$[2]$ The exhaust gas from an engine shows by flue gas analysis the following percentages:

$C{O}_2,10\%$

CO $0\mathrm{.}7\%$

$O_{2}8\%$

$N_2$ Remainder

The fuel supplied has a mass analysis as follows:

c $83\%$

$H_{2}8\%$

$O_{2}2\%$

Non combustibles Remainder

Calculate actual air $[1]$ and theoretical air $[1]$