Structural Analysis A single rolling load of 8 kN rolls along a girder of 15 m span. The absolute maximum bending moment will be 60 kN.m 30 kN.m 15 kN.m 8 kN.m 60 kN.m 30 kN.m 15 kN.m 8 kN.m ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis In the slope deflection equations, the deformations are considered to be caused by i) bending moment ii) shear force iii) axial force The correct answer is (i), (ii) and (iii) (i)and(ii) only (i) (ii) and (iii) (i), (ii) and (iii) (i)and(ii) only (i) (ii) and (iii) 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 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 + 3r) = 3j (m + r) = 2j (m + r) = 3j (3m + r) = 3j (m + 3r) = 3j (m + r) = 2j (m + r) = 3j (3m + r) = 3j 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 (iv) (i) and (iii) (ii) and (iii) (ii) and (iv) (i) and (iv) (i) and (iii) (ii) and (iii) (ii) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis When a series of wheel loads crosses a simply supported girder, the maximum bending moment under any given wheel load occurs when The centre of gravity of the load system is midway between the centre of span and wheel load under consi-deration The centre of span is midway between the centre of gravity of the load system and the wheel load under consideration The wheel load under consideration is midway between the centre of span and the centre of gravity of the load system None of these The centre of gravity of the load system is midway between the centre of span and wheel load under consi-deration The centre of span is midway between the centre of gravity of the load system and the wheel load under consideration The wheel load under consideration is midway between the centre of span and the centre of gravity of the load system None of these ANSWER DOWNLOAD EXAMIANS APP