CoEvolve Estates QS Engineer Interview Questions and Answers

Grades of concrete indicate the strength of the concrete mix. Different grades are used for different applications.

• Grades of concrete are denoted by the strength they can withstand, such as M20, M30, etc.

• Higher grade concrete like M30 or above is used for structures like bridges, high-rise buildings, etc.

• Lower grade concrete like M20 is used for residential buildings, pavements, etc.