Related Questions

The design stress, which is more than the damaging stress, is the least unit stress that will render a member unfit for service before the end of its normal life. The design stress factor or factor of safety indicates the margin between design stress and the __________ stress.
A Working
B Damaging
C Allowable
D None of these
The bending moment of a cantilever beam of length $$l$$ and carrying a gradually varying load from zero at free end and w per unit length at the fixed end is ________ at the fixed end.
A $$\frac{{{\text{w}}l}}{2}$$
B $${\text{w}}l$$
C $$\frac{{{\text{w}}{l^2}}}{2}$$
D $$\frac{{{\text{w}}{l^2}}}{6}$$
The shear force of a cantilever beam of length $$l$$ and carrying a gradually varying load from zero at the free end and w per unit length at the fixed end is _________ at the fixed end.
A Zero
B $$\frac{{{\text{w}}l}}{4}$$
C $$\frac{{{\text{w}}l}}{2}$$
D $${\text{w}}l$$
A beam is loaded as cantilever. If the load at the end is increased, the failure will occur
A In the middle
B At the tip below the load
C At the support
D Anywhere
When an open coiled helical compression spring is subjected to an axial compressive load, the maximum shear stress induced in the wire is (where D = Mean diameter of the spring coil, d = Diameter of the spring wire, K = Wahl's stress factor and W = Axial compressive load on the spring)
A $$\frac{{{\text{WD}}}}{{\pi {{\text{d}}^3}}} \times {\text{K}}$$
B $$\frac{{2{\text{WD}}}}{{\pi {{\text{d}}^3}}} \times {\text{K}}$$
C $$\frac{{4{\text{WD}}}}{{\pi {{\text{d}}^3}}} \times {\text{K}}$$
D $$\frac{{8{\text{WD}}}}{{\pi {{\text{d}}^3}}} \times {\text{K}}$$
The simply supported beam 'A' of length '$$l$$' carries a central point load 'W'. Another beam 'B' is loaded with a uniformly distributed load such that the total load on the beam is 'W'. The ratio of maximum deflections between beams 'A' and 'B' is
A $$\frac{5}{8}$$
B $$\frac{8}{5}$$
C $$\frac{5}{4}$$
D $$\frac{4}{5}$$
The ratio of the maximum deflections of a simply supported beam with a central load W and of a cantilever of same length and with a load W at its free end, is
A $$\frac{1}{8}$$
B $$\frac{1}{{10}}$$
C $$\frac{1}{{12}}$$
D $$\frac{1}{{16}}$$
The shear force diagram for a cantilever beam of length l and carrying a gradually varying load from zero at free end and w per unit length at the fixed end is a
A Horizontal straight line
B Vertical straight line
C Inclined line
D Parabolic curve
A cantilever beam of length L carries a gradually varying load form zero at free and w per unit length at the fixed end. The maximum deflection lies at
A free end
B fixed end
C L/3 sloping side
D none of these
The maximum deflection of a cantilever beam of length '$$l$$' with a point load 'W' at the free end is
A $$\frac{{{\text{W}}{l^3}}}{{3{\text{E}}I}}$$
B $$\frac{{{\text{W}}{l^3}}}{{8{\text{E}}I}}$$
C $$\frac{{{\text{W}}{l^3}}}{{16{\text{E}}I}}$$
D $$\frac{{{\text{W}}{l^3}}}{{48{\text{E}}I}}$$

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