Fuels and Combustion If oxygen content in the flue gas rises too high, fuel is being wasted by Incomplete combustion Moisture loss None of these Dry gas/stack gas loss Incomplete combustion Moisture loss None of these Dry gas/stack gas loss ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Mineral matter, 'M' and ash percentage 'A' in coal are roughly related as M = 0.5 A M = A M = 1.8 A M = 1.1 A M = 0.5 A M = A M = 1.8 A M = 1.1 A ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in the time of carbonisation at a particular temperature (say 1000°C), the __________ percentage in coke oven gas increases. Methane Unsaturated hydrocarbons Hydrogen All of these Methane Unsaturated hydrocarbons Hydrogen All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion By-products recovery process from coal carbonisation is termed as direct, indirect and semi direct process depending upon the method of recovery of Ammonia Tar Benzol None of these Ammonia Tar Benzol None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Light oil whose major component is benzol, is obtained by the distillation of crude tar in the temperature range of __________ °C. 250-270 280-300 200-300 80-170 250-270 280-300 200-300 80-170 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 None of these Lower carbon dioxide content Higher methane content and thus higher calorific value Higher carbon monoxide content None of these Lower carbon dioxide content ANSWER DOWNLOAD EXAMIANS APP
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