1.

The figure below represents:(a) Twisted fibre(b) Knots(c) Wind cracks(d) UpsetsI have been asked this question by my school principal while I was bunking the class.My question is from Defects and Preservation of Timber topic in portion Materials for Construction of Basic Civil Engineering

Answer»

Right choice is (d) Upsets

Explanation: Upsets INDICATES wood FIBRES that are INJURED by crushing or compression. It is due to improper FELLING of trees.



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