Structural Analysis If in a pin-jointed plane frame (m + r) > 2j, then the frame is(Where ‘m’ is number of members, ‘r’ is reaction components and ‘j’ is number of joints) Unstable None of these Stable and statically determinate Stable and statically indeterminate Unstable None of these Stable and statically determinate Stable and statically indeterminate ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis The test strength of the sample is taken as the average of the strength of 2 specimens 3 specimens 5 specimens 4 specimens 2 specimens 3 specimens 5 specimens 4 specimens ANSWER DOWNLOAD EXAMIANS APP
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) 3m + r – 3j m + r – 2j m + r – 3j m + r + 3j 3m + r – 3j m + r – 2j m + r – 3j m + r + 3j 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 8 9 7 6 8 9 7 6 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 ? 5 mm 0.5 mm 0.05 mm 0.005mm 5 mm 0.5 mm 0.05 mm 0.005mm ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis For stable structures, one of the important properties of flexibility and stiffness matrices is that the elements on the main diagonal (i) Of a stiffness matrix must be positive (ii) Of a stiffness matrix must be negative (iii) Of a flexibility matrix must be positive (iv) Of a flexibility matrix must be negative The correct answer is (ii) and (iii) (i) and (iv) (ii) and (iv) (i) and (iii) (ii) and (iii) (i) and (iv) (ii) and (iv) (i) and (iii) ANSWER DOWNLOAD EXAMIANS APP
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