Structural Analysis A pin-jointed plane frame is unstable if (where m is number of members, r is reaction components and j is number of joints) (m + r)>2j m + r = 2j None of these (m + r)<2j (m + r)>2j m + r = 2j None of these (m + r)<2j ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis The number of independent displacement components at each joint of a rigid-jointed space frame is 3 2 1 6 3 2 1 6 ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis Muller Breslau’s principle for obtaining influence lines is applicable toi) trussesii) statically determinate beams and framesiii) statically indeterminate structures, the material of which is elastic and follows Hooke’s lawiv) any statically indeterminate structureThe correct answer is (i), (ii) and (iii) (i) and (ii) (i), (ii) and (iv) only (i) (i), (ii) and (iii) (i) and (ii) (i), (ii) and (iv) only (i) ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis For a single point load W moving on a symmetrical three hinged parabolic arch of span L, the maximum sagging moment occurs at a distance x from ends. The value of x is 0.234 L 0.211 L 0.5 L 0.25 L 0.234 L 0.211 L 0.5 L 0.25 L ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis To generate the j th column of the flexibility matrix a unit force is applied at coordinate j and the displacements are calculated at all coordinates a unit displacement is applied at co-ordinate j and the forces are calculated at all coordinates a unit displacement is applied at co-ordinate j and the displacements are calculated at all co-ordinates a unit force is applied at coordinate j and the forces are calculated at all coordinates a unit force is applied at coordinate j and the displacements are calculated at all coordinates a unit displacement is applied at co-ordinate j and the forces are calculated at all coordinates a unit displacement is applied at co-ordinate j and the displacements are calculated at all co-ordinates a unit force is applied at coordinate j and the forces are calculated at all coordinates 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 + 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
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