Building Materials
The thermosetting plastic

All listed here
At 127°C to 177°C permanently set and further application of heat does not soften it
Becomes rigid when moulded at suitable pressure and temperature
Chars at 343°C

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Building Materials
Assertion A : Normally turpentine oil is recommended as thinner for indoor painting.Reason R : Turpentine oil is costlier than other thinners.Select your answer according to the coding system given below:

A is false but R is true
A is true but R is false
Both A and R is true but R is not the correct explanation of A
Both A and R is true and R is the correct explanation of A

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