The minimum crushing strength of third class brick is:(a) 3.5 N/mm^2(b) 7 N/mm^2(c) 10 N/mm^2(d) 20 N/mm^2The question was posed to me during a job interview.My doubt stems from Types of Bricks topic in chapter Materials for Construction of Basic Civil Engineering

The minimum crushing strength of third class brick is:(a) 3.5 N/mm^2(b

1.	The minimum crushing strength of third class brick is:(a) 3.5 N/mm^2(b) 7 N/mm^2(c) 10 N/mm^2(d) 20 N/mm^2The question was posed to me during a job interview.My doubt stems from Types of Bricks topic in chapter Materials for Construction of Basic Civil Engineering
Answer» The correct ANSWER is (a) 3.5 N/mm^2 To ELABORATE: As per IS codes, the minimum CRUSHING strength of first class brick is 10.5 N/mm^2, second class is 7 N/mm^2 and third class is 3.5 N/mm^2.

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The minimum crushing strength of third class brick is:(a) 3.5 N/mm^2(b) 7 N/mm^2(c) 10 N/mm^2(d) 20 N/mm^2The question was posed to me during a job interview.My doubt stems from Types of Bricks topic in chapter Materials for Construction of Basic Civil Engineering

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