Correct Answer:
Option C - IS : 1121 (part-II)-1974 (Reaffirmed 2003) methods of test for determination of transverse strength of natural building stone.
• IS : 12269 : 2003 (Part-III) (Reaffirmed 2015) specification for 53 grade OPC.
• IS : 5 : 516 : 2000 (Reaffirmed 2015)– Method of tests for strength of concrete.
C. IS : 1121 (part-II)-1974 (Reaffirmed 2003) methods of test for determination of transverse strength of natural building stone.
• IS : 12269 : 2003 (Part-III) (Reaffirmed 2015) specification for 53 grade OPC.
• IS : 5 : 516 : 2000 (Reaffirmed 2015)– Method of tests for strength of concrete.