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Q: Which among the following class of bricks are ground moulded and they are burnt in kilns, also these bricks are commonly used at places where brickwork is to be provided with a coat a plaster?
  • A. First class bricks
  • B. Second class bricks
  • C. Fourth class bricks
  • D. Third class bricks
Correct Answer: Option B - Second class bricks– This class of bricks are ground moulded and they are burnt in kilns, also these bricks are commonly used at places where brick work is to be provided with a coat a plaster. • The surface of second class bricks is somewhat rough and the shape is also slightly irregular, the minimum compressive strength of second class bricks should be 7.5 N/mm².
B. Second class bricks– This class of bricks are ground moulded and they are burnt in kilns, also these bricks are commonly used at places where brick work is to be provided with a coat a plaster. • The surface of second class bricks is somewhat rough and the shape is also slightly irregular, the minimum compressive strength of second class bricks should be 7.5 N/mm².

Explanations:

Second class bricks– This class of bricks are ground moulded and they are burnt in kilns, also these bricks are commonly used at places where brick work is to be provided with a coat a plaster. • The surface of second class bricks is somewhat rough and the shape is also slightly irregular, the minimum compressive strength of second class bricks should be 7.5 N/mm².