In charpy test specimen, the angle of v-notch section is _______

What is the approx. mix proportion for M10?

Maximum size of aggregates should not be larger than ___________

IS Code of practice for plain and reinforced concrete is ____

The indenter used in Brinell hardness test is a ____________

What is the approx. mix proportion for M15?

IS 1199:1959 is for ________

IS code for Specification for Portland slag cement?