Fuels and Combustion Combustion reaction of fuels is a/an __________ reaction. None of these Endothermic Auto catalytic Exothermic None of these Endothermic Auto catalytic Exothermic ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion 'Wobbe index' is a characteristic of Solid fuels Fat coals Gaseous fuels Liquid fuels Solid fuels Fat coals Gaseous fuels Liquid fuels ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in moisture content of coal, its Clinkering tendency during combustion increases None of these Bulk density always decreases Calorific value increases sometimes Clinkering tendency during combustion increases None of these Bulk density always decreases Calorific value increases sometimes ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Tar yield in the low temperature and high temperature carbonisation of dry coal may be respectively __________ percent. 3 & 10 10 & 3 15 & 8 10 & 20 3 & 10 10 & 3 15 & 8 10 & 20 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in the oxygen content of the coal, its __________ decreases. Neither A nor B Caking power Calorific value Both A & B Neither A nor B Caking power Calorific value Both A & 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? Flame temperature achieved Calorific value of the fuel Heat transfer rate to the stock in the furnace Speed of combustion of fuel Flame temperature achieved Calorific value of the fuel Heat transfer rate to the stock in the furnace Speed of combustion of fuel ANSWER DOWNLOAD EXAMIANS APP
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