Strength of Materials Questions

• 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
• A closely-coiled helical spring is cut into two halves. The stiffness of the resulting spring will be
• The modulus of elasticity for mild steel is approximately equal to
• A thick pressure vessel is always used for the generation of steam, as it can withstand high pressures.
• A beam supported on more than two supports is called
• The assumption made in Euler's column theory is that