Question 1

A fire deliberately set close to an advancing fire to create a firebreak by using the updraft of the wildfire to draw the fire toward the main fire is called a(n) _______________.

Accepted Answer

The answer of A fire deliberately set close to an...

Question 2

Sunlight can react with pollutants generated by a wildfire to form _______________.

Accepted Answer

The answer of Sunlight can react with pollutants generated by...

Question 3

Some fires in Greece and Italy in 2007 were ignited by arsonists in protected areas to make room for _______________.

Accepted Answer

The answer of Some fires in Greece and Italy in...

Question 4

Once ground fuels are cleared, radiant heat from nearby burning trees is very unlikely to ignite a home.

Accepted Answer

A) True 
 B)False

Question 5

Fires that burn ahead of the main fire are known as _______________ fires.

Accepted Answer

The answer of Fires that burn ahead of the main...

Question 6

The amount of burnable material available to a fire is called _______________.

Accepted Answer

The answer of The amount of burnable material available to...

Question 7

Which source of information is NOT typically used by fire investigators in determining a fire's cause?

Accepted Answer

A) records of past fires in the area 
B) weather records 
C) height and degree of defoliation 
D) post-fire aerial photos 
E) wind patterns during a fire 
A) records of past fires in the area 
B) weather records 
C) height and degree of defoliation 
D) post-fire aerial photos 
E) wind patterns during a fire

Question 8

Which is NOT a potentially harmful air pollutant created by wildfires?

Accepted Answer

A) dihydrogen oxide 
B) nitrogen oxides 
C) carbon monoxide 
D) hydrocarbons 
E) ozone 
A) dihydrogen oxide 
B) nitrogen oxides 
C) carbon monoxide 
D) hydrocarbons 
E) ozone

Question 9

Between 2001 and 2009, what percentage of California forest fires was lightning-caused?

Accepted Answer

A) 2 percent 
B) 5 percent 
C) 10 percent 
D) 17 percent 
E) 30 percent 
A) 2 percent 
B) 5 percent 
C) 10 percent 
D) 17 percent 
E) 30 percent

Question 10

Which side of a forest is at greater risk of wildfire in the northern U.S. and southern Canada?

Accepted Answer

A) northeast 
B) southeast 
C) northwest 
D) southwest 
E) south 
A) northeast 
B) southeast 
C) northwest 
D) southwest 
E) south

Question 11

In California, between 2001 and 2009, what was the largest cause of wildfires?

Accepted Answer

A) arson 
B) lightning 
C) smoking 
D) unsafe use of power equipment 
E) campfires 
A) arson 
B) lightning 
C) smoking 
D) unsafe use of power equipment 
E) campfires

Question 12

How can a homeowner create a defensible space in order to obtain fire insurance?

Accepted Answer

A) Choose a home in a narrow canyon or wilderness area. 
B) Dig a ditch around the perimeter of the house. 
C) Install a fire-proof roof on the house. 
D) Clear ground duff and brush and cut down trees on all sides of the house. 
E) Choose a home built on the site of a previous fire. 
A) Choose a home in a narrow canyon or wilderness area. 
B) Dig a ditch around the perimeter of the house. 
C) Install a fire-proof roof on the house. 
D) Clear ground duff and brush and cut down trees on all sides of the house. 
E) Choose a home built on the site of a previous fire.

Question 13

​Which measure is NOT used to minimize erosion following a fire?

Accepted Answer

A) seeding slopes 
B) placing straw bales or tubes 
C) felling dead trees 
D) removing dead trees 
E) placing plastic sheeting over the soil 
A) seeding slopes 
B) placing straw bales or tubes 
C) felling dead trees 
D) removing dead trees 
E) placing plastic sheeting over the soil

Question 14

The U.S. Forest Service was formed in response to a catastrophic wildfire in Idaho and Montana in 1910.

Accepted Answer

A) True 
 B)False

Question 15

Which area of the U.S. generally has the highest (worst) fire weather potential?

Accepted Answer

A) the northwest 
B) the desert southwest 
C) the southeast 
D) the northeast 
E) central plains states 
A) the northwest 
B) the desert southwest 
C) the southeast 
D) the northeast 
E) central plains states

Question 16

Specially-designed fire shelters provide firefighters with limited protection for what length of time under moderate fire conditions?

