Building Materials
Age of a tree may be ascertained by

Radius of its stem
Number of annual rings
Circumference of its stem
Number of branches

ANSWER DOWNLOAD EXAMIANS APP

Building Materials
Pick up correct statement from the following:

Fibre boards are used for thermal and acoustic control
All listed here
Fibre boards are obtained by impregnating a resin product on fibres
Fibre boards are used for light weight standing members

ANSWER DOWNLOAD EXAMIANS APP