Identify the FALSE statement from the following, pertaining to the design of concrete structures -
1
A rectangular slab, whose length exceeds twice its width, always behave as two way slab, regardless of the support conditions.
2
The assumption of linear strain profile in flexure is made use of in both working stress design method and limit state design method.
3
In case of staircase design, the dead weight of the steps is calculated by treating the step to be an equivalent horizontal slab of thickness equal to half of rise.
4
Torsional reinforcement is required to be provided at the corners of simply supported rectangular slabs, if the corner are free to lift up.