Fuels and Combustion Yield of pitch from distillation of high temperature tar is around __________ percent. 25 10 90 65 25 10 90 65 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 The maximum percentage of CO₂ in a flue gas (from a carbonaceous fuel) can be 77 29 79 21 77 29 79 21 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The reaction, C + CO₂ ⟷ 2CO, taking place during coal gasification is called the __________ reaction. n. Neumann reversal Reduction Shift conversion Boudouard Neumann reversal Reduction Shift conversion Boudouard ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Preheating of __________ the flame temperature. 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 Either the fuel or the air does not affect Combustion air decreases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In high temperature carbonisation (as compared to low temperature carbonisation) of coal Coke oven gas yield is more All of these Calorific value of coke oven gas is less Tar yield is less but free carbon in tar is more Coke oven gas yield is more All of these Calorific value of coke oven gas is less Tar yield is less but free carbon in tar is more ANSWER DOWNLOAD EXAMIANS APP