Fuels and Combustion Which of the following is the most important deterrents to an extended use of pulverised coal in boiler firing? High power consumption in its transportation Excessive fly-ash discharge from the stack Ash disposal problem Erosion of induced draft fan blades High power consumption in its transportation Excessive fly-ash discharge from the stack Ash disposal problem Erosion of induced draft fan blades ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not endothermic? Cracking Reforming Partial oxidation Gasification Cracking Reforming Partial oxidation Gasification ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke oven gas produced by high temperature carbonisation of coal (as compared to that produced by low temperature carbonisation), has Both A & B Neither A nor B Higher calorific value Lower hydrogen content Both A & B Neither A nor B Higher calorific value Lower hydrogen content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following combustibles is absent in blast furnace gas? CH₄ H₂ None of these CO CH₄ H₂ None of these CO ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The main reason for making the copper calorimeter (used in bomb calorimeter) silvery white and shining/polished is to Minimise its corrosion Make it look attractive Avoid radiation heat loss None of these Minimise its corrosion Make it look attractive Avoid radiation heat loss None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The lowest temperature, at which a solid fuel produces enough vapors to support continuous combustion, is called Burning temperature Fire point Kindling temperature Smoke point Burning temperature Fire point Kindling temperature Smoke point ANSWER DOWNLOAD EXAMIANS APP
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