Question

For the purpose of design as per IS:456, deflection of RC slab or beam is limited to

• A. 0.2% of span
• B. 0.25% of span
• C. 0.4% of span
• D. 0.45% of span

Answer 1

The correct option is C 0.4% of span

Deflection $\le \frac{span}{250}$ or 0.4% of the span.