Fuels and Combustion Coke compared to the coal from which it has been made, contains All of these Less volatile matter Greater percentage of ash More carbon All of these Less volatile matter Greater percentage of ash More carbon ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Higher fuel combustion efficiency can not be achieved by Preheating of fuel gases & combustion air Adopting proper fuel firing technique & fuel preparation Supplying correct amount of combustion air Reducing sulphur content in the fuel Preheating of fuel gases & combustion air Adopting proper fuel firing technique & fuel preparation Supplying correct amount of combustion air Reducing sulphur content in the fuel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Higher efficiency in the combustion of solid fuel can not be achieved by Keeping the flue gas exhaust temperature very high Supplying correct quantity of combustion air Adopting efficient-fuel firing technique & equipment Proper fuel preparation Keeping the flue gas exhaust temperature very high Supplying correct quantity of combustion air Adopting efficient-fuel firing technique & equipment Proper fuel preparation 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
Fuels and Combustion Which of the following has the highest gross calorific value? Oil refinery gas Blast furnace gas Coke oven gas Carburetted water gas Oil refinery gas Blast furnace gas Coke oven gas Carburetted water gas ANSWER DOWNLOAD EXAMIANS APP