Fuels and Combustion During its calorific value determination by bomb calorimeter, coal is combusted by Oxygen Air Oxygen enriched air None of these Oxygen Air Oxygen enriched air None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In general, the limit of inflammability/explosion limit of fuel gases is widened by the All of these Increase in gas pressure Increase in temperature (i.e. preheating) Use of pure oxygen for combustion instead of air All of these Increase in gas pressure Increase in temperature (i.e. preheating) Use of pure oxygen for combustion instead of air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of wood gas is about __________ kcal/Nm³. 3300 8500 5400 1500 3300 8500 5400 1500 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Main constituents of purified Lurgi gas are H₂, CmHn & CO₂ N₂, H₂ & CO₂ CO₂, O₂ & CO CO, H₂ & CH₄ H₂, CmHn & CO₂ N₂, H₂ & CO₂ CO₂, O₂ & CO CO, H₂ & CH₄ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ratio of primary air to secondary air increases with increase in the rank of coal, because the Ratio of fixed carbon to volatile matter increases High rank coals have higher amount of volatile matter Oxygen content progressively decreases Calorific value of the coal increases Ratio of fixed carbon to volatile matter increases High rank coals have higher amount of volatile matter Oxygen content progressively decreases Calorific value of the coal increases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Preheating of a gaseous fuel results in increased Flame temperature Ignition temperature Flame length Quantity of flue gas Flame temperature Ignition temperature Flame length Quantity of flue gas ANSWER DOWNLOAD EXAMIANS APP
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