Mechanical Engineering - Strength of Materials
Exercise : Strength of Materials - Section 4
41.
A thin cylindrical shell of diameter (d), length (l) and thickness (t) is subjected to an internal pressure (p). The ratio of longitudinal strain to hoop strain is
42.
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.
and lies at the centre of the beam.43.
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)
44.
When a body is subjected to bi-axial stress i.e. direct stresses (σx) and (σy) in two mutually perpendicular planes accompanied by a simple shear stress (τxy), then maximum normal stress is
45.
In a thick cylindrical shell subjected to an internal pressure (p), the tangential stress across the thickness of a cylinder is
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