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 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 The maximum bending moment due to a train of wheel loads on a simply supported girder Always occurs at centre of span Never occurs under a wheel load Always occurs under a wheel load None of these Always occurs at centre of span Never occurs under a wheel load Always occurs under a wheel load None of these ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis The fixed support in a real beam becomes in the conjugate beam a Roller support Free end Hinged support Fixed support Roller support Free end Hinged support Fixed support ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis The three moments equation is applicable only when The beam is prismatic The spans are equal There is no discontinuity such as hinges within the span There is no settlement of supports The beam is prismatic The spans are equal There is no discontinuity such as hinges within the span There is no settlement of supports ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis The thickness of the rectangular plate for the cap or base of a solid round steel columns, is calculated from the formula t = √[(9W/16 fbct) × D/(D -d)] where ‘d’ is The dimension of the base The diameter of the base The reduced diameter of the column The diameter of the top The dimension of the base The diameter of the base The reduced diameter of the column The diameter of the top ANSWER DOWNLOAD EXAMIANS APP