Fuels and Combustion Low temperature oxidation of stored coal results in the Decrease in its caking power & calorific value All of these Increase in its oxygen content Decrease in its carbon & hydrogen content Decrease in its caking power & calorific value All of these Increase in its oxygen content Decrease in its carbon & hydrogen content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In flue gas analysis by Orsat's apparatus, carbon monoxide is absorbed by Cuprous chloride Potassium hydroxide None of these Alkaline pyrogallol solution Cuprous chloride Potassium hydroxide None of these Alkaline pyrogallol solution ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The lowest temperature, at which a solid fuel produces enough vapors to support continuous combustion, is called Smoke point Kindling temperature Burning temperature Fire point Smoke point Kindling temperature Burning temperature Fire point ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following accentuates clinker-ing trouble on furnace grate burning coal? Thick fire bed and preheated primary air Low reactivity of carbonised residue containing high proportions of iron & sulphur Low forced draught and fuel bed temperature All of these Thick fire bed and preheated primary air Low reactivity of carbonised residue containing high proportions of iron & sulphur Low forced draught and fuel bed temperature All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Stack heat losses can be minimised by Oxygen enrichment of combustion air Using low c.v. fuels Maintaining proper draft in the furnace Controlling the excess air Oxygen enrichment of combustion air Using low c.v. fuels Maintaining proper draft in the furnace Controlling the excess air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following constituents of coal is the most important in the production of coke? Carbon Moisture Ash Volatiles Carbon Moisture Ash Volatiles ANSWER DOWNLOAD EXAMIANS APP
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