7.2 Farming + Forestry Review

A tree has a diameter at breast height (DBH) of 24 inches and can be cut into three 16-foot logs. Using the Doyle scale, how many board feet does this tree contain?

• 490 board feet

• 780 board feet

• 720 board feet

• 660 board feet

A tree has a DBH of 18 inches and can be cut into two 16-foot logs. Using the Doyle scale, how many board feet does this tree contain?

• 420 board feet

• 160 board feet

• 300 board feet

• 240 board feet

A tree with a DBH of 30 inches can be cut into four 16-foot logs. Using the Doyle scale, how many board feet does this tree contain?

• 1040 Board Feet

• 1280 Board Feet

• 1120 Board Feet

• 960 Board Feet

A piece of lumber measures 2 inches in thickness, 8 inches in width, and 12 feet in length. Calculate the board feet using the formula 𝐿×𝑊×𝑇1212L×W×T​.

• 16 BF

• 32 BF

• 24 BF

• 20 BF

A board measures 1.5 inches in thickness, 10 inches in width, and 14 feet in length. Calculate the board feet using the formula 𝐿×𝑊×𝑇144144L×W×T​.

• 15 BF

• 20 BF

• 14.58 BF

• 17.5 BF

A lumber piece is 3 inches thick, 6 inches wide, and 8 feet long. Calculate the board feet using the formula 𝐿×𝑊×𝑇1212L×W×T​.

• 12 BF

• 16 BF

• 10 BF

• 8 BF

A piece of wood measures 4 inches in thickness, 9 inches in width, and 10 feet in length. Calculate the board feet using the formula 𝐿×𝑊×𝑇144144L×W×T​.

• 20 BF

• 30 BF

• 25 BF

• 36 BF

Which of the following is a primary goal of Best Management Practices (BMPs) in forestry?

• Maximizing timber yield

• Reducing costs of logging operations

• Minimizing environmental impact

• Increasing recreational use of forest lands

Tags

NGSS.MS-LS2-5

NGSS.MS-LS2-4

What is a common BMP to prevent soil erosion on forest roads?

• Clearcutting the surrounding area

• Constructing water bars and culverts

• Planting only non-native species

• Removing all vegetation from the roadside

Tags

NGSS.MS-ETS1-2

When establishing a streamside management zone (SMZ), which of the following is typically recommended?

• Removing all trees with in 50 feet of the stream

• Leaving a buffer of vegetation to protect water quality

• Building access roads directly adjacent to the stream

• Harvesting timber right up to the stream bank

Tags

NGSS.MS-LS2-5