fire is driven downslope by the wind 
E)  if the area has experienced a recent drought 
A)  if the slope is south-facing 
B)  if the canyon has more fuel downslope 
C)  if there are lightning storms in the area 
D)  if the fire is driven downslope by the wind 
E)  if the area has experienced a recent drought

Question 8

How can education help in reducing the risk of wildfires? What are the challenges?

Accepted Answer

With many types of disasters a wildfire

Question 9

Wildfires transfer heat mainly by

Accepted Answer

A)  conduction. 
B)  convection. 
C)  radiation. 
D)  latent heat transfer. 
E)  sensible heat transfer. 
A)  conduction. 
B)  convection. 
C)  radiation. 
D)  latent heat transfer. 
E)  sensible heat transfer.

Question 10

Which of the following groups of animals is least likely to benefit from wildfires?

Accepted Answer

A)  fish in streams 
B)  grazing mammals 
C)  burrowing rodents 
D)  birds 
E)  insects 
A)  fish in streams 
B)  grazing mammals 
C)  burrowing rodents 
D)  birds 
E)  insects

Question 11

Animals are generally able to escape all but the fastest-moving wildfires.

Accepted Answer

A) True 
 B)False

Question 12

The term fire regime refers to

Accepted Answer

A)  how fires are managed in an area. 
B)  the pattern of fire activity in an area. 
C)  the natural service functions of wildfires. 
D)  techniques of fire suppression. 
E)  linkages of fires with climate. 
A)  how fires are managed in an area. 
B)  the pattern of fire activity in an area. 
C)  the natural service functions of wildfires. 
D)  techniques of fire suppression. 
E)  linkages of fires with climate.

Question 13

Which of the following processes is most important to keep the population of pine beetles in check?

Accepted Answer

A)  Hot temperatures in the summertime kill adult beetles. 
B)  Prolonged drought in the summertime kills beetle larvae. 
C)  Infested trees secrete a substance poisonous to beetles. 
D)  Infested trees host a symbiotic fungus that is poisonous to beetles. 
E)  Cold temperatures in the wintertime kill beetle larvae. 
A)  Hot temperatures in the summertime kill adult beetles. 
B)  Prolonged drought in the summertime kills beetle larvae. 
C)  Infested trees secrete a substance poisonous to beetles. 
D)  Infested trees host a symbiotic fungus that is poisonous to beetles. 
E)  Cold temperatures in the wintertime kill beetle larvae.

Question 14

Fires can produce a hydrophobic soil layer; what is this?

Accepted Answer

This is a near surfa

Question 15

How can wildfires maintain or increase diversity in a forest?

Accepted Answer

A)  by reducing the amount of fuel available for future fires 
B)  by opening gaps in the forest canopy 
C)  by killing off invasive species 
D)  by killing off soil microorganisms 
E)  by killing off pine beetles 
A)  by reducing the amount of fuel available for future fires 
B)  by opening gaps in the forest canopy 
C)  by killing off invasive species 
D)  by killing off soil microorganisms 
E)  by killing off pine beetles

Question 16

Which of the following controls the timing of seasonal wildfires in Southern California?

Accepted Answer

A)  intensity of Santa Ana winds 
B)  rainfall the previous winter 
C)  rainfall the previous autumn 
D)  sea surface temperatures just offshore 
E)  logging schedules 
A)  intensity of Santa Ana winds 
B)  rainfall the previous winter 
C)  rainfall the previous autumn 
D)  sea surface temperatures just offshore 
E)  logging schedules

Question 17

Wildfires on steep slopes preheat fuel downslope from the flames.

Accepted Answer

A) True 
 B)False

Question 18

What are the three phases of wildfires?

Accepted Answer

pre-igniti

Question 19

An increase in wildfires at the end of the Pleistocene Epoch

Accepted Answer

A)  occurred mainly in Europe. 
B)  was associated with an increase in volcanic activity. 
C)  was associated with the first appearance of grass as a fuel. 
D)  was associated with the first appearance of man in the northern hemisphere. 
E)  was likely due to warmer and drier climate than present. 
A)  occurred mainly in Europe. 
B)  was associated with an increase in volcanic activity. 
C)  was associated with the first appearance of grass as a fuel. 
D)  was associated with the first appearance of man in the northern hemisphere. 
E)  was likely due to warmer and drier climate than present.

Question 20

Which type of combustion takes place at the highest temperatures?

Accepted Answer

A)  flaming combustion 
B)  glowing combustion 
C)  conduction combustion 
D)  smouldering combustion 
E)  radiation combustion 
A)  flaming combustion 
B)  glowing combustion 
C)  conduction combustion 
D)  smouldering combustion 
E)  radiation combustion

What is flaming combustion?

A fire is considered extinct when

Explain why global climate change would increase wildfire activity in Canada.

Pre-ignition processes release heat.

If wildfires were eliminated,jack pines would go extinct.Why?

What is a "fire regime" for a particular area?

Under what conditions would a fire in a canyon advance down slope?

How can education help in reducing the risk of wildfires? What are the challenges?

Wildfires transfer heat mainly by

Which of the following groups of animals is least likely to benefit from wildfires?

Animals are generally able to escape all but the fastest-moving wildfires.

The term fire regime refers to

Which of the following processes is most important to keep the population of pine beetles in check?

Fires can produce a hydrophobic soil layer; what is this?

How can wildfires maintain or increase diversity in a forest?

Which of the following controls the timing of seasonal wildfires in Southern California?

Wildfires on steep slopes preheat fuel downslope from the flames.

What are the three phases of wildfires?

An increase in wildfires at the end of the Pleistocene Epoch

Which type of combustion takes place at the highest temperatures?

Introduction to Natural Hazards

Internal Structure of Earth and Plate Tectonics

Earthquakes

Tsunamis

Volcanoes and Volcanic Eruptions

Landslides

Snow Avalanches

Subsidence and Soil Expansion and Contraction

River Flooding

Atmosphere and Severe Weather

Hurricanes and Extratropical Cyclones

Waves, Currents, and Coastlines

Climate Change

Meteorite Impacts and Extinctions

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Exam 13: Wildfires

What is flaming combustion?

A fire is considered extinct when

Explain why global climate change would increase wildfire activity in Canada.

Pre-ignition processes release heat.

If wildfires were eliminated,jack pines would go extinct.Why?

What is a "fire regime" for a particular area?

Under what conditions would a fire in a canyon advance down slope?

How can education help in reducing the risk of wildfires? What are the challenges?

Wildfires transfer heat mainly by

Which of the following groups of animals is least likely to benefit from wildfires?

Animals are generally able to escape all but the fastest-moving wildfires.

The term fire regime refers to

Which of the following processes is most important to keep the population of pine beetles in check?

Fires can produce a hydrophobic soil layer; what is this?

How can wildfires maintain or increase diversity in a forest?

Which of the following controls the timing of seasonal wildfires in Southern California?

Wildfires on steep slopes preheat fuel downslope from the flames.

What are the three phases of wildfires?

An increase in wildfires at the end of the Pleistocene Epoch

Which type of combustion takes place at the highest temperatures?

Introduction to Natural Hazards

Internal Structure of Earth and Plate Tectonics

Earthquakes

Tsunamis

Volcanoes and Volcanic Eruptions

Landslides

Snow Avalanches

Subsidence and Soil Expansion and Contraction

River Flooding

Atmosphere and Severe Weather

Hurricanes and Extratropical Cyclones

Waves, Currents, and Coastlines

Climate Change

Meteorite Impacts and Extinctions

Filters