SAF Fire Management & Prescribed Burning

Question 1

Which component of the fire environment triangle describes the arrangement, continuity, and moisture content of fuels?

Accepted Answer

Fuel

Answer

Topography

Answer

Weather

Answer

Atmosphere

Question 2

The term 'fine fuels' in fire management typically refers to fuels with a time-lag of:

Accepted Answer

1 hour

Answer

10 hours

Answer

100 hours

Answer

1000 hours

Question 3

A prescribed burn conducted under specific pre-defined conditions to meet resource management objectives is best described as:

Accepted Answer

Prescribed fire

Answer

Wildfire suppression

Answer

Slash burning

Answer

Backfire

Question 4

Which wind measurement is most critical when writing a prescribed burn prescription?

Accepted Answer

20-foot wind speed

Answer

Geostrophic wind speed

Answer

Surface wind speed at 2 feet

Answer

Jet stream velocity

Question 5

The National Fire Danger Rating System (NFDRS) uses which index to estimate the energy release from burning fuels?

Accepted Answer

Energy Release Component (ERC)

Answer

Keetch-Byram Drought Index (KBDI)

Answer

Haines Index

Answer

Burning Index (BI)

Question 6

Which type of prescribed burn is ignited at the downwind end of a unit and allowed to back slowly into the wind?

Accepted Answer

Backing fire

Answer

Head fire

Answer

Flank fire

Answer

Spot fire

Question 7

The Keetch-Byram Drought Index (KBDI) measures:

Accepted Answer

Moisture deficit in deep duff and organic soils

Answer

Relative humidity of the air

Answer

Fuel moisture of 100-hour fuels

Answer

Wind-driven fire spread potential