Torsion is produced in a beam due to 

The expansion joints are provided if the length of the concrete exceeds

In a rectangular R.C.C beam , the ratio of maximum shear stress to average shear stress is

The product El is called 

Three hinged arch will have three hinges

The moment diagram for a cantilever carrying the concentrated load at its free end will be

The reinforcement is bent at an inclination of ********* at the ends of the beam .

The minimum cover to the main bars in the R.C.C. beam should be

For a simply supported beam with a central load, the bending moment is