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Q: Second class bricks are recommended for
  • A. Hidden masonry work
  • B. Reinforced brick work
  • C. Flooring brick work
  • D. Pointing
Correct Answer: Option A - Second class brick, are supposed to have the same requirements as the first class ones except that. • Small cracks and distortions are permitted. • A little higher water absorption of about 22.5% of dry weight is allowed. • The crushing strength should not be less than 7 N/mm². Used– Second class bricks are recommended for all important or unimportant hidden masonry work and centering of reinforced brick and reinforced cement concrete (RCC) structures.
A. Second class brick, are supposed to have the same requirements as the first class ones except that. • Small cracks and distortions are permitted. • A little higher water absorption of about 22.5% of dry weight is allowed. • The crushing strength should not be less than 7 N/mm². Used– Second class bricks are recommended for all important or unimportant hidden masonry work and centering of reinforced brick and reinforced cement concrete (RCC) structures.

Explanations:

Second class brick, are supposed to have the same requirements as the first class ones except that. • Small cracks and distortions are permitted. • A little higher water absorption of about 22.5% of dry weight is allowed. • The crushing strength should not be less than 7 N/mm². Used– Second class bricks are recommended for all important or unimportant hidden masonry work and centering of reinforced brick and reinforced cement concrete (RCC) structures.