Computer · Construction Materials
In brick production, the optimum proportion of alumina in good brick earth is essential because:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1It imparts plasticity required for moulding but excessive content causes shrinkage and warping during drying and burning✓
- 2It fuses silica particles during burning and imparts strength
- 3It enhances resistance to efflorescence
- 4It reduces the fusibility of silica in the mix
Correct answer
It imparts plasticity required for moulding but excessive content causes shrinkage and warping during drying and burning
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