Fuels and Combustion Higher efficiency in the combustion of solid fuel can not be achieved by Supplying correct quantity of combustion air Keeping the flue gas exhaust temperature very high Adopting efficient-fuel firing technique & equipment Proper fuel preparation Supplying correct quantity of combustion air Keeping the flue gas exhaust temperature very high Adopting efficient-fuel firing technique & equipment Proper fuel preparation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In flue gas analysis by Orsat's apparatus, carbon dioxide is absorbed by Alkaline pyragllol solution Potassium hydroxide Dilute potassium carbonate Cuporus chloride Alkaline pyragllol solution Potassium hydroxide Dilute potassium carbonate Cuporus chloride ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Washing of coal Reduces its sulphur and ash content Improves its coking properties All of these Controls its ash fusibility and increases its calorific value Reduces its sulphur and ash content Improves its coking properties All of these Controls its ash fusibility and increases its calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following has the highest gross calorific value? Coke oven gas Carburetted water gas Blast furnace gas Oil refinery gas Coke oven gas Carburetted water gas Blast furnace gas Oil refinery gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ratio of primary air to secondary air increases with increase in the rank of coal, because the Ratio of fixed carbon to volatile matter increases Calorific value of the coal increases Oxygen content progressively decreases High rank coals have higher amount of volatile matter Ratio of fixed carbon to volatile matter increases Calorific value of the coal increases Oxygen content progressively decreases High rank coals have higher amount of volatile matter ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke made in narrower by-product coke ovens (as compared to wider ovens) is Smaller in size Stronger All of these Less reactive Smaller in size Stronger All of these Less reactive ANSWER DOWNLOAD EXAMIANS APP
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