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Building Materials - Engineering

Q1:

The presence of original rounded surface on the manufactured piece of timber, is called

A Wane

B Torn grain

C Diagonal grain

D Chipmark.

ANS:A - Wane

Clipmark - Indicated by marks or signs placed by chips on the finished surface of the timber.

Torn Grain - Defect is caused when a small depression is formed on the finished surface of timber by falling of a tool.

Wane - Denoted by the presence of the original rounded surface on the manufactured piece of timber.

Diagonal grain - Formed due to improper sawing of timber.