Theory of Structures A truss containing j joints and m members, will be a simple truss if j = 2m – 3 m = 3j – 2 m = 2j – 3 j = 3m – 2 j = 2m – 3 m = 3j – 2 m = 2j – 3 j = 3m – 2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The general expression for the B.M. of a beam of length l is the beam carries M = (wl/2) x – (wx²/2) An isolated load at mid span A uniformly distributed load w/unit length None of these A load varying linearly from zero at one end to w at the other end An isolated load at mid span A uniformly distributed load w/unit length None of these A load varying linearly from zero at one end to w at the other end ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The ratio of the stresses produced by a suddenly applied load and by a gradually applied load on a bar, is 1 1/2 2 1/4 1 1/2 2 1/4 ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures For a strongest rectangular beam cut from a circular log, the ratio of the width and depth, is 0.404 0.707 0.303 0.505 0.404 0.707 0.303 0.505 ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A simply supported beam A carries a point load at its mid span. Another identical beam B carries the same load but uniformly distributed over the entire span. The ratio of the maximum deflections of the beams A and B, will be 5/8 8/5 2/3 3/2 5/8 8/5 2/3 3/2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures For calculating the allowable stress of long columns σ0 = σy/n [1 - a (1/r)²]is the empirical formula, known as Perry Rankine Straight line formula Parabolic formula Perry Rankine Straight line formula Parabolic formula ANSWER DOWNLOAD EXAMIANS APP
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