Related Questions

The bending moment at a section tends to bend or deflect the beam and the internal stresses resist its bending. The resistance offered by the internal stresses, to the bending, is called
A Compressive stress
B Shear stress
C Bending stress
D Elastic modulus
The section of a reinforced beam where most distant concrete fibre in compression and tension in steel attains permissible stresses simultaneously, is called
A Balanced section
B Economic section
C Critical section
D All the above
In a doubly-reinforced beam if ‘c’ and ‘t’ are stresses in concrete and tension reinforcement, ‘d’ is the effective depth and ‘n’ is depth of critical neutral axis, the following relationship holds good
A $$\frac{{{\text{mc}}}}{{\text{t}}} = \frac{{\text{n}}}{{{\text{d}} - {\text{n}}}}$$
B $$\frac{{{\text{m}} + {\text{c}}}}{{\text{t}}} = \frac{{\text{n}}}{{{\text{d}} + {\text{n}}}}$$
C $$\frac{{{\text{t}} + {\text{c}}}}{{\text{m}}} = \frac{{{\text{d}} + {\text{n}}}}{{\text{n}}}$$
D $$\frac{{\text{m}}}{{{\text{t}} + {\text{c}}}} = \frac{{\text{n}}}{{{\text{d}} - {\text{n}}}}$$
The steel bars in a reinforced cement concrete beam are embedded __________ of the beam.
A In the center
B Near the bottom
C Near the top
D At any position
In a singly reinforced beam, if the permissible stress in concrete reaches earlier than that in steel, the beam section is called
A Under-reinforced section
B Over reinforced section
C Economic section
D Critical section
The maximum shear stress (q) in concrete of a reinforced cement concrete beam is
A $$\frac{{{\text{Shear force}}}}{{{\text{Lever arm}} \times {\text{Width}}}}$$
B $$\frac{{{\text{Lever arm}}}}{{{\text{Shear force}} \times {\text{Width}}}}$$
C $$\frac{{{\text{Width}}}}{{{\text{Lever arm}} \times {\text{Shear force}}}}$$
D $$\frac{{{\text{Shear force}} \times {\text{Width}}}}{{{\text{Lever arm}}}}$$
For a given stress, the ratio of moment of resistance of a beam of square cross-section when placed with its two sides horizontal to the moment of resistance with its diagonal horizontal, is
A $$\frac{1}{2}$$
B 1
C $$\frac{1}{{\sqrt 2 }}$$
D $$\sqrt 2 $$
In symmetrically reinforced sections, shrinkage stresses in concrete and steel are respectively
A Compressive and tensile
B Tensile and compressive
C Both compressive
D Both tensile
The rectangular beam 'A' has length ‘l’, width ‘b’ and depth ‘d’. Another beam 'B' has the same length and depth but width is double that of 'A'. The elastic strength of beam 'B' will be _________ as compared to beam ‘A’.
A Same
B Double
C Four times
D Six times
A simply supported beam 'A' of length l, breadth b, and depth d carries a central point load W. Another beam 'B' has the same length and depth but its breadth is doubled. The deflection of beam 'B' will be __________ as compared to beam 'A'.
A One-fourth
B One-half
C Double
D Four times

Next steps