Fuels and Combustion Calorific value of coke even gas produced by low temperature carbonisation of coal is about __________ Kcal/Nm³. 6500 10000 2500 4000 6500 10000 2500 4000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal having higher volatile matter content will necessarily have lower Ignition temperature Caking index Ash fusion temperature Calorific value Ignition temperature Caking index Ash fusion temperature Calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Increase in ash content of blast furnace coke Does not affect its consumption in the furnace Decreases its hardness and abrasion resistance Increases its consumption in the furnace Reduces its consumption in the furnace Does not affect its consumption in the furnace Decreases its hardness and abrasion resistance Increases its consumption in the furnace Reduces its consumption in the furnace ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion If oxygen content in the flue gas rises too high, fuel is being wasted by Moisture loss None of these Incomplete combustion Dry gas/stack gas loss Moisture loss None of these Incomplete combustion Dry gas/stack gas loss ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increases in carbonisation temperature Hydrogen percentage in the coke oven gas decreases Coke even gas yield increases Methane percentage in the coke oven gas increases Tar yield increases Hydrogen percentage in the coke oven gas decreases Coke even gas yield increases Methane percentage in the coke oven gas increases Tar yield increases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal having high ratio of volatile matter to fixed carbon as compared to a coal having low ratio of volatile matter to fixed carbon None of these Is less liable to spontaneous combustion on storage Is more difficult to ignite and produces a shorter flame Requires smaller combustion space and less secondary air None of these Is less liable to spontaneous combustion on storage Is more difficult to ignite and produces a shorter flame Requires smaller combustion space and less secondary air ANSWER DOWNLOAD EXAMIANS APP
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