8. Draw the influence lines for a reaction at supports $A$, $B$, $C$…

Question

8. Draw the influence lines for a reaction at supports $A$, $B$, $C$ and bending moment at support $B$ for the beam shown in fig. below. There is hinge provided at $D$. Find their maximum values when a travelling load of $60\text{ kN}$ per meter may cover any part of the span : 20