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Q: Choose the incorrect statement.
  • A. Nominal mix considers the properties of different materials used
  • B. Concrete is a brittle material
  • C. Design mix is used for M25 and above concrete grades
  • D. Aggregates are inactive materials that increase the volume of concrete
Correct Answer: Option A - • Concrete is a brittle material. Nominal mix can concrete may be used for concrete of M - 20 or lower and design mix is used for M -25 or above concrete grade. • Aggregates are inactive or filler materials that increase the volume of concrete.
A. • Concrete is a brittle material. Nominal mix can concrete may be used for concrete of M - 20 or lower and design mix is used for M -25 or above concrete grade. • Aggregates are inactive or filler materials that increase the volume of concrete.

Explanations:

• Concrete is a brittle material. Nominal mix can concrete may be used for concrete of M - 20 or lower and design mix is used for M -25 or above concrete grade. • Aggregates are inactive or filler materials that increase the volume of concrete.