Structural Analysis Castigliano’s first theorem is applicable for statically determinate structures only None of these when the system behaves elastically only when principle of superposition is valid for statically determinate structures only None of these when the system behaves elastically only when principle of superposition is valid ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis The degree of static indeterminacy of a rigid-jointed space frame is (where m, r and j have their usual meanings) m + r – 2j 3m + r – 3j 6m + r – 6j m + r – 3j m + r – 2j 3m + r – 3j 6m + r – 6j m + r – 3j ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis The deformation of a spring produced by a unit load is called influence coefficient unit strain stiffness flexibility influence coefficient unit strain stiffness flexibility ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis If there are m unknown member forces, r unknown reaction components and j number of joints, then the degree of static indeterminacy of a pin-jointed plane frame is given by m – r + 2j m + r – 3j m + r + 2j m + r – 2j m – r + 2j m + r – 3j m + r + 2j m + r – 2j ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis A single rolling load of 8 kN rolls along a girder of 15 m span. The absolute maximum bending moment will be 15 kN.m 8 kN.m 30 kN.m 60 kN.m 15 kN.m 8 kN.m 30 kN.m 60 kN.m ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis For a two-hinged arch, if one of the supports settles down vertically, then the horizontal thrust Remains unchanged Is increased Becomes zero Is decreased Remains unchanged Is increased Becomes zero Is decreased ANSWER DOWNLOAD EXAMIANS APP
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