Fuels and Combustion Washing of coal Reduces its sulphur and ash content All of these Controls its ash fusibility and increases its calorific value Improves its coking properties Reduces its sulphur and ash content All of these Controls its ash fusibility and increases its calorific value Improves its coking properties 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 None of these 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 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Percentage of carbon monoxide in blast furnace gas may be around 22 8 52 14 22 8 52 14 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following coke has the least percentage of ash? Beehive coke Foundary coke Metallurgical coke Petroleum coke Beehive coke Foundary coke Metallurgical coke Petroleum coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal is pulverised before burning in large capacity boiler furnaces mainly to Ensure its complete combustion Enhance its calorific value Facilitate easy ash removal Provide trouble free operation Ensure its complete combustion Enhance its calorific value Facilitate easy ash removal Provide trouble free operation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion C/H ratio is the maximum in case of Coal Natural gas Naphtha Furnace oil Coal Natural gas Naphtha Furnace oil ANSWER DOWNLOAD EXAMIANS APP
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