Theory of Structures If Q is load factor, S is shape factor and F is factor of safety in elastic design, the following: Q = S + F Q = S – F Q = S × F Q = F – S Q = S + F Q = S – F Q = S × F Q = F – S ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures For beams of uniform strength, if depth is constant, Width b M Width b M 2 Width b 3 M Width b 1/M Width b M Width b M 2 Width b 3 M Width b 1/M ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures At yield point of a test piece, the material Obeys Hooke’s law Undergoes plastic deformation Regains its original shape on removal of the load Behaves in an elastic manner Obeys Hooke’s law Undergoes plastic deformation Regains its original shape on removal of the load Behaves in an elastic manner ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The ratio of maximum shear stress to average shear stress of a circular beam, is 3/2 2/3 4/3 4/7 3/2 2/3 4/3 4/7 ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A steel bar 5 m × 50 mm is loaded with 250,000 N. If the modulus of elasticity of the material is 0.2 MN/mm² and Poisson’s ratio is 0.25, the change in the volume of the bar is: 4.125 cm² 2.125 cm³ 3.125 cm³ 1.125 cm³ 4.125 cm² 2.125 cm³ 3.125 cm³ 1.125 cm³ 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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