the centre of gravity of the load system is midway between the centre of span and wheel load under consi-deration

the centre of span is midway between the centre of gravity of the load system and the wheel load under consideration

the wheel load under consideration is midway between the centre of span and the centre of gravity of the load system

none of the above

Equilibrium method

Column analogy method

Moment distribution method

Kani′s method

(i) and (iii)

(ii) and (iii)

(i) and (iv)

(ii) and (iv)

Flexibility matrix is a square symmetrical matrix

Stiffness matrix is a square symmetrical matrix

both Flexibility matrix is a square symmetrical matrix and Stiffness matrix is a square symmetrical matrix

none of the above

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 forces 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 displacements are calculated at all co-ordinates