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Building Materials

Q1:

The size of mould for bricks, is generally kept

A a little large to specified size

B a little small to specified size

C equal to specified size

D 10% larger than specified size

E 20% larger than specified size.

ANS:A - a little large to specified size

It Should have a tolerance of approximately 5%. Because the size of mould is kept to be 8-12% greater than the actual size of brick. I think 8-10% of size of mould greater than size of brick because shrink the size of brick after dry. So as to allow space for the soil to expand in volume.



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