Fuels and Combustion Number of macrocomponents present in coal according to Stopes are Four Five Six Two Four Five Six Two ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following has the highest calorific value? Lignite Sub-bituminous coal Peat Anthracite Lignite Sub-bituminous coal Peat Anthracite 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 Blast furnace gas burns with a bluish flame, because of the presence of S CH₄ CO₂ CO S CH₄ CO₂ CO ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Weathering of coal during storage causes All of these Decrease in its caking capacity Reduction in coal size Increase in its friability All of these Decrease in its caking capacity Reduction in coal size Increase in its friability ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Presence of free moisture in coal is most disadvantageous during Combustion of fire slacks on the grates Handling (e.g. when emptying wagons) Its pulverisation (as it requires more power) None of these Combustion of fire slacks on the grates Handling (e.g. when emptying wagons) Its pulverisation (as it requires more power) None of these ANSWER DOWNLOAD EXAMIANS APP
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