Fuels and Combustion For maximum discharge through a chimney, its height should be Infinitely long 200 meters More than 105.7 metres Equal to the height of the hot gas column producing draught Infinitely long 200 meters More than 105.7 metres Equal to the height of the hot gas column producing draught ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In high temperature carbonisation of coal compared to low temperature carbonisation Aromatic content of tar is low Calorific value of the coke oven gas is lower Yield of ammonia is less H₂ content in the coke oven gas is more Aromatic content of tar is low Calorific value of the coke oven gas is lower Yield of ammonia is less H₂ content in the coke oven gas is more ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Theoretical flame temperature of a fuel is that temperature which is attained, when the fuel is completely burnt 'using theoretical amount of air in Air Oxygen Either A or B Either A or C without gain or loss of heat Air Oxygen Either A or B Either A or C without gain or loss of heat ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Highly reactive coke have lower Critical air blast (CAB) value Coke reactivity index (CRI) Both B and C Porosity Critical air blast (CAB) value Coke reactivity index (CRI) Both B and C Porosity ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which is the heaviest fuel gas out of the following? Water gas Blast furnace gas Coke oven gas Carburetted water gas Water gas Blast furnace gas Coke oven gas Carburetted water gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of coke oven gas is around __________ Kcal/Nm³. 2000 900 4200 7500 2000 900 4200 7500 ANSWER DOWNLOAD EXAMIANS APP
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