Fuels and Combustion The maximum percentage of CO₂ in a flue gas (from a carbonaceous fuel) can be 77 79 21 29 77 79 21 29 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion When the coal is heated in absence of air, it is called its Coalification Gasification Carbonisation Deoxidation Coalification Gasification Carbonisation Deoxidation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High excess air in combustion of fuels results in Incomplete combustion None of these Increased fuel consumption Smoky flame Incomplete combustion None of these Increased fuel consumption Smoky flame ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Washing of coal 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 Improves its coking properties ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Bituminous coal Ignites less easily than anthracite Burns with smoky yellow flame Is generally coking Both B and C Ignites less easily than anthracite Burns with smoky yellow flame Is generally coking Both B and C ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Volumetric ratio of N₂ to O₂ in dry atmospheric air is 3.76 0.79 4.76 0.21 3.76 0.79 4.76 0.21 ANSWER DOWNLOAD EXAMIANS APP
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