Structural Analysis Number of unknown internal forces in each member of a rigid jointed plane frame is 3 4 9 6 3 4 9 6 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 (iv) (i) and (iv) (i) and (iii) (ii) and (iii) (ii) and (iv) (i) and (iv) (i) and (iii) (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis In column analogy method, the area of an analogous column for a fixed beam of span L and flexural rigidity El is taken as L/2EI L/EI L/4EI L/3EI L/2EI L/EI L/4EI L/3EI ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis In moment distribution method, the sum of distribution factors of all the members meeting at any joint is always zero 1 greater than 1 less than 1 zero 1 greater than 1 less than 1 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 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 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 + r) = 3j (3m + r) = 3j (m + r) = 2j (m + 3r) = 3j (m + r) = 3j (3m + r) = 3j (m + r) = 2j (m + 3r) = 3j ANSWER DOWNLOAD EXAMIANS APP