Fuels and Combustion Washing of coal decreases its Both B and C Mineral matter content Caking index Ash content Both B and C Mineral matter content Caking index Ash content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The optimum percentage of excess air for combustion depends upon the __________ of the fuel. Ignition temperature Type (solid, liquid or gaseous) Sulphur content Calorific value Ignition temperature Type (solid, liquid or gaseous) Sulphur content Calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal is pulverised before burning in large capacity boiler furnaces mainly to Facilitate easy ash removal Provide trouble free operation Enhance its calorific value Ensure its complete combustion Facilitate easy ash removal Provide trouble free operation Enhance its calorific value Ensure its complete combustion ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Efficiency of the combustion of a fuel is judged by the __________ the flue gas. Temperature of Colour of % of O₂in %of CO₂ in Temperature of Colour of % of O₂in %of CO₂ in ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Blast furnace gas burns with a bluish flame, because of the presence of CH₄ S CO₂ CO CH₄ S CO₂ CO ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Yield of charcoal in high temperature carbonisation of wood is about __________ percent. 75 10 50 25 75 10 50 25 ANSWER DOWNLOAD EXAMIANS APP
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