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Q: For quality control of Portland cement, the test essentially done is
  • A. Setting time
  • B. Soundness
  • C. Tensile strength
  • D. All options are correct
Correct Answer: Option D - For quality control of Portland cement the test essentially done – (1) setting time (2) soundness (3) tensile strength (4) consistency. Cementation index = 1.02 to 0.66 – If cement in solution HCl, then residual is not more than15%. – Ignition of cement loss is not more than 4% of total weight.
D. For quality control of Portland cement the test essentially done – (1) setting time (2) soundness (3) tensile strength (4) consistency. Cementation index = 1.02 to 0.66 – If cement in solution HCl, then residual is not more than15%. – Ignition of cement loss is not more than 4% of total weight.

Explanations:

For quality control of Portland cement the test essentially done – (1) setting time (2) soundness (3) tensile strength (4) consistency. Cementation index = 1.02 to 0.66 – If cement in solution HCl, then residual is not more than15%. – Ignition of cement loss is not more than 4% of total weight.