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