Building Materials
Pick up the correct statement from the following: Method of sawing timber

All of these
In four quarters such that each board cuts annual rings at angles not less than 45°, is known as quarter sawing method
Tangentially to annual rings, is known as tangential method
Cut out of quarter logs, parallel to the medullary rays and perpendicular to annual rings, is known as radial sawing

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Building Materials
The thermosetting plastic

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

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