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Q: The minimum cover, for RCC column should be:
  • A. 25 mm or more than of dia
  • B. 50 mm or more than of dia
  • C. 30 mm or more than of dia
  • D. 40 mm or more than of dia
Correct Answer: Option D - Structural Element Minimum Clear Cover ∎ Column 40 mm ∎ Slab 20 mm ∎ Beam 25 mm ∎ Footing 50 mm
D. Structural Element Minimum Clear Cover ∎ Column 40 mm ∎ Slab 20 mm ∎ Beam 25 mm ∎ Footing 50 mm

Explanations:

Structural Element Minimum Clear Cover ∎ Column 40 mm ∎ Slab 20 mm ∎ Beam 25 mm ∎ Footing 50 mm