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) = 3j (3m + r) = 3j (m + 3r) = 3j (m + r) = 2j (m + r) = 3j (3m + r) = 3j (m + 3r) = 3j (m + r) = 2j ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis In the displacement method of structural analysis, the basic unknowns are displacements and forces None of these displacements force displacements and forces None of these displacements force ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis The degree of static indeterminacy of a pin-jointed space frame is given by (where m is number of unknown member forces, r is unknown reaction components and j is number of joints) m + r – 3j m + r + 3j 3m + r – 3j m + r – 2j m + r – 3j m + r + 3j 3m + r – 3j m + r – 2j ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis The width of the analogous column in the method of column analogy is 1/4 EI 2/EI 1/2 EI 1/EI 1/4 EI 2/EI 1/2 EI 1/EI ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis A simply supported beam deflects by 5 mm when it is subjected to a concentrated load of 10 kN at its centre. What will be deflection in a 1/10 model of the beam if the model is subjected to a 1 kN load at its centre ? 5 mm 0.5 mm 0.05 mm 0.005mm 5 mm 0.5 mm 0.05 mm 0.005mm 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 (iv) (ii) and (iii) (i) and (iv) (i) and (iii) (ii) and (iv) (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
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