Fuels and Combustion As the C/H ratio of the fuel increases, the amount of CO₂ formed on combustion __________ for the same percentage of excess air. May increase or decrease depending on the type of fuel Decreases Remains same Increases May increase or decrease depending on the type of fuel Decreases Remains same Increases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Washing of coal decreases its Mineral matter content Ash content Caking index Both B and C Mineral matter content Ash content Caking index Both B and C ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In low temperature carbonisation (as compared to high temperature carbonisation) of coal Aliphatic tar is produced All of these Ammonia yield is more Free carbon in tar is more Aliphatic tar is produced All of these Ammonia yield is more Free carbon in tar is more ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In flue gas analysis by Orsat's apparatus, carbon dioxide is absorbed by Dilute potassium carbonate Potassium hydroxide Cuporus chloride Alkaline pyragllol solution Dilute potassium carbonate Potassium hydroxide Cuporus chloride Alkaline pyragllol solution ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion When the coal is heated in absence of air, it is called its Gasification Coalification Carbonisation Deoxidation Gasification Coalification Carbonisation Deoxidation 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 Burning temperature Fire point Kindling temperature Smoke point Burning temperature Fire point Kindling temperature ANSWER DOWNLOAD EXAMIANS APP