Fuels and Combustion Which of the following has the least calorific value (kcal/Nm³) ? Sewage gas Blast furnace gas Natural gas Coke oven gas Sewage gas Blast furnace gas Natural gas Coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A gaseous fuel in order to develop luminousity on burning, must contain Hydrocarbons Hydrogen Oxygen Carbon monoxide Hydrocarbons Hydrogen Oxygen Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke oven gas constitutes mainly of H₂ & CO H₂ & CH₄ CH₄ & CO H₂ & CO₂ H₂ & CO H₂ & CH₄ CH₄ & CO H₂ & CO₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal having high ratio of volatile matter to fixed carbon as compared to a coal having low ratio of volatile matter to fixed carbon Requires smaller combustion space and less secondary air Is less liable to spontaneous combustion on storage Is more difficult to ignite and produces a shorter flame None of these Requires smaller combustion space and less secondary air Is less liable to spontaneous combustion on storage Is more difficult to ignite and produces a shorter flame None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In Lurgi coal gasifier, Larger quantity of coal can be processed Coking coals cannot be used Low carbon conversion efficiency is achieved Entrainment of solids is higher Larger quantity of coal can be processed Coking coals cannot be used Low carbon conversion efficiency is achieved Entrainment of solids is higher ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Size of blast furnace grade coke is __________ mm. >100 25-80 15-25 0-15 >100 25-80 15-25 0-15 ANSWER DOWNLOAD EXAMIANS APP
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