RPF Exam Short Answer 100% solved
How does dwarf mistletoe spread other than by carrying of seed by birds or other animal life?
Correct Ans-Dwarf mistletoe spread slowly from tree to tree. Seeds are spread by expulsion.
Some species explosively discharge from the fruit at 60 miles an hour adhering to any surface
Define the term hydrologic unit code HUC and its purpose or use Correct Ans-A way of
identifying all of the drainage basins in the United States in a nested arrangement from largest
to smallest. It's used to define a biological assessment area or assess the impact to the unit
itself
At what point in development of a forest stand is annual nutrient uptake roughly equivalent to
return of nutrients through litter fall? Correct Ans-Crown closure?
For yield tax purposes who is considered a timber owner? Correct Ans-You own timber
immediately prior to felling or harvesting or you are the first person or agency not exempt from
property tax to acquire legal or beneficial rights to timber after felling
Name the three types of road surface shape used to facilitate drainage Correct Ans-
Outsloping, insloping, crowning
If one subtracts the present value of costs from the present value of benefit, the residual is
called Correct Ans-Net present value
,Define periodic annual increment Correct Ans-The growth of the tree or stand observed over
a specific period of time divided by the length of that period
In harvesting, a self-propelled machine, usually self loading, that transports trees or logs by
carrying them completely off the ground is called a Correct Ans-Forwarder
Define the term forest rent Correct Ans-The average annual net income per unit of area from
a forest of a given age
List three criteria that are used to determine the significance of an archaeological site
Correct Ans-1. Events that have made significant contribution to the broad patterns of our
history
2. Those associated with the lives of persons significant in our past
3. That have yielded, or may be likely to you, information important in prehistory or history
A widely used measure, developed by Reineke, that expresses relative stand density in terms of
the relationship of a number of trees to stand quadratic mean diameter is Correct Ans-Stand
density index
Briefly describe the purpose of the Haines index in fire science Correct Ans-A weather index
developed by Hanes that measures the potential for dry, unstable air to contribute to the
development of large or erratic wildland fires. An index of 6 means a high potential for an
existing fire to become large and anything less than 4 means very low potential
,To configure a yarding tower for a true running skyline with a mechanical slack pulling carriage,
the yarder must have at least how many drums? Correct Ans-Minimum of three
To compare the economic cost and returns of different projects, (with different lives and times
of incurring costs and receiving returns) at a common point in time, the common economic
analysis method used is called Correct Ans-???
Define the term noxious weed Correct Ans-Plants specified by law as being a socially
undesirable, troublesome, and difficult to control
According to the professional foresters law, name three professions explicitly excluded from
practice by an RPF Correct Ans-civil engineering, land surveying, landscape architecture
What is the correct term for the system of swivels, shackles, and hooks that permit both of hook
up between the main and haul back lines in the attachment of the chokers? Correct Ans-Tail
block
Define the term watercourse as used in the California Code of regulations governing Forest
Practices Correct Ans-Any well-defined channel with distinguishable bed and bank showing
evidence of having contained flowing water indicated by deposit of rock, sand, gravel, or soil,
including but not limited to, streams as defined in PRC 4528. Watercourse also includes man-
made
, Define the term chlorosis Correct Ans-An abnormal yellowing of foliage it's also a symptom
of mineral deficiency or virus infection
How did the forest practice rules define emergency Correct Ans-means those conditions that
will cause waste or loss of timber resources to the timber owner that may be minimized by
immediate harvesting of infected, infested or damaged timber or salvaging down timber; or
those conditions that will cause appreciable financial loss to the timber owner that may be
minimized by immediate harvesting of timber.
Under the California Civil Code, what type of violation is the practice of forestry without a
license Correct Ans-PRC 779, misdemeanor
How does dwarf mistletoe spread other than by carrying of seed by birds or other animal life?
Correct Ans-Dwarf mistletoe spread slowly from tree to tree. Seeds are spread by expulsion.
Some species explosively discharge from the fruit at 60 miles an hour adhering to any surface
Define the term hydrologic unit code HUC and its purpose or use Correct Ans-A way of
identifying all of the drainage basins in the United States in a nested arrangement from largest
to smallest. It's used to define a biological assessment area or assess the impact to the unit
itself
At what point in development of a forest stand is annual nutrient uptake roughly equivalent to
return of nutrients through litter fall? Correct Ans-Crown closure?
