Pick out the wrong statement.
A. Percentage of ash in coke produced from medium coking coal is more than that in coal
B. The calorific value (kcal/Nm3) of coke oven gas reduces on removal of hydrogen from it by cryogenic method
C. Ash is normally removed as
D. Coal based fertiliser plants in India at Talcher (Orissa) and Ramagundam (A.P.) employ Kopper-Totzek process of coal gasification
Answer: Option C
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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