Fuels and Combustion Coke compared to the coal from which it has been made, contains Less volatile matter Greater percentage of ash More carbon All of these Less volatile matter Greater percentage of ash More carbon All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The weathering index of a coal Is a measure of its caking tendency Gives an idea of the fusion temperature of ash Is related to its calorific value Is a measure of its size stability, when stored & exposed to weather Is a measure of its caking tendency Gives an idea of the fusion temperature of ash Is related to its calorific value Is a measure of its size stability, when stored & exposed to weather ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Anthracite coal Burns with short, bluish, yellow-tipped flame producing very little smoke Contains more volatile matter than bituminous coal Ignites more easily than bituminous coal Is essentially a coking coal Burns with short, bluish, yellow-tipped flame producing very little smoke Contains more volatile matter than bituminous coal Ignites more easily than bituminous coal Is essentially a coking coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion If oxygen content in the flue gas rises too high, fuel is being wasted by None of these Moisture loss Incomplete combustion Dry gas/stack gas loss None of these Moisture loss Incomplete combustion Dry gas/stack gas loss ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Flue gas obtained on complete combustion of pure acetylene (a hydrocarbon fuel) will contain Both B & C H₂O CO CO₂ Both B & C H₂O CO CO₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Dust content in raw blast furnace gas is about __________ gm/Nm³ , hence it is cleaned to the dust level of about < 10 mg /Nm³ before use. 70-100 150-200 15-30 43832 70-100 150-200 15-30 43832 ANSWER DOWNLOAD EXAMIANS APP
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