IS 650:1991 is for _____________
(a) Specification for standard sand for testing of cement
(b) Methods of samplingand analysis of concrete
(c) Specification for pozzolana cement
(d) Methods of test for pozzolanicmaterials
I got this question by my school principal while I was bunking the class.
My doubt stems from IS Codes Related to Cement and Concrete topic in portion IS Codes Related to Cement and Concrete of Concrete Technology