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 (3m + r) = 3j (m + r) = 3j (m + 3r) = 3j (m + r) = 2j (3m + r) = 3j (m + r) = 3j (m + 3r) = 3j ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis The thickness of the rectangular plate for the cap or base of a solid round steel columns, is calculated from the formulat = √[(9W/16 fbct) × D/(D -d)] where ‘d’ is The dimension of the base The diameter of the base The diameter of the top The reduced diameter of the column The dimension of the base The diameter of the base The diameter of the top The reduced diameter of the column 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
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 (i) and (iii) (i) and (iv) (ii) and (iii) (ii) and (iv) (i) and (iii) (i) and (iv) (ii) and (iii) (ii) and (iv) 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
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 (i) and (iv) (ii) and (iii) (i) and (iii) (ii) and (iv) (i) and (iv) (ii) and (iii) (i) and (iii) (ii) and (iv) ANSWER DOWNLOAD EXAMIANS APP