Structural Analysis Independent displacement components at each joint of a rigid-jointed plane frame are three rotations two linear movements and one rotation one linear movement and two rotations three linear movements three rotations two linear movements and one rotation one linear movement and two rotations three linear movements 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 – 3j m + r – 2j m + r + 2j m – r + 2j m + r – 3j m + r – 2j m + r + 2j m – r + 2j ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis Castigliano’s first theorem is applicable None of these when the system behaves elastically for statically determinate structures only only when principle of superposition is valid None of these when the system behaves elastically for statically determinate structures only only when principle of superposition is valid 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) None of these (m + r)>2j (m + r)<2j m + r = 2j None of these (m + r)>2j (m + r)<2j m + r = 2j ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis When a load crosses a through type Pratt truss in the direction left to right, the nature of force in any diagonal member in the left half of the span would Change from compression to tension Change from tension to compression Always be compression Always be tension Change from compression to tension Change from tension to compression Always be compression Always be tension ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis The fixed support in a real beam becomes in the conjugate beam a Free end Roller support Fixed support Hinged support Free end Roller support Fixed support Hinged support ANSWER DOWNLOAD EXAMIANS APP