Fuels and Combustion Coal containing large quantity of __________ are difficult to wash. Ash Free impurities Inherent mineral matter Volatile matter Ash Free impurities Inherent mineral matter Volatile matter ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gobar gas is produced by the __________ of 'gobar' (cow dung). Dehydration Fermentation Hydrolysis Oxidation Dehydration Fermentation Hydrolysis Oxidation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Preheating of __________ the flame temperature. Either the fuel or the air does not affect Combustion air decreases Either the fuel or the air or both, increases The gaseous fuel before combustion decreases Either the fuel or the air does not affect Combustion air decreases Either the fuel or the air or both, increases The gaseous fuel before combustion decreases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gross heating value of coal is __________ the net heating value. Lower than Same as Higher than None of these Lower than Same as Higher than None of these 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. 60 160 750 500 60 160 750 500 ANSWER DOWNLOAD EXAMIANS APP
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