Fuels and Combustion Undercharging of coal in the by-product coke ovens results in Increase in the c.v. of coke oven gas Decrease in the c.v. of coke oven gas No change in the c.v. of coke oven gas Increase in its throughput Increase in the c.v. of coke oven gas Decrease in the c.v. of coke oven gas No change in the c.v. of coke oven gas Increase in its throughput ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Incomplete combustion of fuel in the furnace is judged by high __________ of the flue gases. O₂ content CO₂ content Dew point CO content O₂ content CO₂ content Dew point CO content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal gasifier opearating at 20 atm. (e.g. Lugri gasifier) as compared to one operating at atmospheric pressure (e.g. Kopper-Totzek or Winkler gasifier) will produce a gas having Lower carbon dioxide content None of these Higher carbon monoxide content Higher methane content and thus higher calorific value Lower carbon dioxide content None of these Higher carbon monoxide content Higher methane content and thus higher calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature oxidation of coal resulting from bad storage conditions does not decrease its Caking power Calorific value Oxygen content Hydrogen content Caking power Calorific value Oxygen content Hydrogen content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Bright coal Is non-coking Contains more than 90% durain Contains mainly vitrain & clarain and is generally coking Contains more than 90% fussain Is non-coking Contains more than 90% durain Contains mainly vitrain & clarain and is generally coking Contains more than 90% fussain ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The internal energy of the combustion products is __________ compared to that of reactants. Equal Less More or less ; (depends on the state of fuel.) More Equal Less More or less ; (depends on the state of fuel.) More ANSWER DOWNLOAD EXAMIANS APP
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