RCC Structures Design
If the shear stress in a R.C.C. beam is

Greater than 4 kg/cm², but less than 20 kg/cm², shear reinforcement is provided
Equal or less than 5 kg/cm², no shear reinforcement is provided
All of these
Greater than 20 kg/cm², the size of the section is changed

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RCC Structures Design
In a singly reinforced beam

Elastic moduli for concrete and steel have different values within the limits of deformation of the beam
Steel possesses initial stresses when embedded in concrete
Compression is borne entirely by concrete
Plane sections transverse to the centre line of the beam before bending remain plane after bending

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