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 Degree of static indeterminacy of a rigid-jointed plane frame having 15 members, 3 reaction components and 14 joints is 6 9 8 7 6 9 8 7 ANSWER DOWNLOAD EXAMIANS APP
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 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 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 displacement is applied at co-ordinate 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 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 displacement is applied at co-ordinate j and the forces are calculated at all coordinates ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis In the displacement method of structural analysis, the basic unknowns are None of these force displacements displacements and forces None of these force displacements displacements and forces ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis For under water concreting. De-watering by pumping is not done or until 24 hours thereafter At least 10 percent more cement is required as compared to dry conditions The volume of coarse aggregates shall not be less than one and half times and not more than twice that of fine aggregate All of these De-watering by pumping is not done or until 24 hours thereafter At least 10 percent more cement is required as compared to dry conditions The volume of coarse aggregates shall not be less than one and half times and not more than twice that of fine aggregate All of these ANSWER DOWNLOAD EXAMIANS APP