Fuels and Combustion Which of the following will be unsuitable for dust cleaning from flue gas at 400°C from a pulverised coal fired boiler ? Hydrocyclones Multicyclones Bag filter Wet scrubber Hydrocyclones Multicyclones Bag filter Wet scrubber ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke compared to the coal from which it has been made, contains All of these Greater percentage of ash Less volatile matter More carbon All of these Greater percentage of ash Less volatile matter More carbon ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following gaseous fuels has the lowest calorific value? Blast furnace gas Gobar gas Refinery gas Converter gas Blast furnace gas Gobar gas Refinery gas Converter gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal containing very high percentage of durain is called __________ coal. Boghead Splint Bright Non-banded Boghead Splint Bright Non-banded ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature carbonisation of coal produces No by-products Very low calorific value coke oven gas Soft coke Metallurgical coke No by-products Very low calorific value coke oven gas Soft coke Metallurgical coke 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 1.8 y 0.95 y Y 1.05 y 1.8 y 0.95 y Y 1.05 y ANSWER DOWNLOAD EXAMIANS APP
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