SSC JE Civil Engineering 30-Oct-2020 Shift 2 Paper

Question : 171 of 200

Marks: +1, -0

According to IS 1077-1992, the average compressive strength of burnt clay bricks with class designation 15 is:

15 kN / $\mm^2$
15 N / $\m2^$
15 kN / $\m2^$
15 N / $\mm^2$

Solution:

Explanation
As per IS 1077:1992, clause 4.1:
The common burnt clay bricks shall be classified on the basis of average compressive strength. As per the code bricks are classified based on its designation from 35 to 3.5.
Where, Class designation 15 represents average compressive strength of 15 N/ $\mm^2$ .

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