A. roller support
B. hinged support
C. fixed support
D. free end
A. (m + r)<2j
B. m + r = 2j
C. (m + r)>2j
D. none of the above
where m is number of members, r is reaction components and j is number of joints
A. 1
B. 2
C. 3
D. 6
A. 2j-r
B. 3j-r
C. j-2r
D. j-3r
where j is number of joints and r is reaction components
A. the centre of gravity of the load system is midway between the centre of span and wheel load under consi-deration
B. the centre of span is midway between the centre of gravity of the load system and the wheel load under consideration
C. the wheel load under consideration is midway between the centre of span and the centre of gravity of the load system
D. none of the above
A. a unit force is applied at coordinate j and the displacements are calculated at all coordinates
B. a unit displacement is applied at co-ordinate j and the forces are calculated at all coordinates
C. a unit force is applied at coordinate j and the forces are calculated at all coordinates
D. a unit displacement is applied at co-ordinate j and the displacements are calculated at all co-ordinates
A. 2
B. 3
C. 4
D. unrestricted