ANSWERS 100% CORRECT!!
Basal area (BA) of a tree is calculated using both tree diameter at breast height
(DBH) and tree height
TRUE
FALSE - ANSWERFalse
The value used for calculating individual tree basal area is called the Loggers
constant.
TRUE
FALSE - ANSWERFalse
You measure a shagbark hickory and get a diamaeter at breast height of 7 in... what
is the basal area BA of the tree?
0.3 ft2
0.5 ft2
1.1 ft2
1.2 ft2 - ANSWER0.3 ft2
When using point sampling, each tree in the forest stand has an equal probability of
being selected.
TRUE
FALSE - ANSWERFalse
You measure a northern red oak and get a diameter at breast height DBH of 18
inches.. what is the basal area (BAt) of this tree?
2.7 ft2
3.2 ft2
1.8 ft2
0.5ft2 - ANSWER1.8 ft2
In the unlikely circumstance that you find a perfectly cylinder log, which of the log
volume formulae will give you an absolutly accurate calculation of volume?
Huber
Smalian
Newton
All of them
None of them - ANSWERAll of them
, Say you measuer a log with the purpose of estimating cubic foot volume. The log
has a length of 32 ft and cross-sectional of B=2.5, B1/2 = 1.2, b- 0.9. What is the
cubic volume of the log using Huber?
36.2 ft3
38.4 ft3
28.1 ft3
54.4 ft3 - ANSWER38.4 ft3
Say you measuer a log with the purpose of estimating cubic foot volume. The log
has a length of 32 ft and cross-sectional of B=2.5, B1/2 = 1.2, b- 0.9. What is the
cubic volume of the log using Smalian?
36.2 ft3
38.4 ft3
28.1 ft3
54.4 ft3 - ANSWER54.4 ft3
Say that you have measured a black oak during a forest inventory and get a
diameter at breast height DBH of 18 in.. with 2 merchantable logs, Based on
Scribner class 78, what is board foot merchantable volume of this tree?
120 bdft
240bdft
209 bdft
190 bdft - ANSWER209 bdft
Say that you measuer the diameter at breast height BDH of the large end of a log
and get 16 in.. Calculate the cross-sectional area B in square feet, round to the
nearest 10th decimal place.
1.4 ft2
3.5 ft2
2.5 ft2
2.8 ft2 - ANSWER1.4 ft2
In point sampling a tree has a higher probability of being selected if it is...
larger in diameter at breast height
closer to the sample point
farther away from the sample point
a and b
a and c - ANSWERa and b
A prism need to be held 25 inches from the eye during point sampling
true
false - ANSWERfalse
the angle gauge need to be held 25 inches away during point sampling