A hydrocarbon on combustion gave a dried flue gas having the following composition by volume

$O_2=6\mathrm{.}0\%C{O}_2=10\mathrm{.}0\%N_2=84\mathrm{.}0\%$

Calculate the following, and fill the boxes provided with your answers to single decimal place.

A$.$ The percentage composition of the fuel by mass

$C=,|\%,H|=,\%$

B$.$ Mass of exhaust gases, $M_{\text{e}\text{x}\text{h}\text{,}},$ produced per $kg$ of $\frac{H}{C}$ burnt $($including steam$)$

$M_{\text{e}\text{x}\text{h}}=,kg$

C$.$ The percentage of excess air used $=$

$\%$

D$.$ Air supplied per tonne of fuel $=kg($including the excess$)$

E$.$ Estimate the HCV and LCV of the fuel

$HCV=,$kca$\frac{l}{k}g,LCV=,$kca$\frac{l}{k}g$

F$.$ If the fuel is consumed in an engine at the rate of $12kg$ per hour and only $40\%$ of the energy is useful for power generation, what is the maximum power, $P,$ generated by the engine?

$P=$

$HP$ take $1HP=750$ watts

G$.$ If the lost $60\%$ of the energy released was dissipated with the exhaust gases only, what will be the exit temperature, $T_{er}$ of those gases, given that the specific heat capacity of the exhaust gas is $1\mathrm{.}05k\frac{J}{k}g.K$ and the ambient temperature is $30C.$

$T_{ex}=,C$