Fuels and Combustion The internal energy of the combustion products is __________ compared to that of reactants. More Less More or less ; (depends on the state of fuel.) Equal More Less More or less ; (depends on the state of fuel.) Equal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following accounts for maximum energy loss in a boiler? Unburnt carbon in flue gases Flue gases Incomplete combustion Ash content in the fuel Unburnt carbon in flue gases Flue gases Incomplete combustion Ash content in the fuel 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 Less moisture content Lower ash content High bulk density High fusion point of its ash Less moisture content Lower ash content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Net calorific value is the gross calorific value less the __________ heat of water in the product of combustion when cooled to 15°C. Sensible None of these Latent Sensible and latent Sensible None of these Latent Sensible and latent ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increases in carbonisation temperature Coke even gas yield increases Methane percentage in the coke oven gas increases Tar yield increases Hydrogen percentage in the coke oven gas decreases Coke even gas yield increases Methane percentage in the coke oven gas increases Tar yield increases Hydrogen percentage in the coke oven gas decreases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not a by-product recovered in a high temperature coal carbonisation plant? Napthalene Ethylene Benzol Pitch-cresosote mixture (PCM) Napthalene Ethylene Benzol Pitch-cresosote mixture (PCM) ANSWER DOWNLOAD EXAMIANS APP