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Q: Which of the below property of aggregates is not desirable?
  • A. Smooth texture
  • B. Well graded
  • C. Angular shape
  • D. Smaller size
Correct Answer: Option C - Angular Aggregate–They have sharp, angular and rough particles having maximum voids (about 40%). Angular aggregate provide very good bond than the rounded aggregates, are most suitable for high strength concrete and pavements; the requirement of cement paste is relatively more.
C. Angular Aggregate–They have sharp, angular and rough particles having maximum voids (about 40%). Angular aggregate provide very good bond than the rounded aggregates, are most suitable for high strength concrete and pavements; the requirement of cement paste is relatively more.

Explanations:

Angular Aggregate–They have sharp, angular and rough particles having maximum voids (about 40%). Angular aggregate provide very good bond than the rounded aggregates, are most suitable for high strength concrete and pavements; the requirement of cement paste is relatively more.