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Question
The standard size of a brick is
A.
20 cm × 10 cm × 10 cm
B.
19 cm × 9 cm × 9 cm
C.
18 cm × 9 cm × 9 cm
D.
18 cm × 10 cm × 10 cm
Answer ( Option B)

19 cm × 9 cm × 9 cm

Solution

•  The actual (standard modular) size of a brick is: 190 mm × 90 mm × 90 mm = 19 cm × 9 cm × 9 cm

   When the 10 mm mortar joint is included, its nominal size becomes: 200 mm × 100 mm × 100 mm = 20 cm × 10 cm × 10 cm

Hence, the standard actual size of brick is 19 cm × 9 cm × 9 cm.

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