Q$1$ For the beam shown in Fig. $1,$ draw the influence line for the following:

Reaction at roller $($D$)2.$ Shear at $($i$)3.$ Shear at the left of roller $($F$)4.$ Moment at point $($h$)$

Q$2$ Find and locate the maximum bending moment in the simple supported circular arch of $4m$ radius shown in Fig. $2$

Q$3$ Find the maximum deflection for the cantilever beam shown in Fig. $3$ using Virtual Work Method.

Q$4$ Check the stability and determinacy of the structures shown in Fig. $4.$ Use the table below to show final answers.

$\backslash$table$[[$Structure$,$Stable or unstable?,Determinate or indeterminate?,Determinacy if indeterminate?$],[$Example$,$indeterminate,Indeterminate,$2^{nd}$ degree$],[1,,,]]$

Q$5$ For the truss shown in Fig. $5,$ find the vertical deflection at joint $($B$)$ using Virtual Work Method.