A wood stove has a heat output of $10$ kW and an efficiency of $60\%$ based on

the HHV$.$ How many kg of wood are needed in a $24$ h period, assuming oak

with $20\%$ moisture $($dry basis$)?$ What is the volume occupied by this charge

of wood? Use the data from Table $2\mathrm{.}10$ and Appendix A$\mathrm{.}5.$