📊 Concrete Technology
Q. The light-weight concrete is prepared by ?
  • (A) mixing Portland cement with sawdust in specified proportion in the concrete
  • (B) using coke-breeze, cinder or slag as aggregate in the concrete
  • (C) mixing aluminium in the concrete
  • (D) none of the above
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✅ Correct Answer: (B) using coke-breeze, cinder or slag as aggregate in the concrete

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