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Q: The aggregates which are available near the riverfront are found to have a rounded shape due to ________.
  • A. crushing
  • B. impaction
  • C. attrition
  • D. segregation
Correct Answer: Option C - ⇒ The aggregates which are available near the riverfront are found to have a rounded shape due to attrition. Rounded Aggregate:It results the minimum percentage of voids [32-33%]. Hence, gives more workability. • They are not considered for high strength concrete because of poor interlocking.
C. ⇒ The aggregates which are available near the riverfront are found to have a rounded shape due to attrition. Rounded Aggregate:It results the minimum percentage of voids [32-33%]. Hence, gives more workability. • They are not considered for high strength concrete because of poor interlocking.

Explanations:

⇒ The aggregates which are available near the riverfront are found to have a rounded shape due to attrition. Rounded Aggregate:It results the minimum percentage of voids [32-33%]. Hence, gives more workability. • They are not considered for high strength concrete because of poor interlocking.