Question 1

What distance of space cleared of any fuels around a house is recommended?

Accepted Answer

A) 5 m 
B) 10 m 
C) 30 m 
D) 50 m 
E) It depends on the ground vegetation nearby 
A) 5 m 
B) 10 m 
C) 30 m 
D) 50 m 
E) It depends on the ground vegetation nearby C

Question 2

​Which factor does NOT contribute to the intensity of a wildfire?

Accepted Answer

A) local temperature 
B) type of vegetation 
C) wind speed 
D) the initial cause of the fire 
E) moisture content of the fuel 
A) local temperature 
B) type of vegetation 
C) wind speed 
D) the initial cause of the fire 
E) moisture content of the fuel D

Question 3

The most dangerous part of the day for firefighting is _____, when weather is hottest and winds often blow the fire in unpredictable directions.

Accepted Answer

A) between midnight and dawn 
B) early morning 
C) mid-morning 
D) midday 
E) late afternoon 
A) between midnight and dawn 
B) early morning 
C) mid-morning 
D) midday 
E) late afternoon E

Question 4

Which fire detection method is NOT currently in use?

Accepted Answer

A) automated smoke detection systems mounted on tall towers 
B) light aircraft with heat detection cameras 
C) manned forest towers 
D) weather radar 
E) hot-air balloons with heat detection cameras 
A) automated smoke detection systems mounted on tall towers 
B) light aircraft with heat detection cameras 
C) manned forest towers 
D) weather radar 
E) hot-air balloons with heat detection cameras

Question 5

With climate change, more frequent and larger wildfires emit greater amounts of carbon into the atmosphere.

Accepted Answer

A) True 
 B)False

Question 6

What public policy change followed the tragic Melbourne, Australia fire of 2009?

Accepted Answer

A) instituting a nationwide fire alert system involving telephone and text messaging 
B) requiring people to comply with guidelines regarding clearing flammable materials from around their homes 
C) requiring fire insurance for all buildings in fire-prone areas 
D) requiring fire extinguishers on every floor of a multi-story building 
E) doubling the number of firefighting personnel on duty at any one time 
A) instituting a nationwide fire alert system involving telephone and text messaging 
B) requiring people to comply with guidelines regarding clearing flammable materials from around their homes 
C) requiring fire insurance for all buildings in fire-prone areas 
D) requiring fire extinguishers on every floor of a multi-story building 
E) doubling the number of firefighting personnel on duty at any one time

Question 7

What are the three mechanisms by which fire ignites and progresses? Describe the mechanisms and how fire spreads.

Accepted Answer

Radiation, convection, and firebrands (o

Question 8

A convective _______________ of heat draws in new air from all sides and fans flames.

Accepted Answer

The answer of A convective _______________ of heat draws in...

Question 9

Low brush and branches are known as _______________ fuels because they ignite first and then allow the fire to climb into higher treetops.

Accepted Answer

The answer of Low brush and branches are known as...

Question 10

Glassy residue or elongated or straw-like groups of fused mineral grains (fulgurite) is evidence that a fire was caused by a lightning strike.

Accepted Answer

A) True 
 B)False

Question 11

Burning embers are also called _______________.

Accepted Answer

The answer of Burning embers are also called _______________....

Question 12

Fires that spread along the ground fueled by grasses and low shrubs are called _______________.

Accepted Answer

The answer of Fires that spread along the ground fueled...

Question 13

The three components of the fire triangle are fuel, heat, and _______________.

Accepted Answer

The answer of The three components of the fire triangle...

Question 14

What effect can topography have on the spreading of a fire? What are the dangers of being upslope during a fire?

Accepted Answer

Canyons can funnel air, accelerate the f

Question 15

Current U.S. Forest Service policy is to:

Accepted Answer

A) aggressively fight wildfires 
B) prevent all fires 
C) set controlled fires intentionally 
D) allow wildfires to burn, even in areas near buildings 
E) increase forest densities through planting programs 
A) aggressively fight wildfires 
B) prevent all fires 
C) set controlled fires intentionally 
D) allow wildfires to burn, even in areas near buildings 
E) increase forest densities through planting programs

Question 16

Describe the best things to do if you are trapped by a fire. Where should you take shelter to protect yourself and why?

Accepted Answer

Try to reach flat, moist, grazed areas,

Question 17

Deliberate deforestation by fire has occurred in Indonesia, where forests are burned to clear space for growing _______________.

Accepted Answer

palm oil,

Question 18

A fire progresses more quickly downslope than upslope.

Accepted Answer

A) True 
 B)False

Question 19

Firebrands typically fly about 1 km, but can travel up to 20-30 km in extreme cases.

