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Q: Depending on the quality of burning, B class bricks are ..............
  • A. Under burnt
  • B. Over burnt
  • C. Well burnt
  • D. Normal burnt
Correct Answer: Option C - Characteristic of B class brick (Second class) : • A second class brick is well-burnt but slightly over burnt is acceptable. • It has a rough surface. • Its edges are neither straight nor well defined. • It is not free from lumps and cracks. • It does not have a uniform colour. • It has fine, compact and uniform texture.
C. Characteristic of B class brick (Second class) : • A second class brick is well-burnt but slightly over burnt is acceptable. • It has a rough surface. • Its edges are neither straight nor well defined. • It is not free from lumps and cracks. • It does not have a uniform colour. • It has fine, compact and uniform texture.

Explanations:

Characteristic of B class brick (Second class) : • A second class brick is well-burnt but slightly over burnt is acceptable. • It has a rough surface. • Its edges are neither straight nor well defined. • It is not free from lumps and cracks. • It does not have a uniform colour. • It has fine, compact and uniform texture.