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
Options
A. pd/t
B. pd/2t
C. pd/4t
D. pd/6t
Correct Answer
pd/4t
Strength of Materials problems
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1. The tensile strength of the welded joint for double fillet is (where s = Leg or size of the weld, l = Length of weld, and ?t = Allowable tensile stress for weld metal)
6. When a body is subjected to bi-axial stress i.e. direct stresses (?x) and (?y) in two mutually perpendicular planes accompanied by a simple shear stress (?xy), then maximum normal stress is
7. The horizontal thrust offered by the retaining wall on the retained material is (where w = Specific weight of the retained material, h = height of retaining wall, and (?) = Angle of repose of the retained earth)
8. The extension of a circular bar tapering uniformly from diameter d1 at one end to diameter d2 at the other end, and subjected to an axial pull of P is given by
9. The bending moment 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 wl/4.
