Fuels and Combustion Too much of excess air in combustion results in high Stack gas temperature Percentage of oxygen in flue gases All of these Fuel consumption for the same heat load Stack gas temperature Percentage of oxygen in flue gases All of these Fuel consumption for the same heat load ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coking time in a commercial high temperature coal carbonisation plant is about __________ hours. 6 36 28 18 6 36 28 18 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In high temperature carbonisation of coal compared to low temperature carbonisation Yield of ammonia is less Calorific value of the coke oven gas is lower Aromatic content of tar is low H₂ content in the coke oven gas is more Yield of ammonia is less Calorific value of the coke oven gas is lower Aromatic content of tar is low H₂ content in the coke oven gas is more ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following has the highest flame velocity? C₂H₆ CH₄ CO H₂ C₂H₆ CH₄ CO H₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The internal energy of the combustion products is __________ compared to that of reactants. More or less ; (depends on the state of fuel.) More Equal Less More or less ; (depends on the state of fuel.) More Equal Less ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following coke has the least percentage of ash? Petroleum coke Foundary coke Metallurgical coke Beehive coke Petroleum coke Foundary coke Metallurgical coke Beehive coke ANSWER DOWNLOAD EXAMIANS APP