Behaviour of an RC Beam in Flexure

1. If the actual neutral axis of a beam lies above the critical neutral axis, then the beam is said to be a/an:
2. A singly reinforced concrete beam of balanced section is made of M20 grade concrete and Fe415 grade steel bars. The magnitudes of the maximum compressive strain in concrete and the tensile strain in the bars at the ultimate state under flexure, as per IS 456 ∶ 2000, are ________, respectively. (round off to four decimal places)
3. At which point does shear stress is zero in a beam?
4. The partial safety factor for concrete and steel are 1.5 and 1.15, respectively, because
5. Plain concrete is strong in
6. In RC beam, the main reinforcement provided only in the tension zone is called-