Fuels and Combustion Which of the following is not endothermic? Cracking Reforming Partial oxidation Gasification Cracking Reforming Partial oxidation Gasification ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Blast furnace coke is made from coal by Medium temperature carbonisation Low temperature carbonisation High temperature carbonisation Heating the coal in an oven in presence of air Medium temperature carbonisation Low temperature carbonisation High temperature carbonisation Heating the coal in an oven in presence of air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Use of excess of combustion air in the combustion of fuels results in None of these Long flame Condensation of water vapour from the fuel gas Heat losses None of these Long flame Condensation of water vapour from the fuel gas Heat losses ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The fuel ratio of a coal is Neither A nor B Helpful in estimation of its rank The ratio of its percentage of fixed carbon to that of volatile matter Both A and B Neither A nor B Helpful in estimation of its rank The ratio of its percentage of fixed carbon to that of volatile matter Both A and B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not increased by using preheated combustion air in place of ordinary air at room temperature? Speed of combustion of fuel Flame temperature achieved Heat transfer rate to the stock in the furnace Calorific value of the fuel Speed of combustion of fuel Flame temperature achieved Heat transfer rate to the stock in the furnace Calorific value of the fuel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Removal of hydrogen from coke oven gas Does not alter its calorific value Increases its calorific value Decreases its calorific value Is not possible on commerical scale Does not alter its calorific value Increases its calorific value Decreases its calorific value Is not possible on commerical scale ANSWER DOWNLOAD EXAMIANS APP
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