Theory of Structures a uniform circular bar of diameter d and length , which extends by an The deflection of amount under a tensile pull , when it carries the same load at its mid-span, is el²/3d² el/2d ee²l/3d² e²l²/3d² el²/3d² el/2d ee²l/3d² e²l²/3d² ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A steel rod 1 metre long having square cross section is pulled under a tensile load of 8 tonnes. The extension in the rod was 1 mm only. If Esteel = 2 × 106 kg/cm², the side of the rod, is 1 cm 1.5 cm 2 cm 2.5 cm 1 cm 1.5 cm 2 cm 2.5 cm ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A shaft subjected to a bending moment M and a torque T, experiences Maximum shear stress = 16 T/πd³ Both A and B Neither A nor B Maximum bending stress = 32M/πd³ Maximum shear stress = 16 T/πd³ Both A and B Neither A nor B Maximum bending stress = 32M/πd³ 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 1.125 cm³ 3.125 cm³ 4.125 cm² 2.125 cm³ 1.125 cm³ 3.125 cm³ ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The strain energy stored in a spring when subjected to greatest load without being permanently distorted, is called Proof stress Stiffness Proof load Proof resilience Proof stress Stiffness Proof load Proof resilience ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A truss containing j joints and m members, will be a simple truss if m = 2j – 3 m = 3j – 2 j = 2m – 3 j = 3m – 2 m = 2j – 3 m = 3j – 2 j = 2m – 3 j = 3m – 2 ANSWER DOWNLOAD EXAMIANS APP
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