Q. Incomplete combustion of fuel in the furnace is judged by high __________ of the flue gases.
✅ Correct Answer: (A)
CO content
Fuels And Combustion MCQs | Page - 1
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Q. High sulphur content in a fuel __________ of the flue gases.
✅ Correct Answer: (D)
Both B & C
Q. Fusion point of coal ash generally varies from 1000 to 1700°C. Ash having fusion point less than __________ °C is liable to form clinker.
✅ Correct Answer: (A)
1100
Q. Coal tar fuel - 200 (CTF 200) is a mixture of
✅ Correct Answer: (A)
Pitch and creosote oil
Q. Kopper-Totzek coal gasifier (installed in a coal based nitrogeneous fertiliser plant) employs a/an __________ bed gasifier.
✅ Correct Answer: (D)
Entrained
Q. During combustion of coal on grate, clinker formation is increased by the
✅ Correct Answer: (D)
All of the above
Q. Coke oven gas is stripped of its H2 S and mercaptans content by
✅ Correct Answer: (B)
Adsorption on bog iron bed
Q. A good coking coal should have high __________ content.
✅ Correct Answer: (D)
None of these
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