+1 vote
ago in Construction & Building Materials by (188k points)
Which of the following defects occur in the seasoning process of wood?

(a) Bow

(b) Brown rot

(c) Sap stain

(d) Blue stain

I got this question in an interview.

My question is taken from Timber topic in chapter Steel, Timber, Mortar, Plastics, Non-Ferrous Metals and Alloys of Construction & Building Materials

1 Answer

+1 vote
ago by (1.2m points)
selected ago by
Best answer
Correct choice is (a) Bow

To explain: Bow is a defect that occurs in the seasoning process of wood and is indicated by the curvature which forms in the direction of the length of timber. Blue stain, sap stain and brown rot are the defects caused in timber by fungi.

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