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Q: Which one of the following materials reduce the transmission of heat, sound and dampness?
  • A. Burnt clay perforated bricks
  • B. Heavy duty burnt clay bricks
  • C. Burnt clay soling bricks
  • D. Burnt clay hollow bricks
Correct Answer: Option D - Burnt clay hollow brick (IS 3952)– • Hollow brick, also known as cellular or cavity block are manufactured from a thoroughly ground lump free. • They also reduce the transmission of heat sound and dampness.
D. Burnt clay hollow brick (IS 3952)– • Hollow brick, also known as cellular or cavity block are manufactured from a thoroughly ground lump free. • They also reduce the transmission of heat sound and dampness.

Explanations:

Burnt clay hollow brick (IS 3952)– • Hollow brick, also known as cellular or cavity block are manufactured from a thoroughly ground lump free. • They also reduce the transmission of heat sound and dampness.