Fuels and Combustion Preheating of coal charge for the coke ovens reduces the Fuel consumption in coking Yield of gas and tar All of these Time of carbonisation Fuel consumption in coking Yield of gas and tar All of these Time of carbonisation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The heat of combustion of a fuel Is equal to the heat of formation Can't be known without calculating it Is always negative Is always positive Is equal to the heat of formation Can't be known without calculating it Is always negative Is always positive ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Preheating of a gaseous fuel results in increased Quantity of flue gas Flame length Ignition temperature Flame temperature Quantity of flue gas Flame length Ignition temperature Flame temperature ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Presence of phosphorous in metallurgical coal Is not undersirable Increases its caking power Badly affects the quality of steel Reduces its calorific value Is not undersirable Increases its caking power Badly affects the quality of steel Reduces its calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of coal middling generated in coal washeries during washing of coal may be around __________ Kcal/kg. 8000 4000 1000 6000 8000 4000 1000 6000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During its calorific value determination by bomb calorimeter, coal is combusted by None of these Air Oxygen Oxygen enriched air None of these Air Oxygen Oxygen enriched air ANSWER DOWNLOAD EXAMIANS APP