Fuels and Combustion Lignite is A high rank coal Can be used for gasification and steam generation A coking coal A black banded coal which burns with a non-smoky yellowish flame A high rank coal Can be used for gasification and steam generation A coking coal A black banded coal which burns with a non-smoky yellowish flame ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following has the least calorific value (kcal/Nm³) ? Coke oven gas Sewage gas Natural gas Blast furnace gas Coke oven gas Sewage gas Natural gas Blast furnace gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gray King Assay and Swelling Index of a coal is a measure of its Swelling characteristics Agglutinating properties Abradability Resistance to impact breakage Swelling characteristics Agglutinating properties Abradability Resistance to impact breakage 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
Fuels and Combustion The main function of primary air in pulverised coal fired burner is to Dry and transport the coal Preheat the tertiary air used for complete combustion of CO to CO₂ Have proper combustion by supplying it around the burner Burn CO to CO₂ Dry and transport the coal Preheat the tertiary air used for complete combustion of CO to CO₂ Have proper combustion by supplying it around the burner Burn CO to CO₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gross calorific value will be equal to the net calorific value for C₂H₆ CO H₂ C₂H₂ C₂H₆ CO H₂ C₂H₂ ANSWER DOWNLOAD EXAMIANS APP
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