Fuels and Combustion __________ present in coal is not determined in its ultimate analysis. Total carbon Fixed carbon Nitrogen Hydrogen Total carbon Fixed carbon Nitrogen Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is a rich fuel gas? Coal gas from underground gasification of coal None of these Refinery gases Producer gas Coal gas from underground gasification of coal None of these Refinery gases Producer gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The reaction, C + CO₂ ⟷ 2CO, taking place during coal gasification is called the __________ reaction. n. Neumann reversal Shift conversion Reduction Boudouard Neumann reversal Shift conversion Reduction Boudouard 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 Higher methane content and thus higher calorific value Higher carbon monoxide content Lower carbon dioxide content None of these Higher methane content and thus higher calorific value Higher carbon monoxide content Lower carbon dioxide content None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A sooty flame can be made non-luminous by Shutting air supply Admitting more gas Admitting more air Shutting gas supply Shutting air supply Admitting more gas Admitting more air Shutting gas supply ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coking time in narrow by-product coke ovens is around __________ hours. 18 48 8 80 18 48 8 80 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS