SSC JE Mechanical Engineering 11 Oct 2020 Shift 1 Papers

Specific volume of wet steam is given by
$\mathit{v}={\mathit{v}}_{\mathit{f}}+\mathit{x}\left({\mathit{v}}_{\mathit{g}}-{\mathit{v}}_{\mathit{f}}\right)$
where, $\mathit{v}=$ Specific volume of wet steam, ${\mathit{v}}_{\mathit{f}}=$ Specific Volume of Saturated Water
${\mathit{v}}_{\mathit{g}}=$Specific Volume of Saturated Steam, $\mathit{x}=$ dryness fraction
for saturated wet steam ${\mathit{v}}_{\mathit{f}}=0$
$\mathit{v}=\mathit{x}{\mathit{v}}_{\mathit{g}}$