Fuels and Combustion Which of the following gaseous fuels has the lowest calorific value? Refinery gas Gobar gas Blast furnace gas Converter gas Refinery gas Gobar gas Blast furnace gas Converter gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature oxidation of coal is accelerated by the Storage in compressed piles Absence of porous or friable particles Storage in large heaps All of these Storage in compressed piles Absence of porous or friable particles Storage in large heaps All 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 None of these Lower carbon dioxide content Higher carbon monoxide content Higher methane content and thus higher calorific value None of these Lower carbon dioxide content Higher carbon monoxide content 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
Fuels and Combustion Natural draft created by the chimney depends upon Temperature of the flue gas Its height Neither A nor B Both A & B Temperature of the flue gas Its height Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A certain thickness of the coal, if stored unscientifically on soft (katcha) ground having no metallic/concrete flooring gets sunked into the ground, which is termed as the 'carpet loss'. The carpet loss may be of the order of __________ cms. 20 to 40 3 to 4 5 to 15 1 to 2 20 to 40 3 to 4 5 to 15 1 to 2 ANSWER DOWNLOAD EXAMIANS APP
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