Fuels and Combustion Coal containing large quantity of __________ are difficult to wash. Ash Inherent mineral matter Free impurities Volatile matter Ash Inherent mineral matter Free impurities Volatile matter ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in the oxygen content of the coal, its __________ decreases. Calorific value Caking power Both A & B Neither A nor B Calorific value Caking power Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Out of the following fuels, the difference between the net and gross calorific value is maximum in case of Fuel oil Blast furnace gas Pitch Bituminous coal Fuel oil Blast furnace gas Pitch Bituminous coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In low temperature carbonisation of coal as compared to high temperature carbonisation __________ produced is less. Yield percentage of coke Difference in gross & net calorific value of the coke oven gas Yield of ammonia present in coke oven gas Free carbon content in tar Yield percentage of coke Difference in gross & net calorific value of the coke oven gas Yield of ammonia present in coke oven gas Free carbon content in tar ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In high temperature carbonisation of coal compared to low temperature carbonisation Aromatic content of tar is low Hâ‚‚ content in the coke oven gas is more Yield of ammonia is less Calorific value of the coke oven gas is lower Aromatic content of tar is low Hâ‚‚ content in the coke oven gas is more Yield of ammonia is less Calorific value of the coke oven gas is lower ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which is the most matured coal? Bituminous Semi-anthracite Anthracite Lignite Bituminous Semi-anthracite Anthracite Lignite ANSWER DOWNLOAD EXAMIANS APP
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