Fuels and Combustion Quantity of coke produced from metallurgical coal may be around __________ percent. 50 75 95 30 50 75 95 30 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coking coals are invariably Anthracites Bituminous coals Lignites Semi-anthracites Anthracites Bituminous coals Lignites Semi-anthracites ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in the oxygen content of the coal, its __________ decreases. Neither A nor B Caking power Calorific value Both A & B Neither A nor B Caking power Calorific value Both A & B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which is the most matured coal? Bituminous Anthracite Lignite Semi-anthracite Bituminous Anthracite Lignite Semi-anthracite ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Removal of hydrogen from coke oven gas Is not possible on commerical scale Increases its calorific value Decreases its calorific value Does not alter its calorific value Is not possible on commerical scale Increases its calorific value Decreases its calorific value Does not alter its calorific value 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 None of these 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 ANSWER DOWNLOAD EXAMIANS APP
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