DENDROLOGY

TREE UTILIZATION AND PRODUCTS

WOOD PROPERTIES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following is a method of timber conversion?
A
Semi sawn
B
Quarter sawn
C
Half sawn
D
Full sawn
Explanation: 

Detailed explanation-1: -Quarter-sawn or radially converted timber is produced by sawing or cleaving the log multiple times from the bark to the centre, producing thin, triangular sections.

Detailed explanation-2: -Quartersawn wood is literally cut into quarters before it is run through the mill. The “point” is set at the top of the cut. In this way, the wood is sliced with the grain largely perpendicular to the face. The widest lumber is taken from the center of each of the four quarters.

Detailed explanation-3: -WoodsGood states that there are two main methods of conversion for timber. These include through and through, or plain, and the quarter, or rift sawn, methods. Even though the quarter sawn method is a little expensive, it is more decorative and less prone to distort.

Detailed explanation-4: -Ordinary sawing: The log is moved backward and forward on the platform of a sawmill. Radial sawing: The sawing did parallel to the medullary rays and perpendicular to the annular rings. Tangential sawing: The sawing is done at right angles to the medullary rays and tangential to the annular rings. Quarter sawing: 30-Nov-2019

There is 1 question to complete.