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Q: The shape of the brick gets deformed due to rain water falling on hot brick. This defect is known as....................
  • A. Chuffs
  • B. Bloating
  • C. Nodules
  • D. Lamination
Correct Answer: Option A - Chuffs – If rain water fall on a hot brick then it get deformed become defective that is called chuffs. Bloating– This defect is observed as spongy swollen mass over the surface of burnt brick. Its Cause due to presence of excess carbonaceous matter and sulphur in brick clay.
A. Chuffs – If rain water fall on a hot brick then it get deformed become defective that is called chuffs. Bloating– This defect is observed as spongy swollen mass over the surface of burnt brick. Its Cause due to presence of excess carbonaceous matter and sulphur in brick clay.

Explanations:

Chuffs – If rain water fall on a hot brick then it get deformed become defective that is called chuffs. Bloating– This defect is observed as spongy swollen mass over the surface of burnt brick. Its Cause due to presence of excess carbonaceous matter and sulphur in brick clay.