Accepted Answer

A) True 
 B)False

Question 20

A burned tree with white residue on the west side and black residue on the east side indicates the fire came from the east.

Accepted Answer

A) True 
 B)False

What distance of space cleared of any fuels around a house is recommended?

Which factor does NOT contribute to the intensity of a wildfire?

The most dangerous part of the day for firefighting is _____, when weather is hottest and winds often blow the fire in unpredictable directions.

Which fire detection method is NOT currently in use?

With climate change, more frequent and larger wildfires emit greater amounts of carbon into the atmosphere.

What public policy change followed the tragic Melbourne, Australia fire of 2009?

What are the three mechanisms by which fire ignites and progresses? Describe the mechanisms and how fire spreads.

A convective _______________ of heat draws in new air from all sides and fans flames.

Low brush and branches are known as _______________ fuels because they ignite first and then allow the fire to climb into higher treetops.

Glassy residue or elongated or straw-like groups of fused mineral grains (fulgurite) is evidence that a fire was caused by a lightning strike.

Burning embers are also called _______________.

Fires that spread along the ground fueled by grasses and low shrubs are called _______________.

The three components of the fire triangle are fuel, heat, and _______________.

What effect can topography have on the spreading of a fire? What are the dangers of being upslope during a fire?

Current U.S. Forest Service policy is to:

Describe the best things to do if you are trapped by a fire. Where should you take shelter to protect yourself and why?

Deliberate deforestation by fire has occurred in Indonesia, where forests are burned to clear space for growing _______________.

A fire progresses more quickly downslope than upslope.

Firebrands typically fly about 1 km, but can travel up to 20-30 km in extreme cases.

A burned tree with white residue on the west side and black residue on the east side indicates the fire came from the east.

Natural Hazards and Disasters

Plate Tectonics and Physical Hazards

Earthquakes and Their Causes

Earthquake Predictions Forecasts and Mitigation

Tsunami

Volcanoes Tectonic Environments and Eruptions

Volcanoes Hazards and Mitigation

Landslides and Other Downslope Movements

Sinkholes Land Subsidence and Swelling Soils

Weather Thunderstorms and Tornadoes

Climate Change Processes and History

Climate Change Impacts and Mitigation

Streams and Flood Processes

Floods and Human Interactions

Waves Beaches and Coastal Erosion

Hurricanes and nor Easters

Asteroid and Comet Impacts

Filters

Exam 17: Wildfires

What distance of space cleared of any fuels around a house is recommended?

​Which factor does NOT contribute to the intensity of a wildfire?

The most dangerous part of the day for firefighting is _____, when weather is hottest and winds often blow the fire in unpredictable directions.

Which fire detection method is NOT currently in use?

With climate change, more frequent and larger wildfires emit greater amounts of carbon into the atmosphere.

What public policy change followed the tragic Melbourne, Australia fire of 2009?

What are the three mechanisms by which fire ignites and progresses? Describe the mechanisms and how fire spreads.

A convective _______________ of heat draws in new air from all sides and fans flames.

Low brush and branches are known as _______________ fuels because they ignite first and then allow the fire to climb into higher treetops.

Glassy residue or elongated or straw-like groups of fused mineral grains (fulgurite) is evidence that a fire was caused by a lightning strike.

Burning embers are also called _______________.

Fires that spread along the ground fueled by grasses and low shrubs are called _______________.

The three components of the fire triangle are fuel, heat, and _______________.

What effect can topography have on the spreading of a fire? What are the dangers of being upslope during a fire?

Current U.S. Forest Service policy is to:

Describe the best things to do if you are trapped by a fire. Where should you take shelter to protect yourself and why?

Deliberate deforestation by fire has occurred in Indonesia, where forests are burned to clear space for growing _______________.

A fire progresses more quickly downslope than upslope.

Firebrands typically fly about 1 km, but can travel up to 20-30 km in extreme cases.

A burned tree with white residue on the west side and black residue on the east side indicates the fire came from the east.

Natural Hazards and Disasters

Plate Tectonics and Physical Hazards

Earthquakes and Their Causes

Earthquake Predictions Forecasts and Mitigation

Tsunami

Volcanoes Tectonic Environments and Eruptions

Volcanoes Hazards and Mitigation

Landslides and Other Downslope Movements

Sinkholes Land Subsidence and Swelling Soils

Weather Thunderstorms and Tornadoes

Climate Change Processes and History

Climate Change Impacts and Mitigation

Streams and Flood Processes

Floods and Human Interactions

Waves Beaches and Coastal Erosion

Hurricanes and nor Easters

Asteroid and Comet Impacts

Filters

Which factor does NOT contribute to the intensity of a wildfire?