Fuels and Combustion Too much of excess air in combustion results in high Stack gas temperature Percentage of oxygen in flue gases All of these Fuel consumption for the same heat load Stack gas temperature Percentage of oxygen in flue gases All of these Fuel consumption for the same heat load ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in the oxygen content of the coal, its __________ decreases. Caking power Neither A nor B Both A & B Calorific value Caking power Neither A nor B Both A & B Calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Out of the following fuels, the difference between gross and net calorific value will be minimum in case of Water gas Coke oven gas Natural gas Blast furnace gas Water gas Coke oven gas Natural gas Blast furnace gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Micum Index of a coke is a measure of its Porosity Hardness & strength Reactivity Bulk density Porosity Hardness & strength Reactivity Bulk density ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Washing of coal does not reduce its Fusion point of ash Heating value None of these S & P content Fusion point of ash Heating value None of these S & P content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coking time in beehive coke oven is about One week Two weeks 2-3 days 12 hours One week Two weeks 2-3 days 12 hours ANSWER DOWNLOAD EXAMIANS APP