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 – 2j m + r – 3j m + r + 2j m – r + 2j m + r – 2j m + r – 3j ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis A simply supported beam deflects by 5 mm when it is subjected to a concentrated load of 10 kN at its centre. What will be deflection in a 1/10 model of the beam if the model is subjected to a 1 kN load at its centre ? 0.005mm 0.5 mm 0.05 mm 5 mm 0.005mm 0.5 mm 0.05 mm 5 mm 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 Always be compression Always be tension Change from tension to compression Change from compression to tension Always be compression Always be tension Change from tension to compression Change from compression to tension 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 + 3r) = 3j (m + r) = 3j (3m + r) = 3j (m + r) = 2j (m + 3r) = 3j (m + r) = 3j (3m + r) = 3j (m + r) = 2j ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis The three moments equation is applicable only when There is no discontinuity such as hinges within the span There is no settlement of supports The spans are equal The beam is prismatic There is no discontinuity such as hinges within the span There is no settlement of supports The spans are equal The beam is prismatic ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis The principle of virtual work can be applied to elastic system by considering the virtual work of External forces only None of these Internal forces only Internal as well as external forces External forces only None of these Internal forces only Internal as well as external forces ANSWER DOWNLOAD EXAMIANS APP
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