Structural Analysis If in a pin-jointed plane frame (m + r) > 2j, then the frame is (Where ‘m’ is number of members, ‘r’ is reaction components and ‘j’ is number of joints) Stable and statically determinate None of these Unstable Stable and statically indeterminate Stable and statically determinate None of these Unstable Stable and statically indeterminate ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis Muller Breslau’s principle for obtaining influence lines is applicable to i) trusses ii) statically determinate beams and frames iii) statically indeterminate structures, the material of which is elastic and follows Hooke’s law iv) any statically indeterminate structure The correct answer is (i), (ii) and (iii) (i), (ii) and (iv) (i) and (ii) only (i) (i), (ii) and (iii) (i), (ii) and (iv) (i) and (ii) only (i) ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis Pick up the incorrect statement from the following: The gross section of the web of channels is the depth of the web multiplied by its thickness The gross section of the web of plate girders is the depth of the web plate multiplied by its thickness None of these The gross section of the web of rolled I-beams is the depth of the beam multiplied by the web thickness The gross section of the web of channels is the depth of the web multiplied by its thickness The gross section of the web of plate girders is the depth of the web plate multiplied by its thickness None of these The gross section of the web of rolled I-beams is the depth of the beam multiplied by the web thickness ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis Effects of shear force and axial force on plastic moment capacity of a structure are respectively to decrease and decrease increase and decrease decrease and increase increase and increase decrease and decrease increase and decrease decrease and increase increase and increase ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis Castigliano’s first theorem is applicable only when principle of superposition is valid None of these when the system behaves elastically for statically determinate structures only only when principle of superposition is valid None of these when the system behaves elastically for statically determinate structures only 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 – 3j m + r – 2j m + r + 2j m – r + 2j m + r – 3j m + r – 2j m + r + 2j m – r + 2j ANSWER DOWNLOAD EXAMIANS APP