Related Questions

If the sides of a slab simply supported on edges and spanning in two directions are equal, the maximum bending moment is multiplied by
A 0.2
B 0.3
C 0.4
D 0.5
If W is total load per unit area on a panel, D is the diameter of the column head, L is the span in two directions, then the sum of the maximum positive bending moment and average of the negative bending moment for the design of the span of a square flat slab, should not be less than
A $$\frac{{{\text{WL}}}}{{12}}{\left( {{\text{L}} - \frac{{2{\text{D}}}}{3}} \right)^2}$$
B $$\frac{{{\text{WL}}}}{{10}}{\left( {{\text{L}} + \frac{{2{\text{D}}}}{3}} \right)^2}$$
C $$\frac{{{\text{WL}}}}{{10}}{\left( {{\text{L}} - \frac{{2{\text{D}}}}{3}} \right)^2}$$
D $$\frac{{{\text{WL}}}}{{12}}{\left( {{\text{L}} - \frac{{\text{D}}}{3}} \right)^2}$$
The pitch of the main bars in a simply supported slab, should not exceed its effective depth by
A Three times
B Four times
C Five times
D Six times
A shaft of diameter D is subjected to a twisting moment (T) and a bending moment (M). If the maximum bending stress is equal to maximum shear stress developed, then M is equal to
A $$\frac{{\text{T}}}{2}$$
B T
C 2T
D 4T
When a series of wheel loads crosses a simply supported girder, the maximum bending moment under any given wheel load occurs when
A The centre of gravity of the load system is midway between the centre of span and wheel load under consi-deration
B The centre of span is midway between the centre of gravity of the load system and the wheel load under consideration
C The wheel load under consideration is midway between the centre of span and the centre of gravity of the load system
D None of the above
The maximum bending moment due to a train of wheel loads on a simply supported girder
A Always occurs at centre of span
B Always occurs under a wheel load
C Never occurs under a wheel load
D None of the above
A simply supported beam carries varying load from zero at one end and w at the other end. If the length of the beam is a, the maximum bending moment will be
A $$\frac{{{\text{wa}}}}{{27}}$$
B $$\frac{{{\text{w}}{{\text{a}}^2}}}{{27}}$$
C $$\frac{{{{\text{w}}^2}{\text{a}}}}{{\sqrt {27} }}$$
D $$\frac{{{\text{w}}{{\text{a}}^2}}}{{9\sqrt 3 }}$$
The maximum bending moment of a simply supported beam of span $$l$$ and carrying a point load W at the center of beam, is
A $$\frac{{{\text{W}}l}}{4}$$
B $$\frac{{{\text{W}}l}}{2}$$
C $${\text{W}}l$$
D $$\frac{{{\text{W}}{l^2}}}{4}$$
The ratio of the length and depth of a simply supported rectangular beam which experiences maximum bending stress equal to tensile stress, due to same load at its mid span, is
A $$\frac{1}{2}$$
B $$\frac{2}{3}$$
C $$\frac{1}{4}$$
D $$\frac{1}{3}$$
The maximum ratio of span to depth of a slab simply supported and spanning in one direction, is
A 35
B 25
C 30
D 20

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