A single$-$stage, double$-$acting air compressor has a FAD of $14\frac{m^3}{m}in$ measured at $1\mathrm{.}013$ bar and $15C.$ The pressure and temperature in the cylinder during induction are $0\mathrm{.}95$ bar and $32C.$ The delivery pressure is $7$ bar and the index of compression and expansion $=1\mathrm{.}3.$ The clearance volume is $5\%$ of the swept volume.

Calculate:

$3\mathrm{.}1.$The indicated power required.

$3\mathrm{.}2.$Volumetric efficiency.