## What is nominal mix in concrete? - Quora

What is nominal mix in concrete? Update Cancel. Answer Wiki. 7 Answers. ... M5, M7.5, M10, M15, M20 and M25 are nominal mixes. Due to variability in the mix, they differ in workability and compressive strength. The ratio of mix is required when we estimation of concrete. Watch below video to understand this concept much better.