How is the hardness of brick tested?(a) Using finger nail(b) Using hardness apparatus(c) Using hammer(d) Using chiselThe question was asked in my homework.My query is from Tests on Bricks topic in division Materials for Construction of Basic Civil Engineering

How is the hardness of brick tested?(a) Using finger nail(b) Using har

1.	How is the hardness of brick tested?(a) Using finger nail(b) Using hardness apparatus(c) Using hammer(d) Using chiselThe question was asked in my homework.My query is from Tests on Bricks topic in division Materials for Construction of Basic Civil Engineering
Answer» RIGHT choice is (a) Using finger nail To EXPLAIN: BRICK is scratched using finger nail.If there are no visible scratches made on the brick surface, it is said to be sufficiently HARD.

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How is the hardness of brick tested?(a) Using finger nail(b) Using hardness apparatus(c) Using hammer(d) Using chiselThe question was asked in my homework.My query is from Tests on Bricks topic in division Materials for Construction of Basic Civil Engineering

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