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Building Materials - Engineering

Q1:

The standard size of masonry bricks, is

A 18 cm x 8 cm x 8 cm

B 19 cm x 9 cm x 9 cm

C 20 cm x 10 cm x 10 cm

D 21 cm x 11 cm x 11 cm

E none of these.

ANS:B - 19 cm x 9 cm x 9 cm

For India, a brick of standard size 190 mm x 90 mm x 90 mm is recommended by the BIS. With mortar thickness, the size of such a brick becomes 200 mm x 100 mm x 100 mm and it is known as the nominal size of the modular brick.

Thus the nominal size of brick includes the mortar thickness.