Strength of Materials Questions

• The maximum bending moment for the beam shown in the below figure, is
• When a closely-coiled helical spring of mean diameter (D) is subjected to an axial load (W), the stiffness of the spring is given by
• The shear force at the centre of a simply supported beam with a gradually varying load from zero at both ends to w per metre at the centre, is
• The shear force at a certain point on a beam changes sign from +ve value to -ve value or vice versa. The bending moment at that point will be zero.
• The capacity of a strained body for doing work on the removal of the straining force, is called
• The distance between the centres of rivets in adjacent rows of zig-zag riveted joint, is called back pitch.
• When a material is loaded within elastic limit, the material will regain its shape and size when the load is removed.
• The critical neutral axis of a reinforced cement concrete beam is based on the principle that the neutral axis is situated at the centre of gravity of a given section.
• The limit of eccentricity for no tensile conditions for a column of circular section of diameter (d) is
• The Rankine's formula holds good for
• The bending stress in abeam is __________ bending moment.
• Shear modulus is the ratio of
• The bending moment of a cantilever beam of length l and carrying a uniformly distributed load of w per unit length is __________ at the free end.
• The shear force at the ends of a simply supported beam carrying a uniformly distributed load of w per unit length is
• In case of eccentrically loaded struts __________ is preferred.
• In leaf springs, the maximum bending stress developed in the plates is (where W = Load acting on the spring, l = Span of the spring, n = Number of plates, b = Width of plates, and t = Thickness of plates)
• The shear modulus of most materials with respect to the modulus of elasticity is
• The ultimate tensile stress for mild steel is __________ the ultimate compressive stress.
• In a watch, the spring is used to store strain energy. This energy is released
• A rectangular beam of length l supported at its two ends carries a central point load W. The maximum deflection occurs