Fuels and Combustion Incomplete combustion of fuel in the furnace is judged by high __________ of the flue gases. O₂ content CO content Dew point CO₂ content O₂ content CO content Dew point CO₂ content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Use of excess of combustion air in the combustion of fuels results in Long flame Heat losses Condensation of water vapour from the fuel gas None of these Long flame Heat losses Condensation of water vapour from the fuel gas None of these 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 Lower carbon dioxide content Higher carbon monoxide content None of these Higher methane content and thus higher calorific value Lower carbon dioxide content Higher carbon monoxide content None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal having high ratio of volatile matter to fixed carbon as compared to a coal having low ratio of volatile matter to fixed carbon Is less liable to spontaneous combustion on storage Requires smaller combustion space and less secondary air Is more difficult to ignite and produces a shorter flame None of these Is less liable to spontaneous combustion on storage Requires smaller combustion space and less secondary air Is more difficult to ignite and produces a shorter flame None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Benzol is used As a motor fuel blend For producing benzene, tolune & xylene by its distillation Neither A nor B Both A & B As a motor fuel blend For producing benzene, tolune & xylene by its distillation Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Bright coal Contains more than 90% fussain Is non-coking Contains mainly vitrain & clarain and is generally coking Contains more than 90% durain Contains more than 90% fussain Is non-coking Contains mainly vitrain & clarain and is generally coking Contains more than 90% durain ANSWER DOWNLOAD EXAMIANS APP
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