1.

Which apparatus is used to test the hardness of stones?(a) Los Angeles(b) Deval’s(c) CTM(d) Dorry’sI got this question in quiz.Question is taken from Tests on Stones in chapter Materials for Construction of Basic Civil Engineering

Answer»

Right CHOICE is (d) Dorry’s

The best I can EXPLAIN: Los Angeles is used for abrasion test, Deval’s for attrition and CTM for compression or CRUSHING test.



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