Structural Analysis Degree of kinematic indeterminacy of a pin-jointed plane frame is given by 2j – r j – 2r 2j + r 3j – r 2j – r j – 2r 2j + r 3j – r ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis To generate the j th column of the flexibility matrix a unit force is applied at coordinate j and the displacements are calculated at all coordinates a unit force is applied at coordinate j and the forces are calculated at all coordinates a unit displacement is applied at co-ordinate j and the forces are calculated at all coordinates a unit displacement is applied at co-ordinate j and the displacements are calculated at all co-ordinates a unit force is applied at coordinate j and the displacements are calculated at all coordinates a unit force is applied at coordinate j and the forces are calculated at all coordinates a unit displacement is applied at co-ordinate j and the forces are calculated at all coordinates a unit displacement is applied at co-ordinate j and the displacements are calculated at all co-ordinates 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/4EI L/3EI L/2EI L/EI L/4EI L/3EI L/2EI L/EI ANSWER DOWNLOAD EXAMIANS APP
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 – 3j m + r + 2j m – r + 2j m + r – 2j m + r – 3j m + r + 2j m – r + 2j ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis For a symmetrical two hinged parabolic arch, if one of the supports settles horizontally, then the horizontal thrust remains unchanged is decreased is increased becomes zero remains unchanged is decreased is increased becomes zero 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 (i) and (iv) (ii) and (iv) (ii) and (iii) (i) and (iii) (i) and (iv) (ii) and (iv) (ii) and (iii) (i) and (iii) ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS