Fuels and Combustion Which of the following constituents of coal is the most important in the production of coke? Volatiles Moisture Carbon Ash Volatiles Moisture Carbon Ash ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not used as a binder in coal briquetting? Pitch Molasses Tar Line Pitch Molasses Tar Line ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Sulphur in metallurgical coal Neither A nor B Affects the quality of steel produced as cracks develop on the surface while rolling the steel Contributes to its heating value Both A and B Neither A nor B Affects the quality of steel produced as cracks develop on the surface while rolling the steel Contributes to its heating value Both A and B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following will be unsuitable for dust cleaning from flue gas at 400°C from a pulverised coal fired boiler ? Wet scrubber Bag filter Hydrocyclones Multicyclones Wet scrubber Bag filter Hydrocyclones Multicyclones ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fusion point of coal ash generally varies from 1000 to 1700° C. Ash having fusion point less than __________ °C is liable to form clinker. 1350 1400 1250 1100 1350 1400 1250 1100 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Softening temperature of coal ash is a measure of the __________ of coal. Caking tendency Clinkering tendency Coking tendency Size stability Caking tendency Clinkering tendency Coking tendency Size stability ANSWER DOWNLOAD EXAMIANS APP
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