RCC Structures Design
The length of the straight portion of a bar beyond the end of the hook, should be at least

Twice the diameter
Four times the diameter
Seven times the diameter
Thrice the diameter

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RCC Structures Design
In a singly reinforced 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
Elastic moduli for concrete and steel have different values within the limits of deformation of the beam

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