Fuels and Combustion Which of the following is a rich fuel gas? None of these Producer gas Refinery gases Coal gas from underground gasification of coal None of these Producer gas Refinery gases Coal gas from underground gasification of coal 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 None of these Lower carbon dioxide content Higher carbon monoxide content Higher methane content and thus higher calorific value None of these Lower carbon dioxide content Higher carbon monoxide content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Removal of hydrogen from coke oven gas Increases its calorific value Is not possible on commerical scale Does not alter its calorific value Decreases its calorific value Increases its calorific value Is not possible on commerical scale Does not alter its calorific value Decreases its calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A fuel with high heat release rate will Have high calorific value None of these Have high adiabatic flame temperature Require smaller combustion chamber Have high calorific value None of these Have high adiabatic flame temperature Require smaller combustion chamber ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Bomb calorimeter is used to determine the (where, GCV - Gross Calorific Value. NCV - Net Calorific Value.) GCV at constant volume GCV at constant pressure NCV at constant volume NCV at constant pressure GCV at constant volume GCV at constant pressure NCV at constant volume NCV at constant pressure ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Temperature of coke oven gas just before entering into saturator (for recovery of NH₃) is about __________ °C. 30 65 120 180 30 65 120 180 ANSWER DOWNLOAD EXAMIANS APP