Discussion :: Building Materials
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Pick up the correct statement from the following:
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A.
Plastics have generally low melting point |
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B.
The coefficient of thermal expansion of plastics is about three times than that of steel |
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C.
The acoustical boards prepared by impregnating fibre-glass with phenolic resins has absorption coefficient of about 0.67 |
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D.
All the above. |
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Answer : Option D
Explanation :
No answer description available for this question
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