Structural Analysis A rigid-jointed plane frame is stable and statically determinate if (where m is number of members, r is reaction components and j is number of joints) (m + r) = 2j (m + 3r) = 3j (m + r) = 3j (3m + r) = 3j (m + r) = 2j (m + 3r) = 3j (m + r) = 3j (3m + r) = 3j 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 increase increase and increase decrease and decrease increase and decrease decrease and increase increase and increase decrease and decrease increase and decrease 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 + 2j m + r – 3j m + r + 2j m + r – 2j m – r + 2j m + r – 3j m + r + 2j 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 negativeThe correct answer is (ii) and (iii) (i) and (iii) (i) and (iv) (ii) and (iv) (ii) and (iii) (i) and (iii) (i) and (iv) (ii) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis The number of independent equations to be satisfied for static equilibrium in a space structure is 9 8 6 7 9 8 6 7 ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis The effective and actual lengths of a cantilever are same if continuous at the support, Restrained against torsion at the support and free at the end None of these With partial restraint against torsion of the support and free at the end Unstrained against torsion at the support and free at the end Restrained against torsion at the support and free at the end None of these With partial restraint against torsion of the support and free at the end Unstrained against torsion at the support and free at the end ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS