Fuels and Combustion Coal tar (produced by high temperature carbonisation) is the main source of Paraffins Olefins Alphatic compounds Aromatic compounds Paraffins Olefins Alphatic compounds Aromatic compounds ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Beehive coke oven Facilitates by-products recovery Gives larger yield of coke (around 85%) as compared to by-product ovens Produces coke with very poor strength Takes 2-3 days for coking of coal but requires no external fuel for heating Facilitates by-products recovery Gives larger yield of coke (around 85%) as compared to by-product ovens Produces coke with very poor strength Takes 2-3 days for coking of coal but requires no external fuel for heating ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The maximum adiabatic flame temperature in air as compared to that in pure oxygen is Same Much lower Much higher Either lower or higher, depends on the type of fuel Same Much lower Much higher Either lower or higher, depends on the type of fuel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gross heating value of coal is __________ the net heating value. None of these Same as Lower than Higher than None of these Same as Lower than Higher than ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Blast furnace gas constitutes mainly of N₂ & CO N₂ & CH₄ N₂ & H₂ CH₄ & CO₂ N₂ & CO N₂ & CH₄ N₂ & H₂ CH₄ & CO₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Increase in ash content of blast furnace coke Decreases its hardness and abrasion resistance Reduces its consumption in the furnace Increases its consumption in the furnace Does not affect its consumption in the furnace Decreases its hardness and abrasion resistance Reduces its consumption in the furnace Increases its consumption in the furnace Does not affect its consumption in the furnace ANSWER DOWNLOAD EXAMIANS APP
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