Fuels and Combustion Which of the following petrographic constituents of coal is non-coking? Clarain Vitrain Durain Fussain Clarain Vitrain Durain Fussain ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Blast furnace gas compared to coke oven gas has Narrower limit of inflammability Lower ignition temperature Higher calorific value Lower theoretical flame temperature Narrower limit of inflammability Lower ignition temperature Higher calorific value Lower theoretical flame temperature ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ash content in the coke produced from a coking coal having 20% ash may be around __________ percent. 6 12 18 24 6 12 18 24 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is coking? Fussain Neither A nor B Both A & B Vitrain Fussain Neither A nor B Both A & B Vitrain ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Tar yield in the low temperature and high temperature carbonisation of dry coal may be respectively __________ percent. 15 & 8 10 & 20 10 & 3 3 & 10 15 & 8 10 & 20 10 & 3 3 & 10 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 Lower carbon dioxide content None of these Higher carbon monoxide content Higher methane content and thus higher calorific value Lower carbon dioxide content None of these Higher carbon monoxide content Higher methane content and thus higher calorific value ANSWER DOWNLOAD EXAMIANS APP
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