Find draught in terms of column of hot gases, if the temperature of hot gases inside the chimney is 350 C. The height of the chimney is 30 m. The temperature of outside air is 25 C. The air supplied for complete combustion of 1 kg of fuel is 20 kg.

Find draught in terms of column of hot gases, if the temperature of ho

1.	Find draught in terms of column of hot gases, if the temperature of hot gases inside the chimney is 350 C. The height of the chimney is 30 m. The temperature of outside air is 25 C. The air supplied for complete combustion of 1 kg of fuel is 20 kg.
A.	29.73 m
B.	32.46 m
C.	45.32 m
D.	30.25 m
Answer» B. 32.46 m

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