Fussain . . . . . . . .
A. Is friable, charcoal like substance
B. Has highest fixed carbon and lowest volatile matter content of all the four banded components of coal
C. Is non-coking, but when blended with highly coking coal, controls its swelling and produces high strength coke on carbonisation
D. All of the above
Answer: Option D
This Question Belongs to Chemical Engineering >> Fuels And Combustion
Incomplete combustion of fuel in the furnace is judged by high __________ of the flue gases.
A. CO content
B. Dew point
C. CO2 content
D. O2 content
High sulphur content in a fuel __________ of the flue gases.
A. Decreases the dew point
B. Increases the dew point
C. Reduces the combustion efficiency by limiting the permissible temperature reduction
D. Both B & C
Coal tar fuel - 200 (CTF 200) is a mixture of
A. Pitch and creosote oil
B. Light oil and pitch
C. Anthracene and crecosote oil
D. Solar oil and pitch
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