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Q: .Silt content in fine aggregate leads to_____.
  • A. increased shrinkage
  • B. excellent bond characteristics
  • C. decreased permeability
  • D. increased durability
Correct Answer: Option A - Silt content in sand–Excessive quantity of silt, not only reduces the bonding of cement and fine aggregates but also affects the strength and durability of work. • Excessive silt and clay contained in the fine aggregates may result in increased shrinkage or permeability in addition to poor characteristics. • The excessive silt and clay may also necessitate greater water requirements for given workability.
A. Silt content in sand–Excessive quantity of silt, not only reduces the bonding of cement and fine aggregates but also affects the strength and durability of work. • Excessive silt and clay contained in the fine aggregates may result in increased shrinkage or permeability in addition to poor characteristics. • The excessive silt and clay may also necessitate greater water requirements for given workability.

Explanations:

Silt content in sand–Excessive quantity of silt, not only reduces the bonding of cement and fine aggregates but also affects the strength and durability of work. • Excessive silt and clay contained in the fine aggregates may result in increased shrinkage or permeability in addition to poor characteristics. • The excessive silt and clay may also necessitate greater water requirements for given workability.