Building Materials - Engineering

Q1:

Due to attack of dry rot, the timber

A cracks

B shrinks

C reduces to powder

D none of these.

ANS:C - reduces to powder

Dry rot is wood decay caused by certain species of fungi that digest parts of the wood which give the wood strength and stiffness.

It was previously used to describe any decay of cured wood in ships and buildings by a fungus which resulted in a darkly colored deteriorated and cracked condition.