Fuels and Combustion The optimum percentage of excess air for combustion depends upon the __________ of the fuel. Sulphur content Calorific value Type (solid, liquid or gaseous) Ignition temperature Sulphur content Calorific value Type (solid, liquid or gaseous) Ignition temperature ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A good metallurgical coke should have very low Hardness & strength Porosity Fusion point of its ash Sulphur & phosphorous content Hardness & strength Porosity Fusion point of its ash Sulphur & phosphorous content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Yield of charcoal in high temperature carbonisation of wood is about __________ percent. 10 75 25 50 10 75 25 50 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Stack heat losses can be minimised by Using low c.v. fuels Maintaining proper draft in the furnace Oxygen enrichment of combustion air Controlling the excess air Using low c.v. fuels Maintaining proper draft in the furnace Oxygen enrichment of combustion air Controlling the excess air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Blast furnace gas constitutes mainly of N₂ & CO N₂ & H₂ N₂ & CH₄ CH₄ & CO₂ N₂ & CO N₂ & H₂ N₂ & CH₄ CH₄ & CO₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In Lurgi coal gasifier, Entrainment of solids is higher Larger quantity of coal can be processed Low carbon conversion efficiency is achieved Coking coals cannot be used Entrainment of solids is higher Larger quantity of coal can be processed Low carbon conversion efficiency is achieved Coking coals cannot be used ANSWER DOWNLOAD EXAMIANS APP
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