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Which of the following is a defect occuring in timber due to conversion?(a) Blue stain(b) Diagonal grain(c) Sap strain(d) White rotThe question was posed to me by my college professor while I was bunking the class.This intriguing question originated from Timber Partitions topic in section Cavity Walls & Partition Walls of Construction & Building Materials

Answer»

The correct answer is (b) Diagonal GRAIN

Explanation: Diagonal grain is an example of a defect OCCURING in timber due to conversion i.e. during the conversion of timber to commercial FORM. Blue stain, sap strain and white rot are EXAMPLES of DEFECTS caused in timber due to attack by fungi.



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