Fuels and Combustion Gobar gas is produced by the __________ of 'gobar' (cow dung). Dehydration Oxidation Fermentation Hydrolysis Dehydration Oxidation Fermentation Hydrolysis ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Too much of excess air in combustion results in high Stack gas temperature All of these Percentage of oxygen in flue gases Fuel consumption for the same heat load Stack gas temperature All of these Percentage of oxygen in flue gases Fuel consumption for the same heat load ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The calorific value of natural gas is about __________ kcal/Nm³. 25, 000 10, 000 2500 35, 000 25, 000 10, 000 2500 35, 000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A particular coal is said to be free burning when it Burns completely Gives smokeless burning Shows little or no fusing action None of these Burns completely Gives smokeless burning Shows little or no fusing action None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coking time in narrow by-product coke ovens is around __________ hours. 48 80 8 18 48 80 8 18 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion For the case of a fuel gas undergoing combustion with air, if the air/fuel ratio is increased, the adiabatic flame temperature will Not change Increase Decrease Increase or decrease depending on the fuel type Not change Increase Decrease Increase or decrease depending on the fuel type ANSWER DOWNLOAD EXAMIANS APP
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