Fuels and Combustion Which of the following gaseous fuels has the lowest calorific value? Gobar gas Converter gas Blast furnace gas Refinery gas Gobar gas Converter gas Blast furnace gas Refinery gas 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 Heat transfer rate to the stock in the furnace Speed of combustion of fuel Calorific value of the fuel Flame temperature achieved Heat transfer rate to the stock in the furnace Speed of combustion of fuel Calorific value of the fuel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following petrological constitutes is responsible for bright and lustrous black band of bituminous coal? Durain Vitrain Clarain Fussain Durain Vitrain Clarain Fussain ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Hardgrove grindability index of four coal samples are given below. Which of them is the easiest to grind? 50 100 85 70 50 100 85 70 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Abrasion index of blast furnace coke should be around __________ percent. 55 35 20 80 55 35 20 80 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not used as a binder in coal briquetting? Line Molasses Pitch Tar Line Molasses Pitch Tar ANSWER DOWNLOAD EXAMIANS APP