Strength of Materials Questions

• The rectangular beam 'A' has length l, width b and depth d. Another beam 'B' has the same length and width but depth is double that of 'A'. The elastic strength of beam B will be __________ as compared to beam A.
• The shear force at apoint on a beam is the algebraic __________ of all the forces on either side of the point.
• When the shear force diagram is a parabolic curve between two points, it indicates that there is a
• 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.
• The point of contraflexure occurs in
• The maximum deflection of a cantilever beam of length l with a uniformly distributed load of w per unit length is (where W = wl)
• The polar modulus for a solid shaft of diameter (D) is
• The polar moment of inertia of a hollow shaft of outer diameter (D) and inner diameter (d) is
• The Poisson's ratio for cast iron varies from
• The rivets are made from ductile material.
• The maximum shear stress of a beam of triangular section occurs above the neutral axis,
• For a beam, as shown in the below figure, the maximum deflection lies at
• The resultant stress on an inclined plane which is inclined at an angle θ to the normal cross-section of a body which is subjected to a direct tensile stress (σ) in one plane, is
• When a rectangular beam is loaded transversely, the zero stress is developed on the neutral axis.
• Compression members always tend to buckle in the direction of the
• According to Euler's column theory, the crippling load for a column of length (l) fixed at both ends is __________ the crippling load for a similar column hinged at both ends.
• The slenderness ratio is the ratio of
• According to Euler's column theory, the crippling load for a column of length (l) with one end fixed and the other end free is __________ the crippling load for a similar column hinged at both the ends.
• In a cantilever beam of length l subjected to a uniformly distributed load of w per unit length, the maximum deflection lies at the fixed end.
• Rivets are generally specified by