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Type M of mortar has __________ parts of Portland __________ part of lime and _________ parts of sand.(a) 3,1,9(b) 3,1,12(c) 2,1,9(d) 1,3,12I had been asked this question in a job interview.Enquiry is from Load Bearing Walls topic in chapter Load Bearing Walls of Construction & Building Materials

Answer» RIGHT CHOICE is (b) 3,1,12

For explanation I would say: Mortar mix is available in various types VIZ TYPE M, type S, type N, type O and type K. They are classified on the basis of the ratios of portland CEMENT, lime, and sand. Type M consists of 3 parts of Portland, 1 part of lime and 12 parts of sand. It is the strongest type of mortar while type K is the least used mortar.


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