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crushing strenth of good stone

20. The preparation of surface ofstoneto obtain plain edges or to obtainstonesof required size and shape is known as a) quarrying ofstonesb) blasting ofstonesc) seasoning ofstonesd) dressing ofstonesAns: d. 21.Crushing strengthof agoodbuildingstoneshould be more than a) 50 MPa b) 100 MPa c) 150 MPa d) 200 MPa Ans: b. 22

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