Structural Analysis A pin-jointed plane frame is unstable if (where m is number of members, r is reaction components and j is number of joints) None of these (m + r)>2j m + r = 2j (m + r)<2j None of these (m + r)>2j m + r = 2j (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 negative The correct answer is (ii) and (iii) (i) and (iii) (ii) and (iv) (i) and (iv) (ii) and (iii) (i) and (iii) (ii) and (iv) (i) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis Number of unknown internal forces in each member of a rigid jointed plane frame is 4 9 3 6 4 9 3 6 ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis The degree of kinematic indeterminacy of a pin-jointed space frame is (where m, r and j have their usual meanings) j-3r 2j-r j-2r 3j-r j-3r 2j-r j-2r 3j-r ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis While using three moments equation, a fixed end of a continuous beam is replaced by an additional span of infinite length zero length zero moment of inertia None of these infinite length zero length zero moment of inertia None of these ANSWER DOWNLOAD EXAMIANS APP
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 + r) = 3j (3m + r) = 3j (m + 3r) = 3j (m + r) = 2j (m + r) = 3j (3m + r) = 3j (m + 3r) = 3j ANSWER DOWNLOAD EXAMIANS APP