Fuels and Combustion Highly caking coals Produce weak coke May damage the coke oven walls during carbonisation Both B and C Produce strong coke Produce weak coke May damage the coke oven walls during carbonisation Both B and C Produce strong coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gobar gas is produced by the __________ of cown dung. Oxidation Hydrogenation Fermentation None of these Oxidation Hydrogenation Fermentation None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Eschka mixture, which is used for the determination of sulphur in coal, is a mixture of MgO & Na₂CO₃ BaSO₄ & NaCl MgCO₃ & NaCl MgSO₄ & BaCl₂ MgO & Na₂CO₃ BaSO₄ & NaCl MgCO₃ & NaCl MgSO₄ & BaCl₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Of the total tar present in raw coke oven gas, the tar recovered in primary cooler is about __________ percent. 5 75 25 55 5 75 25 55 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The main reason for making the copper calorimeter (used in bomb calorimeter) silvery white and shining/polished is to None of these Make it look attractive Minimise its corrosion Avoid radiation heat loss None of these Make it look attractive Minimise its corrosion Avoid radiation heat loss ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Efficient burning of anthracite coal requires High excess air Fine grinding Low preheat of air All of these High excess air Fine grinding Low preheat of air All of these ANSWER DOWNLOAD EXAMIANS APP
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