Fuels and Combustion Which of the following fuels is the best for burning on chain grate stoker? Coking coal Non-caking coal Pulverised coal Caking coal Coking coal Non-caking coal Pulverised coal Caking coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Washing of coal Improves its coking properties Controls its ash fusibility and increases its calorific value Reduces its sulphur and ash content All of these Improves its coking properties Controls its ash fusibility and increases its calorific value Reduces its sulphur and ash content All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Caking coal is desirable for Burning on firebars Coke making All of these Burning on travelling grate Burning on firebars Coke making All of these Burning on travelling grate ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific values of both the solid as well as the liquid fuels can be determined by __________ calorimeter. Junkar's Boy's None of these Bomb Junkar's Boy's None of these Bomb ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Temperature of preheated air used for the transportation of pulverised coal through pipes to the burner of a boiler furnace is restricted to a maximum limit of about 300° C to avoid the Incomplete combustion of coal Requirement of large volume combustion chamber Chances of clinker formation Risk of explosion Incomplete combustion of coal Requirement of large volume combustion chamber Chances of clinker formation Risk of explosion 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 Higher carbon monoxide content 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 ANSWER DOWNLOAD EXAMIANS APP
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