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 Degree of kinematic indeterminacy of a pin-jointed plane frame is given by j – 2r 2j + r 2j – r 3j – r j – 2r 2j + r 2j – r 3j – r ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis If in a rigid-jointed space frame, (6m + r) < 6j, then the frame is Stable and statically determinate None of these Unstable Stable and statically indeterminate Stable and statically determinate None of these Unstable Stable and statically indeterminate 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
Structural Analysis For the stability of a structural part, the weight or anchorage should be Sum of (a) and (b) 1.4 times the minimum overturning moment due to dead load None of these 1.2 times the minimum overturning moment due to dead load Sum of (a) and (b) 1.4 times the minimum overturning moment due to dead load None of these 1.2 times the minimum overturning moment due to dead load 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 negativeThe correct answer is (ii) and (iii) (i) and (iii) (ii) and (iv) (i) and (iv) (ii) and (iii) (i) and (iii) (ii) and (iv) (i) and (iv) ANSWER DOWNLOAD EXAMIANS APP
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