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Q: Which of the following represents the normal consistency of ordinary Portland cement?
  • A. 0.15
  • B. 0.3
  • C. 0.45
  • D. 0.55
Correct Answer: Option B - "The normal consistency of cement paste is defined as that consistency which will permit a vicat plunger having dia 10mm and length 50mm to penetrate to depth of 33–35mm from top of mould" • Normal consistency of different types of cement are different. • For OPC the normal consistency is 30%.
B. "The normal consistency of cement paste is defined as that consistency which will permit a vicat plunger having dia 10mm and length 50mm to penetrate to depth of 33–35mm from top of mould" • Normal consistency of different types of cement are different. • For OPC the normal consistency is 30%.

Explanations:

"The normal consistency of cement paste is defined as that consistency which will permit a vicat plunger having dia 10mm and length 50mm to penetrate to depth of 33–35mm from top of mould" • Normal consistency of different types of cement are different. • For OPC the normal consistency is 30%.