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प्रश्न
When you go to a timber mart to collect timber for your construction of a new house, how will you select good timber?
उत्तर
(i) Timber is mainly used for carpentry and buiding houses. In order to enrich the quality of timber, seasoning of wood is done.
(ii) Timber is the most important tissue that sequestrates atmospheric carbon and this reduces global warming.
(iii) In order to enrich the quality of timber, seasoning of wood is done through air and kiln drying. Wood is characterized by colour, grain, texture and figure.
(iv) We must check the wood whether the wood has been gone through the seasoning.
Also The wood is also classified into sap wood (pale in colour ) and heart wood (dark in colour ). The timber from the heartwood is more durable and more resistant to the timber from sap wood. So, I will select the heart wood which has been gone through the seasoinng of wood for my construction of new house.
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संबंधित प्रश्न
What is wood botanically?
Explain artificial seasoning.
These questions consist of two statements each printed as Assertion and Reason. While answering these questions you are required to choose any one of the following four responses.
Assertion: In woody stems the amount of heart wood continue to increase year after Year
Reason: The activity of cambial ring continues uninterrupted
Differentiate the wood formed in Pinus from that of Morus.
Central part of the wood is always dark. Why?
A cross section of tree trunk contains 60 lighter and 60 darker rings. Determine the age of the tree and justify