Fuels and Combustion Coking time in narrow by-product coke ovens is around __________ hours. 48 18 8 80 48 18 8 80 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fuel combustion is never cent per cent efficient due to Incomplete combustion Moisture loss Dry gas/stack gas loss All of these Incomplete combustion Moisture loss Dry gas/stack gas loss All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Froth floatation is used for Washing lump coal (> 80 mm size) All of these Removing ash from the coal based on difference in specific gravity of coal and ash Washing fine coal dust (< 0.5 mm size) Washing lump coal (> 80 mm size) All of these Removing ash from the coal based on difference in specific gravity of coal and ash Washing fine coal dust (< 0.5 mm size) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is coking? Neither A nor B Fussain Vitrain Both A & B Neither A nor B Fussain Vitrain Both A & B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fixed carbon in coal is defined as The one which is present in the residue after combustion That present in volatile matters Hundred minus the percentage of volatile matter, ash and moisture The total quantity of carbon present in the coal The one which is present in the residue after combustion That present in volatile matters Hundred minus the percentage of volatile matter, ash and moisture The total quantity of carbon present in the coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not a binder for coal briquetting? None of these Bitumen Coal tar Molasses None of these Bitumen Coal tar Molasses ANSWER DOWNLOAD EXAMIANS APP
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