Fuels and Combustion The main drawback of supplying more excess air in the combustion of fuel is the Excessive power requirement of air blower Intermittant and uncontrolled combustion of the fuel High exit flue gas temperature from the furnace Enhanced sensible heat loss in the flue gas Excessive power requirement of air blower Intermittant and uncontrolled combustion of the fuel High exit flue gas temperature from the furnace Enhanced sensible heat loss in the flue gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion As the C/H ratio of the fuel increases, the amount of CO₂ formed on combustion __________ for the same percentage of excess air. Decreases Increases May increase or decrease depending on the type of fuel Remains same Decreases Increases May increase or decrease depending on the type of fuel Remains same ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Mott and Wheeler test is conducted on coke to find its Phosphorus content Volatile matter content Reactivity with O₂ Abradability Phosphorus content Volatile matter content Reactivity with O₂ Abradability ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value as determined by bomb calorimeter is the Net calorific value at constant volume Lower calorific value at constant pressure Higher calorific value at constant volume Gross calorific value at constant pressure Net calorific value at constant volume Lower calorific value at constant pressure Higher calorific value at constant volume Gross calorific value at constant pressure ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke made in narrower by-product coke ovens (as compared to wider ovens) is All of these Smaller in size Stronger Less reactive All of these Smaller in size Stronger Less reactive ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Main use of soft coke is as __________ fuel. Foundary Blastfurnace None of these Domestic Foundary Blastfurnace None of these Domestic ANSWER DOWNLOAD EXAMIANS APP