Fuels and Combustion For maximum discharge through a chimney, its height should be More than 105.7 metres Infinitely long 200 meters Equal to the height of the hot gas column producing draught More than 105.7 metres Infinitely long 200 meters Equal to the height of the hot gas column producing draught ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Traces of tar fog present in the coke oven gas is removed by Cyclone separator Electrostatic precipitator Wet packed scrubber Washing with monoethanolamine Cyclone separator Electrostatic precipitator Wet packed scrubber Washing with monoethanolamine ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During combustion of a gaseous fuel, the presence of a non-luminous flame is an indication of the Incomplete combustion Complete combustion None of these High oxygen in flue gas Incomplete combustion Complete combustion None of these High oxygen in flue gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal gasifier opearating at 20 atm. (e.g. Lugri gasifier) as compared to one operating at atmospheric pressure (e.g. Kopper-Totzek or Winkler gasifier) will produce a gas having Higher carbon monoxide content Lower carbon dioxide content Higher methane content and thus higher calorific value None of these Higher carbon monoxide content Lower carbon dioxide content Higher methane content and thus higher calorific value None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The pyragallol solution used in orsat apparatus can absorb All of these Only O₂ Both O₂ and CO Both O₂ and CO₂ All of these Only O₂ Both O₂ and CO Both O₂ and CO₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Dry air requirement for burning 1 Nm³ of CO to CO₂ may be around __________ Nm³. 1.75 2.4 0.87 11.4 1.75 2.4 0.87 11.4 ANSWER DOWNLOAD EXAMIANS APP
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