The critical neutral axis of a reinforced cement concrete beam is based on the principle that the neutral axis is situated at the centre of gravity of a given section.

Related MCQs

• The actual neutral axis of a reinforced cement concrete beam is based on the principle that the moment of areas of compression and tension zones at the neutral axis are equal.
• In case of an over-reinforced beam, the depth of actual neutral axis is the same as that of the critical neutral axis.
• The neutral axis of a transverse section of a beam passes through the centre of gravity of the section and is
• The neutral axis of a transverse section of a beam passes through the centre of gravity of the section and is
• The line of intersection of the neutral layer with any normal cross-section of the beam is called neutral axis.
• A cantilever beam carries a uniformly distributed load from fixed end to the centre of the beam in the first case and a uniformly distributed load of same inten¬sity from centre of the beam to the free end in the second case. The ratio of deflections in the two cases is
• In case of an under-reinforced beam, the depth of actual neutral axis is
• The neutral axis of the cross-section a beam is that axis at which the bending stress is
• A simply supported beam with rectangular cross-section is subjected to a central concentrated load. If the width and depth of the beam are doubled, then the deflection at the centre of the beam will be reduced to
• A reinforced cement concrete beam is considered to be made of