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 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 (ii) and (iv) (i) and (iv) (ii) and (iii) (i) and (iii) (ii) and (iv) (i) and (iv) (ii) and (iii) (i) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis The test strength of the sample is taken as the average of the strength of 2 specimens 5 specimens 3 specimens 4 specimens 2 specimens 5 specimens 3 specimens 4 specimens ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis The maximum bending moment due to a train of wheel loads on a simply supported girder None of these Always occurs at centre of span Always occurs under a wheel load Never occurs under a wheel load None of these Always occurs at centre of span Always occurs under a wheel load Never occurs under a wheel load 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) (3m + r) = 3j (m + r) = 3j (m + 3r) = 3j (m + r) = 2j (3m + r) = 3j (m + r) = 3j (m + 3r) = 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 (i) and (iv) (ii) and (iv) (i) and (iii) (ii) and (iii) (i) and (iv) (ii) and (iv) (i) and (iii) (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
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