Strength of Materials Questions

• Shear strength of the welded joint for double parallel fillet is (where τ = Allowable shear stress for weld metal)
• The radius of the Mohr 's circle in the given figure is equal to
• In a thick cylindrical shell subjected to an internal pressure (p), the radial stress across the thickness of the cylinder is
• When a shaft is subjected to a twisting moment, every cross-section of the shaft will be under
• A body is subjected to a direct tensile stress of 300 MPa in one plane accompanied by a simple shear stress of 200 MPa. The maximum shear stress will be
• A simply supported beam of length l is loaded with a uniformly distributed load of w per unit length. The maximum deflection is and lies at the centre of the beam.
• The bending moment diagram for 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 a parabolic curve.
• The torque transmitted by a hollow shaft of outer diameter (D) and inner diameter (d) is
• If the section modulus of a beam is increased, the bending stress in the beam will
• Two closely-coiled helical springs 'A' and 'B' of the same matenal, same number of turns and made from same wire are subjected to an axial load W. The mean diameter of spring 'A' is double the mean diameter of spring 'B'. The ratio of deflections in spring 'B' to spring 'A' will be
• When a rectangular bar of length l, breadth b and thickness t is subjected to an axial pull of P, then linear strain (ε) is given by (where E = Modulus of elasticity)
• The thermal stress __________ upon the cross-sectional area of the bar.
• For the beam shown in the below figure, the shear force diagram between A and B is
• The line of intersection of the neutral layer with any normal cross-section of the beam is called neutral axis.
• When a body is subjected to a direct tensile stress (σ), the maximum normal stress is equal to the direct tensile stress.
• The strength of the un-riveted or solid plate per pitch length is
• A column that fails due to direct stress, is called
• In a thick cylindrical shell subjected to an internal pressure (p), the maximum radial stress at the inner surface of the shell is
• The tensile strength of the welded joint for double fillet is (where s = Leg or size of the weld, l = Length of weld, and σt = Allowable tensile stress for weld metal)
• A thin cylindrical shell of diameter (d) length (l) and thickness (t) is subjected to an internal pressure (p). The longitudinal stress in the shell is