Discussion :: Building Materials
- Pick up the correct statement from the following:
A.
Plastics have generally low melting point |
B.
The coefficient of thermal expansion of plastics is about three times than that of steel |
C.
The acoustical boards prepared by impregnating fibre-glass with phenolic resins has absorption coefficient of about 0.67 |
D.
All the above |
Answer : Option D
Explanation :
Explanation Not Provided
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