Structural Analysis The principle of virtual work can be applied to elastic system by considering the virtual work of Internal forces only External forces only None of these Internal as well as external forces Internal forces only External forces only None of these Internal as well as external forces ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis Principle of superposition is applicable when Deflections are linear functions of applied forces The action of applied forces will be affected by small deformations of the structure None of these Material obeys Hooke's law Deflections are linear functions of applied forces The action of applied forces will be affected by small deformations of the structure None of these Material obeys Hooke's law ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis The effective length of lacing is the distance Between the inner end rivets of the bar for single lacing Between the inner ends of effective lengths of welds connecting the members All of these 0.7 of the distance between the inner end rivets of the bar for double lacing Between the inner end rivets of the bar for single lacing Between the inner ends of effective lengths of welds connecting the members All of these 0.7 of the distance between the inner end rivets of the bar for double lacing ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis If in a pin-jointed plane frame (m + r) > 2j, then the frame is (Where ‘m’ is number of members, ‘r’ is reaction components and ‘j’ is number of joints) Unstable Stable and statically determinate Stable and statically indeterminate None of these Unstable Stable and statically determinate Stable and statically indeterminate None of these 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 (iv) (i) and (iii) (ii) and (iv) (ii) and (iii) (i) and (iv) (i) and (iii) (ii) and (iv) 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
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