Fuels and Combustion Use of preheated air for combustion of fuel in the furnace, increases the None of these Scale losses of the furnace stock Calorific value of the fuel Flame temperature None of these Scale losses of the furnace stock Calorific value of the fuel Flame temperature ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of coke oven gas is around __________ Kcal/Nm³. 7500 900 2000 4200 7500 900 2000 4200 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following accounts for maximum energy loss in a boiler? Incomplete combustion Unburnt carbon in flue gases Flue gases Ash content in the fuel Incomplete combustion Unburnt carbon in flue gases Flue gases Ash content in the fuel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Sulphur in metallurgical coal Both A and B Neither A nor B Affects the quality of steel produced as cracks develop on the surface while rolling the steel Contributes to its heating value Both A and B Neither A nor B Affects the quality of steel produced as cracks develop on the surface while rolling the steel Contributes to its heating value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Yield of coke oven gas in low temperature carbonisation of coal is about __________ Nm³ /ton of dry coal. 160 750 60 500 160 750 60 500 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Narrow coke ovens as compared to wider coke ovens Produce stronger coke All of these Require less time of carbonisation Produce smaller coke Produce stronger coke All of these Require less time of carbonisation Produce smaller coke ANSWER DOWNLOAD EXAMIANS APP