Theory of Structures The stiffness of the close coil helical spring is 4D3N/d4n d4N/8D3n 8D3N/d4n d4N/4D3n 4D3N/d4n d4N/8D3n 8D3N/d4n d4N/4D3n 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 0.303 0.404 0.707 0.505 0.303 0.404 0.707 0.505 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 Rankine Straight line formula Parabolic formula Perry Rankine Straight line formula Parabolic formula Perry ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures parabolic arch of span and rise , is given by The equation of a y = h/l² × (1 – x ) y = 4h/l² × (1 – x) y = 2h/l² × (1 – x) y = 3h/l² × (1 – x) y = h/l² × (1 – x ) y = 4h/l² × (1 – x) y = 2h/l² × (1 – x) y = 3h/l² × (1 – x) ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The ratio of maximum and average shear stresses on a rectangular section, is 2.5 1 1.25 1.5 2.5 1 1.25 1.5 ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures For determining the support reactions at A and B of a three hinged arch, points B and Care joined and produced to intersect the load line at D and a line parallel to the load line through A at D’. Distances AD, DD’ and AD’ when measured were 4 cm, 3 cm and 5 cm respectively. The angle between the reactions at A and B is 30° 60° 90° 45° 30° 60° 90° 45° ANSWER DOWNLOAD EXAMIANS APP
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