Structural Analysis For a two-hinged arch, if one of the supports settles down vertically, then the horizontal thrust Becomes zero Remains unchanged Is increased Is decreased Becomes zero Remains unchanged Is increased Is decreased ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis For a symmetrical two hinged parabolic arch, if one of the supports settles horizontally, then the horizontal thrust is decreased is increased remains unchanged becomes zero is decreased is increased remains unchanged becomes zero 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 (m + 3r) = 3j (m + r) = 2j (3m + r) = 3j (m + r) = 3j (m + 3r) = 3j (m + r) = 2j (3m + r) = 3j 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 (i) and (iv) (i) and (iii) (ii) and (iv) (ii) and (iii) (i) and (iv) (i) and (iii) (ii) and (iv) (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
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) None of these Unstable Stable and statically determinate Stable and statically indeterminate None of these Unstable Stable and statically determinate Stable and statically indeterminate ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis Degree of kinematic indeterminacy of a pin-jointed plane frame is given by 2j + r 3j – r j – 2r 2j – r 2j + r 3j – r j – 2r 2j – r ANSWER DOWNLOAD EXAMIANS APP