Structural Analysis In column analogy method, the area of an analogous column for a fixed beam of span L and flexural rigidity El is taken as L/2EI L/EI L/3EI L/4EI L/2EI L/EI L/3EI L/4EI ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis The three moments equation is applicable only when The spans are equal There is no discontinuity such as hinges within the span There is no settlement of supports The beam is prismatic The spans are equal There is no discontinuity such as hinges within the span There is no settlement of supports The beam is prismatic 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) (i) and (iv) (ii) and (iii) (i) and (iii) (ii) and (iv) (i) and (iv) (ii) and (iii) (i) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis The deflection at any point of a perfect frame can be obtained by applying a unit load at the joint in Vertical direction The direction in which the deflection is required Inclined direction Horizontal direction Vertical direction The direction in which the deflection is required Inclined direction Horizontal direction 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 The principle of virtual work can be applied to elastic system by considering the virtual work of Internal as well as external forces External forces only None of these Internal forces only Internal as well as external forces External forces only None of these Internal forces only ANSWER DOWNLOAD EXAMIANS APP