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Q: The minimum cement content in reinforced concrete as IS 456 in kg/m³:
  • A. 200
  • B. 250
  • C. 300
  • D. 350
Correct Answer: Option C - Minimum cement content depends upon exposure condition (governs durability criteria) Exposure condition Min. Cement (Kg/m³) Mild 300 Moderate 300 Severe 320 Very severe 340 Extreme 360 • Maximum cement content shall not exceeds 450 Kg/m³.
C. Minimum cement content depends upon exposure condition (governs durability criteria) Exposure condition Min. Cement (Kg/m³) Mild 300 Moderate 300 Severe 320 Very severe 340 Extreme 360 • Maximum cement content shall not exceeds 450 Kg/m³.

Explanations:

Minimum cement content depends upon exposure condition (governs durability criteria) Exposure condition Min. Cement (Kg/m³) Mild 300 Moderate 300 Severe 320 Very severe 340 Extreme 360 • Maximum cement content shall not exceeds 450 Kg/m³.