How does dwarf mistletoe spread other than by carrying of seed by birds or other animal life?
Correct Ans-Dwarf mistletoe spread slowly from tree to tree. Seeds are spread by expulsion.
Some species explosively discharge from the fruit at 60 miles an hour adhering to any surface
Define the term hydrologic unit code HUC and its purpose or use Correct Ans-A way of
identifying all of the drainage basins in the United States in a nested arrangement from largest
to smallest. It's used to define a biological assessment area or assess the impact to the unit
itself
At what point in development of a forest stand is annual nutrient uptake roughly equivalent to
return of nutrients through litter fall? Correct Ans-Crown closure?
For yield tax purposes who is considered a timber owner? Correct Ans-You own timber
immediately prior to felling or harvesting or you are the first person or agency not exempt from
property tax to acquire legal or beneficial rights to timber after felling
Name the three types of road surface shape used to facilitate drainage Correct Ans-
Outsloping, insloping, crowning
If one subtracts the present value of costs from the present value of benefit, the residual is
called Correct Ans-Net present value
,Define periodic annual increment Correct Ans-The growth of the tree or stand observed over
a specific period of time divided by the length of that period
In harvesting, a self-propelled machine, usually self loading, that transports trees or logs by
carrying them completely off the ground is called a Correct Ans-Forwarder
Define the term forest rent Correct Ans-The average annual net income per unit of area from
a forest of a given age
List three criteria that are used to determine the significance of an archaeological site
Correct Ans-1. Events that have made significant contribution to the broad patterns of our
history
2. Those associated with the lives of persons significant in our past
3. That have yielded, or may be likely to you, information important in prehistory or history
A widely used measure, developed by Reineke, that expresses relative stand density in terms of
the relationship of a number of trees to stand quadratic mean diameter is Correct Ans-Stand
density index
Briefly describe the purpose of the Haines index in fire science Correct Ans-A weather index
developed by Hanes that measures the potential for dry, unstable air to contribute to the
development of large or erratic wildland fires. An index of 6 means a high potential for an
existing fire to become large and anything less than 4 means very low potential
,To configure a yarding tower for a true running skyline with a mechanical slack pulling carriage,
the yarder must have at least how many drums? Correct Ans-Minimum of three
To compare the economic cost and returns of different projects, (with different lives and times
of incurring costs and receiving returns) at a common point in time, the common economic
analysis method used is called Correct Ans-???
Define the term noxious weed Correct Ans-Plants specified by law as being a socially
undesirable, troublesome, and difficult to control
According to the professional foresters law, name three professions explicitly excluded from
practice by an RPF Correct Ans-civil engineering, land surveying, landscape architecture
What is the correct term for the system of swivels, shackles, and hooks that permit both of hook
up between the main and haul back lines in the attachment of the chokers? Correct Ans-Tail
block
Define the term watercourse as used in the California Code of regulations governing Forest
Practices Correct Ans-Any well-defined channel with distinguishable bed and bank showing
evidence of having contained flowing water indicated by deposit of rock, sand, gravel, or soil,
including but not limited to, streams as defined in PRC 4528. Watercourse also includes man-
made
, Define the term chlorosis Correct Ans-An abnormal yellowing of foliage it's also a symptom
of mineral deficiency or virus infection
How did the forest practice rules define emergency Correct Ans-means those conditions that
will cause waste or loss of timber resources to the timber owner that may be minimized by
immediate harvesting of infected, infested or damaged timber or salvaging down timber; or
those conditions that will cause appreciable financial loss to the timber owner that may be
minimized by immediate harvesting of timber.
Under the California Civil Code, what type of violation is the practice of forestry without a
license Correct Ans-PRC 779, misdemeanor
How does dwarf mistletoe spread other than by carrying of seed by birds or other animal life?
Correct Ans-Dwarf mistletoe spread slowly from tree to tree. Seeds are spread by expulsion.
Some species explosively discharge from the fruit at 60 miles an hour adhering to any surface
Define the term hydrologic unit code HUC and its purpose or use Correct Ans-A way of
identifying all of the drainage basins in the United States in a nested arrangement from largest
to smallest. It's used to define a biological assessment area or assess the impact to the unit
itself
At what point in development of a forest stand is annual nutrient uptake roughly equivalent to
return of nutrients through litter fall? Correct Ans-Crown closure?
