RCC Structures Design
Long and short spans of a two way slab are ly and lx and load on the slab acting on strips parallel to lx and ly be wx and wy respectively. According to Rankine Grashoff theory

(wx/wy) = (ly/lx)²
(wx/wy) = (ly/lx)
(wx/wy) = (ly/lx)⁴
None of these

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RCC Structures Design
An R.C.C. lintel is spanning an opening of 2 m span in a brick wall. The height of the roof is 2.9 m above the floor level and that of the opening is 2.1 m above the floor level. The lintel is to be designed for self weight plus

UDL of wall + load from the roof
Triangular load of the wall
UDL of wall
Triangular load + load from the roof

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