Fuels and Combustion In general, the limit of inflammability/explosion limit of fuel gases is widened by the All of these Use of pure oxygen for combustion instead of air Increase in gas pressure Increase in temperature (i.e. preheating) All of these Use of pure oxygen for combustion instead of air Increase in gas pressure Increase in temperature (i.e. preheating) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Presence of phosphorous in metallurgical coal Increases its caking power Badly affects the quality of steel Is not undersirable Reduces its calorific value Increases its caking power Badly affects the quality of steel Is not undersirable Reduces its calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Presence of __________ in a dry gaseous fuel does not contribute to its calorific value. Carbon Oxygen Sulphur Hydrogen Carbon Oxygen Sulphur Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Abrasion index of blast furnace coke should be around __________ percent. 35 20 80 55 35 20 80 55 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke having higher porosity has Lower bulk density Lower strength All of these Higher reactivity Lower bulk density Lower strength All of these Higher reactivity ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Main constituents of purified Lurgi gas are N₂, H₂ & CO₂ H₂, CmHn & CO₂ CO₂, O₂ & CO CO, H₂ & CH₄ N₂, H₂ & CO₂ H₂, CmHn & CO₂ CO₂, O₂ & CO CO, H₂ & CH₄ ANSWER DOWNLOAD EXAMIANS APP
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