RPF Exam Questions and Answers (latest
Update 2024)
According to the definition in 14 CCR 895.1, define the two
conditions required in the abandonment of a forest road. -
Correct Answer ✅1. Leaving a logging road reasonably
impassable to standard production 4WD vehicles;
2. Leaving a logging road and landings in a condition which
provides for long-term functioning of erosion controls with
little or no continuing maintenance
For THP planning, how would you define an active nest of an
osprey when you have not seen an osprey occupy the nest in
the 3 months you've been doing fieldwork? - Correct
Answer ✅Active nest: a bird nest site at which breeding
efforts have recently occurred as determined by the CA Dept.
of Fish and Wildlife, as specified:
Great Blue Heron, Great Egret = 2 years
Golden Eagle, Osprey, Goshawk = 3 years
Bald Eagle, Peregrine Falcon = 5 years
Nests that have not been used within this time period are
considered abandoned.
,RPF Exam Questions and Answers (latest
Update 2024)
The marking of the most commercially valuable trees for
cutting under an individual tree marking regime is normally
termed _____. - Correct Answer ✅Selective harvest/high-
grading
What other law was brought to bear on the FPA by the court
ruling in NRDC vs. Arcata National Corp (or "Broaddus
decision")? - Correct Answer ✅CEQA; 1976: THPs are
indeed subject to CEQA (brought about the special status of
THPs as functional equivalent documents)
What are two types of fixed costs + two types of variable
costs with harvesting equipment? - Correct Answer ✅Fixed
= depreciation, interest, insurance, taxes, rent, purchase
price
Variable = labor, repairs, fuel, tire/track
(fixed = remains constant in relation to amount of good
produced; variable = cost rises with production of more units)
The extent to which the lower portion of a tree's stem
diverges from straight, usually measured in degrees -
Correct Answer ✅Sweep
,RPF Exam Questions and Answers (latest
Update 2024)
A stream which derives most or its entire nutrient energy
source from such things as terrestrial insect drop and litter
fall from terrestrial vegetation - Correct Answer
✅Allocthonous
Which of the following species are susceptible to white pine
blister rust? - Correct Answer ✅Five-needle pines = sugar
pine (pinus lambertiana), western white pine (pinus
monticola)
According to §763 of the Professional Foresters Law, what is
the minimum number of individuals who are to be appointed
by the board to serve on the Professional Foresters'
Examining Committee? - Correct Answer ✅7 total:
4 RPFs
1 certified specialist (certified rangelane mgmt)
2 public members, including 1 from the board of forestry
, RPF Exam Questions and Answers (latest
Update 2024)
List 4 characteristics of fuels that affect the way fires burn
and are important in prescribed fire management. - Correct
Answer ✅1. Size of fuel - particle size class
2. Fuel moisture
3. Distribution of fuel + loading
4. Type of fuel (composition)
How many TPA would you plant to achieve 16' spacing
between trees? - Correct Answer ✅=43560/(16*16) = 170
Remember: an acre = 1 chain (66 feet) * 1 furlong (660 feet)
Why does the concept of MAI not apply well to uneven-aged
stands? - Correct Answer ✅MAI describes the average
annual growth of trees, and trees grow at different rates
during their lives - therefore, for uneven-aged stands, the MAI
is not effective at determining the average growth rate
List 4 purposes a THP document serves during its life -
Correct Answer ✅1. Guide for RPF
Update 2024)
According to the definition in 14 CCR 895.1, define the two
conditions required in the abandonment of a forest road. -
Correct Answer ✅1. Leaving a logging road reasonably
impassable to standard production 4WD vehicles;
2. Leaving a logging road and landings in a condition which
provides for long-term functioning of erosion controls with
little or no continuing maintenance
For THP planning, how would you define an active nest of an
osprey when you have not seen an osprey occupy the nest in
the 3 months you've been doing fieldwork? - Correct
Answer ✅Active nest: a bird nest site at which breeding
efforts have recently occurred as determined by the CA Dept.
of Fish and Wildlife, as specified:
Great Blue Heron, Great Egret = 2 years
Golden Eagle, Osprey, Goshawk = 3 years
Bald Eagle, Peregrine Falcon = 5 years
Nests that have not been used within this time period are
considered abandoned.
,RPF Exam Questions and Answers (latest
Update 2024)
The marking of the most commercially valuable trees for
cutting under an individual tree marking regime is normally
termed _____. - Correct Answer ✅Selective harvest/high-
grading
What other law was brought to bear on the FPA by the court
ruling in NRDC vs. Arcata National Corp (or "Broaddus
decision")? - Correct Answer ✅CEQA; 1976: THPs are
indeed subject to CEQA (brought about the special status of
THPs as functional equivalent documents)
What are two types of fixed costs + two types of variable
costs with harvesting equipment? - Correct Answer ✅Fixed
= depreciation, interest, insurance, taxes, rent, purchase
price
Variable = labor, repairs, fuel, tire/track
(fixed = remains constant in relation to amount of good
produced; variable = cost rises with production of more units)
The extent to which the lower portion of a tree's stem
diverges from straight, usually measured in degrees -
Correct Answer ✅Sweep
,RPF Exam Questions and Answers (latest
Update 2024)
A stream which derives most or its entire nutrient energy
source from such things as terrestrial insect drop and litter
fall from terrestrial vegetation - Correct Answer
✅Allocthonous
Which of the following species are susceptible to white pine
blister rust? - Correct Answer ✅Five-needle pines = sugar
pine (pinus lambertiana), western white pine (pinus
monticola)
According to §763 of the Professional Foresters Law, what is
the minimum number of individuals who are to be appointed
by the board to serve on the Professional Foresters'
Examining Committee? - Correct Answer ✅7 total:
4 RPFs
1 certified specialist (certified rangelane mgmt)
2 public members, including 1 from the board of forestry
, RPF Exam Questions and Answers (latest
Update 2024)
List 4 characteristics of fuels that affect the way fires burn
and are important in prescribed fire management. - Correct
Answer ✅1. Size of fuel - particle size class
2. Fuel moisture
3. Distribution of fuel + loading
4. Type of fuel (composition)
How many TPA would you plant to achieve 16' spacing
between trees? - Correct Answer ✅=43560/(16*16) = 170
Remember: an acre = 1 chain (66 feet) * 1 furlong (660 feet)
Why does the concept of MAI not apply well to uneven-aged
stands? - Correct Answer ✅MAI describes the average
annual growth of trees, and trees grow at different rates
during their lives - therefore, for uneven-aged stands, the MAI
is not effective at determining the average growth rate
List 4 purposes a THP document serves during its life -
Correct Answer ✅1. Guide for RPF
