Fuels and Combustion Main use of hard coke produced by high temperature carbonisation is in the Sinter making Cupola in foundaries Domestic ovens Iron blast furnace Sinter making Cupola in foundaries Domestic ovens Iron blast furnace ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The calorific value of a gas of composition CO₂ = 20%, H₂ = 50%, CH₄ = 30%, is y. If the composition of gas is changed to H₂ = 50%, CH₄ = 30%, CO₂ = 10%, N₂ = 10%, then the calorifice value will be Y 1.8 y 0.95 y 1.05 y Y 1.8 y 0.95 y 1.05 y ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During its calorific value determination by bomb calorimeter, coal is combusted by Air None of these Oxygen enriched air Oxygen Air None of these Oxygen enriched air Oxygen ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coals used for the generation of producer gas should have High caking index High volatile matter content Very low ash content (8-10%) Low fusion point of ash High caking index High volatile matter content Very low ash content (8-10%) Low fusion point of ash ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Volatile matter content of metallurgical coke may be around __________ percent. 22-26 1-2 30-33 10-15 22-26 1-2 30-33 10-15 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Combustion of pulverised coal compared to the lumpy coal Provides better control of furnace temperature Provides higher thermal efficiency & flame temperature All of these Facilitates combustion with lower excess air Provides better control of furnace temperature Provides higher thermal efficiency & flame temperature All of these Facilitates combustion with lower excess air ANSWER DOWNLOAD EXAMIANS APP
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