Accepted Answer

A) 10 minutes 
B) 15 minutes 
C) 20 minutes 
D) 30 minutes 
E) about an hour 
A) 10 minutes 
B) 15 minutes 
C) 20 minutes 
D) 30 minutes 
E) about an hour

Question 17

Soils impervious to water are known as _______________ soils.

Accepted Answer

The answer of Soils impervious to water are known as...

Question 18

Wildfires benefit forests in many ways. Which is NOT one of these?

Accepted Answer

A) thinning closely spaced trees 
B) reducing understory fuel 
C) permitting growth of different tree species 
D) permitting growth of different tree ages 
E) improving landscape views for inhabitants 
A) thinning closely spaced trees 
B) reducing understory fuel 
C) permitting growth of different tree species 
D) permitting growth of different tree ages 
E) improving landscape views for inhabitants

Question 19

A narrow firebreak is usually enough to provide a defensible fireline.

Accepted Answer

A) True 
 B)False

Question 20

What is NOT a primary consideration in establishing fire risk for an area?

Accepted Answer

A) temperature 
B) vegetation 
C) the amount of available firefighting resources 
D) topography 
E) weather patterns 
A) temperature 
B) vegetation 
C) the amount of available firefighting resources 
D) topography 
E) weather patterns

A fire deliberately set close to an advancing fire to create a firebreak by using the updraft of the wildfire to draw the fire toward the main fire is called a(n) _______________.

Sunlight can react with pollutants generated by a wildfire to form _______________.

Some fires in Greece and Italy in 2007 were ignited by arsonists in protected areas to make room for _______________.

Once ground fuels are cleared, radiant heat from nearby burning trees is very unlikely to ignite a home.

Fires that burn ahead of the main fire are known as _______________ fires.

The amount of burnable material available to a fire is called _______________.

Which source of information is NOT typically used by fire investigators in determining a fire's cause?

Which is NOT a potentially harmful air pollutant created by wildfires?

Between 2001 and 2009, what percentage of California forest fires was lightning-caused?

Which side of a forest is at greater risk of wildfire in the northern U.S. and southern Canada?

In California, between 2001 and 2009, what was the largest cause of wildfires?

How can a homeowner create a defensible space in order to obtain fire insurance?

Which measure is NOT used to minimize erosion following a fire?

The U.S. Forest Service was formed in response to a catastrophic wildfire in Idaho and Montana in 1910.

Which area of the U.S. generally has the highest (worst) fire weather potential?

Specially-designed fire shelters provide firefighters with limited protection for what length of time under moderate fire conditions?

Soils impervious to water are known as _______________ soils.

Wildfires benefit forests in many ways. Which is NOT one of these?

A narrow firebreak is usually enough to provide a defensible fireline.

What is NOT a primary consideration in establishing fire risk for an area?

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

A fire deliberately set close to an advancing fire to create a firebreak by using the updraft of the wildfire to draw the fire toward the main fire is called a(n) _______________.

Sunlight can react with pollutants generated by a wildfire to form _______________.

Some fires in Greece and Italy in 2007 were ignited by arsonists in protected areas to make room for _______________.

Once ground fuels are cleared, radiant heat from nearby burning trees is very unlikely to ignite a home.

Fires that burn ahead of the main fire are known as _______________ fires.

The amount of burnable material available to a fire is called _______________.

Which source of information is NOT typically used by fire investigators in determining a fire's cause?

Which is NOT a potentially harmful air pollutant created by wildfires?

Between 2001 and 2009, what percentage of California forest fires was lightning-caused?

Which side of a forest is at greater risk of wildfire in the northern U.S. and southern Canada?

In California, between 2001 and 2009, what was the largest cause of wildfires?

How can a homeowner create a defensible space in order to obtain fire insurance?

​Which measure is NOT used to minimize erosion following a fire?

The U.S. Forest Service was formed in response to a catastrophic wildfire in Idaho and Montana in 1910.

Which area of the U.S. generally has the highest (worst) fire weather potential?

Specially-designed fire shelters provide firefighters with limited protection for what length of time under moderate fire conditions?

Soils impervious to water are known as _______________ soils.

Wildfires benefit forests in many ways. Which is NOT one of these?

A narrow firebreak is usually enough to provide a defensible fireline.

What is NOT a primary consideration in establishing fire risk for an area?

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 measure is NOT used to minimize erosion following a fire?