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Mica, Limestone and Its Production

The addition ...

Question

The addition of pozzolana to Portland cement may cause-

A

Decrease in early strength

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B

Increase in early strength

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C

Decrease in curing time

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D

Increase in permeability

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Solution

The correct option is A Decrease in early strength
Addition of pozzolana have lower rate of development of early strength but ultimate strength is comparable with ordinary Portland cement.

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