The age of a tree can be known by examining
Which of the following trees yields hard wood?
The deciduous or broad leaf trees have flat bread leaves. These trees yield hard woods which are generally close grained, strong, heavy dark coloured. The examples of such trees are teak, mahogany, sheesham, oak, etc.
The radial splits which are wider on the outside of the log and narrower towards the pith are known as
The star shakes extend from bark towards centre of the stem and are wider on the outside ends and are narrower on the inside ends.
Which of the following timbers is suitable for making sports goods?
Plywood has the advantage of
Plywood is obtained from
The moisture content in a well seasoned timber is
The practical limit of moisture content achieved in air drying of timber is
First class timber has an average life of