Fuels and Combustion Combustion of pulverised fuel All of these In a metallurgical furnace does not contaminate the product in the furnace by ash from fuel Requires larger combustion chamber than rich gaseous fuel Suppresses the discharge of fine dust and grit into atmosphere All of these In a metallurgical furnace does not contaminate the product in the furnace by ash from fuel Requires larger combustion chamber than rich gaseous fuel Suppresses the discharge of fine dust and grit into atmosphere ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Bright coal Contains more than 90% durain Contains mainly vitrain & clarain and is generally coking Contains more than 90% fussain Is non-coking Contains more than 90% durain Contains mainly vitrain & clarain and is generally coking Contains more than 90% fussain Is non-coking ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The sequence of absorption in flue gas analysis by Orsat's apparatus is respectively CO₂, O₂, CO CO₂, CO, O₂ O₂, CO₂, CO CO, O₂, CO₂ CO₂, O₂, CO CO₂, CO, O₂ O₂, CO₂, CO CO, O₂, CO₂ 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 methane content and thus higher calorific value Higher carbon monoxide content None of these Lower carbon dioxide content Higher methane content and thus higher calorific value Higher carbon monoxide content None of these Lower carbon dioxide content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following has the highest heat of combustion? H₂ CH₄ CO C₂H₆ H₂ CH₄ CO C₂H₆ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Preheating of __________ the flame temperature. Combustion air decreases The gaseous fuel before combustion decreases Either the fuel or the air or both, increases Either the fuel or the air does not affect Combustion air decreases The gaseous fuel before combustion decreases Either the fuel or the air or both, increases Either the fuel or the air does not affect ANSWER DOWNLOAD EXAMIANS APP
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