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Q: The defect observed as spongy swollen mass over the surface of burned bricks that is caused due to the presence of excess carbonaceous matter and sulphur in brick-clay is:
  • A. spots
  • B. bloating
  • C. black core
  • D. chuffs
Correct Answer: Option B - Bloating– This defect observed as spongy swollen mass over the surface of burned bricks is caused due to the presence of excess carbonaceous matter and sulphur in brick-clay. Chuffs– The deformation of the shape of bricks caused by the rain water falling on the hot bricks is known as chuffs.
B. Bloating– This defect observed as spongy swollen mass over the surface of burned bricks is caused due to the presence of excess carbonaceous matter and sulphur in brick-clay. Chuffs– The deformation of the shape of bricks caused by the rain water falling on the hot bricks is known as chuffs.

Explanations:

Bloating– This defect observed as spongy swollen mass over the surface of burned bricks is caused due to the presence of excess carbonaceous matter and sulphur in brick-clay. Chuffs– The deformation of the shape of bricks caused by the rain water falling on the hot bricks is known as chuffs.