A furnace used for melting brass uses coke as a fuel. The composition of the coke is; C 80%, H 4%, H20 4%, Ash 12%.

The ashes from the furnace amounts to 14per cent of the weight of the coke.

4% per cent more air is used than theoretically required.

Find:

1. the amount of air which is theoretically required for combustion of 1 Kg of the coke.
2. The volume of air actually used per Kg of coke.
3. The volume of the flue gases when using only the theoretically required air.
4. The volume and percentage composition of the flue gases when the actually required air is used.

Answer the following questions: Prob. (1): A furnace used for melting brass uses coke as a fuel. The composition of the coke is; C 80%,H4%,H2O4%, Ash 12%. The ashes from the furnace amounts to 14 per cent of the weight of the coke. - per cent more air is used than theoretically required. Find: (1) the amount of air which is theoretically required for combustion of 1Kg of the coke. (2) The volume of air actually used per Kg of coke. (3) The volume of the flue gases when using only the theoretically required air. (4) The volume and percentage composition of the flue gases when the actually required air is used