Fuels and Combustion Low temperature carbonisation of coal produces Metallurgical coke Very low calorific value coke oven gas No by-products Soft coke Metallurgical coke Very low calorific value coke oven gas No by-products Soft coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A fuel with high heat release rate will None of these Have high adiabatic flame temperature Require smaller combustion chamber Have high calorific value None of these Have high adiabatic flame temperature Require smaller combustion chamber Have high calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Preheating of a gaseous fuel results in increased Flame length Ignition temperature Flame temperature Quantity of flue gas Flame length Ignition temperature Flame temperature Quantity of flue gas 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 Have proper combustion by supplying it around the burner Preheat the tertiary air used for complete combustion of CO to CO₂ Burn CO to CO₂ Dry and transport the coal Have proper combustion by supplying it around the burner Preheat the tertiary air used for complete combustion of CO to CO₂ Burn CO to CO₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Rate of low temperature oxidation of coal due to bad storage conditions Decreases with increase in surface area Is accelerated by storage in large heaps with small surface to volume ratio Is more for low volatile coal compared to high volatile coal Does not vary with increase in surface area Decreases with increase in surface area Is accelerated by storage in large heaps with small surface to volume ratio Is more for low volatile coal compared to high volatile coal Does not vary with increase in surface area ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion __________ process is meant for direct hydrogenation of coal to produce liquid fuel. Lurgi Bergius Fischer-Tropsch None of these Lurgi Bergius Fischer-Tropsch None of these ANSWER DOWNLOAD EXAMIANS APP
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