Fuels and Combustion Efficiency of the combustion of a fuel is judged by the __________ the flue gas. %of CO₂ in Colour of % of O₂in Temperature of %of CO₂ in Colour of % of O₂in Temperature of ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A travelling grate stoker is meant for the efficient burning of __________ coal. High ash Pulverised Non-caking Caking High ash Pulverised Non-caking Caking ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Increase in ash content of blast furnace coke Increases its consumption in the furnace Decreases its hardness and abrasion resistance Does not affect its consumption in the furnace Reduces its consumption in the furnace Increases its consumption in the furnace Decreases its hardness and abrasion resistance Does not affect its consumption in the furnace Reduces its consumption in the furnace ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The temperature at which plastic layer formation takes place during carbonisation of coal varies from __________ °C. 550 to 650 100 to 150 700 to 850 350 to 450 550 to 650 100 to 150 700 to 850 350 to 450 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 methane content and thus higher calorific value Higher carbon monoxide content None of these Lower carbon dioxide content Higher methane content and thus higher calorific value Higher carbon monoxide content None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of both the solid & liquid fuels can be determined by using __________ calorimeter. None of these Junker's Boy's Bomb None of these Junker's Boy's Bomb ANSWER DOWNLOAD EXAMIANS APP
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