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 three moments equation is applicable only when There is no settlement of supports There is no discontinuity such as hinges within the span The spans are equal The beam is prismatic There is no settlement of supports There is no discontinuity such as hinges within the span The spans are equal The beam is prismatic ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis Castigliano’s first theorem is applicable for statically determinate structures only only when principle of superposition is valid when the system behaves elastically None of these for statically determinate structures only only when principle of superposition is valid when the system behaves elastically None of these ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis Study the following statements.i) The displacement method is more useful when degree of kinematic indeterminacy is greater than the degree of static indeterminacy.ii) The displacement method is more useful when degree of kinematic indeterminacy is less than the degree of static indeterminacy.iii) The force method is more useful when degree of static indeterminacy is greater than the degree of kinematic indeterminacy.iv) The force method is more useful when degree of static indeterminacy is less than the degree of kinematic indeterminacy.The correct answer is (ii) and (iii) (ii) and (iv) (i) and (iii) (i) and (iv) (ii) and (iii) (ii) and (iv) (i) and (iii) (i) and (iv) 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 (iii) (i) and (iv) (ii) and (iii) (ii) and (iv) (i) and (iii) (i) and (iv) (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis Independent displacement components at each joint of a rigid-jointed plane frame are two linear movements and one rotation one linear movement and two rotations three rotations three linear movements two linear movements and one rotation one linear movement and two rotations three rotations three linear movements ANSWER DOWNLOAD EXAMIANS APP