Correct answer
A. to crack and warp on drying
Explanation
The correct answer is to crack and warp on drying.
Which one of the following frequency regions is a part of sun’s radiation?
In hill roads the side drains arc provided________?
Higher pitch of the roof (1) results in stronger roof (2) results in weaker roof (3) requires more covering material (4) requires less covering material The correct answer is________?
Which of the following is dimensionless ________?
The background colour of the informatory sign board is________?
Leaf reflectance depends primarily on________?