Structural Analysis The degree of static indeterminacy of a pin-jointed space frame is given by (where m is number of unknown member forces, r is unknown reaction components and j is number of joints) m + r – 3j m + r – 2j m + r + 3j 3m + r – 3j m + r – 3j m + r – 2j m + r + 3j 3m + r – 3j ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis Which of the following methods of structural analysis is a force method? Column analogy method Moment distribution method None of these Slope deflection method Column analogy method Moment distribution method None of these Slope deflection method ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis The number of independent equations to be satisfied for static equilibrium of a plane structure is 4 6 3 5 4 6 3 5 ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis Castigliano’s first theorem is applicable for statically determinate structures only None of these only when principle of superposition is valid when the system behaves elastically for statically determinate structures only None of these only when principle of superposition is valid when the system behaves elastically ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis For stable structures, one of the important properties of flexibility and stiffness matrices is that the elements on the main diagonal (i) Of a stiffness matrix must be positive (ii) Of a stiffness matrix must be negative (iii) Of a flexibility matrix must be positive (iv) Of a flexibility matrix must be negative The correct answer is (ii) and (iv) (ii) and (iii) (i) and (iii) (i) and (iv) (ii) and (iv) (ii) and (iii) (i) and (iii) (i) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis The principle of virtual work can be applied to elastic system by considering the virtual work of None of these Internal forces only Internal as well as external forces External forces only None of these Internal forces only Internal as well as external forces External forces only ANSWER DOWNLOAD EXAMIANS APP