Fuels and Combustion Steam is intermittently admitted into the fuel bed during the production of producer gas to Increase the combustion rate Convert CO to CO₂ Increase the gas production rate Minimise the chances of clinker formation Increase the combustion rate Convert CO to CO₂ Increase the gas production rate Minimise the chances of clinker formation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Preheating of coal charge for the coke ovens reduces the Time of carbonisation All of these Fuel consumption in coking Yield of gas and tar Time of carbonisation All of these Fuel consumption in coking Yield of gas and tar ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Yield of blast furnace gas is about __________ Nm³ /ton of pig iron. 5000 300 2000 10000 5000 300 2000 10000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Pulverised coal used in boiler firing need not have High bulk density High fusion point of its ash Lower ash content Less moisture content High bulk density High fusion point of its ash Lower ash content Less moisture content 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 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 Higher methane content and thus higher calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Flue gas discharge velocity through chimney of a big thermal power plant may be around __________ m/sec. 10 0.5 500 50 10 0.5 500 50 ANSWER DOWNLOAD EXAMIANS APP