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 The deformation of a spring produced by a unit load is called stiffness flexibility influence coefficient unit strain stiffness flexibility influence coefficient unit strain ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis Degree of kinematic indeterminacy of a pin-jointed plane frame is given by 2j + r 2j – r j – 2r 3j – r 2j + r 2j – r j – 2r 3j – r 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 span is midway between the centre of gravity of the load system and the wheel load under consideration The centre of gravity of the load system is midway between the centre of span and wheel load under consi-deration None of these The wheel load under consideration is midway between the centre of span and the centre of gravity of the load system The centre of span is midway between the centre of gravity of the load system and the wheel load under consideration The centre of gravity of the load system is midway between the centre of span and wheel load under consi-deration None of these The wheel load under consideration is midway between the centre of span and the centre of gravity of the load system 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 (i) and (iv) (ii) and (iii) (ii) and (iv) (i) and (iii) (i) and (iv) (ii) and (iii) (ii) and (iv) (i) and (iii) 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 (iii) (ii) and (iv) (ii) and (iii) (i) and (iv) (i) and (iii) (ii) and (iv) (ii) and (iii) (i) and (iv) ANSWER DOWNLOAD EXAMIANS APP
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