Related Questions

If the depth of actual neutral axis in a beam is more than the depth of critical neutral axis, then the beam is called
A Balanced beam
B Under reinforced beam
C Over reinforced beam
D None of the above
In case of an under-reinforced beam, the depth of actual neutral axis is __________ that of the critical neutral axis.
A Same as
B Less than
C Greater than
D None of these
In a D.C. generator the magnetic neutral axis coincides with the geometrical neutral axis, when
A There is no load on the generator
B The generator runs on full load
C The generator runs on overload
D The generator runs on designed speed
The neutral axis of the cross-section a beam is that axis at which the bending stress is
A Zero
B Minimum
C Maximum
D Infinity
The neutral axis of the cross-section of a beam is that axis at which the bending stress is
A Zero
B Minimum
C Maximum
D Infinity
If d and n are the effective depth and depth of the neutral axis respectively of a singly reinforced beam, the lever arm of the beam, is
A d
B n
C $${\text{d}} + \frac{{\text{n}}}{3}$$
D $${\text{d}} - \frac{{\text{n}}}{3}$$
If the modular ratio is ‘m’, steel ratio is ‘r’ and overall depth of a beam is ‘d’, the depth of the critical neutral axis of the beam, is
A $$\frac{{\text{m}}}{{{\text{m}} - {\text{r}}}} \times {\text{d}}$$
B $$\frac{{\text{m}}}{{{\text{m}} + {\text{r}}}} \times {\text{d}}$$
C $$\frac{{{\text{m}} + {\text{r}}}}{{\text{m}}} \times {\text{d}}$$
D $$\frac{{{\text{r}} - {\text{m}}}}{{\text{m}}} \times {\text{d}}$$
A T-beam behaves as a rectangular beam of a width equal to its flange if its neutral axis
A Remains within the flange
B Remains below the slab
C Coincides the geometrical centre of the beam
D None of these
A spherical body is symmetrical about its perpendicular axis. According to Routh's rule, the moment of inertia of a body about an axis passing through its centre of gravity is (where, M = Mass of the body and S = Sum of the squares of the two semi-axes.)
A $$\frac{{{\text{MS}}}}{3}$$
B $$\frac{{{\text{MS}}}}{4}$$
C $$\frac{{{\text{MS}}}}{5}$$
D None of these
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

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