Structural Analysis To generate the j th column of the flexibility matrix a unit displacement is applied at co-ordinate j and the forces are calculated at all coordinates a unit force is applied at coordinate j and the forces are calculated at all coordinates a unit force is applied at coordinate j and the displacements 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 displacement is applied at co-ordinate j and the forces are calculated at all coordinates a unit force is applied at coordinate j and the forces are calculated at all coordinates a unit force is applied at coordinate j and the displacements 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 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) (ii) and (iv) (i) and (iv) (i) and (iii) (ii) and (iii) (ii) and (iv) (i) and (iv) (i) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis The maximum bending moment due to a train of wheel loads on a simply supported girder Never occurs under a wheel load None of these Always occurs under a wheel load Always occurs at centre of span Never occurs under a wheel load None of these Always occurs under a wheel load Always occurs at centre of span ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis While using three moments equation, a fixed end of a continuous beam is replaced by an additional span of None of these zero length zero moment of inertia infinite length None of these zero length zero moment of inertia infinite length ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis A load W is moving from left to right support on a simply supported beam of span T. The maximum bending moment at 0.4 1 from the left support is 0.20 Wl 0.24 Wl 0.16 Wl 0.25 Wl 0.20 Wl 0.24 Wl 0.16 Wl 0.25 Wl 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