Fuels and Combustion Preheating of coal charge for the coke ovens reduces the Fuel consumption in coking Yield of gas and tar Time of carbonisation All of these Fuel consumption in coking Yield of gas and tar Time of carbonisation All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Oxygen content in a flue gas was found to be 4%. It implies that excess air used for combustion was around __________ percent. 96 4 20 40 96 4 20 40 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion One kg of carbon for theoretically complete combustion requires __________ kg of air. 11.5 0.5 12 23 11.5 0.5 12 23 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Actual flame temperature is always lower than the adiabatic flame temperature, because there is Always loss of heat from the flame No possibility of obtaining complete combustion at high temperature Both A & B Neither A nor B Always loss of heat from the flame No possibility of obtaining complete combustion at high temperature Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
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 Wet scrubber Bag filter Multicyclones Hydrocyclones Wet scrubber Bag filter Multicyclones ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Lignite is A high rank coal A coking coal A black banded coal which burns with a non-smoky yellowish flame Can be used for gasification and steam generation A high rank coal A coking coal A black banded coal which burns with a non-smoky yellowish flame Can be used for gasification and steam generation ANSWER DOWNLOAD EXAMIANS APP
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