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Q: Which bricks are used for filling, backing and in walls where appearance is of no consequence?
  • A. Facing bricks
  • B. Engineering bricks
  • C. Mason bricks
  • D. Common bricks
Correct Answer: Option D - Common bricks–Common brick is general multi-purpose unit manufactured economically without special reference to appearance. These may vary greatly is strength and durability and are used for filling, packing and in walls where appearance is of no consequence.
D. Common bricks–Common brick is general multi-purpose unit manufactured economically without special reference to appearance. These may vary greatly is strength and durability and are used for filling, packing and in walls where appearance is of no consequence.

Explanations:

Common bricks–Common brick is general multi-purpose unit manufactured economically without special reference to appearance. These may vary greatly is strength and durability and are used for filling, packing and in walls where appearance is of no consequence.