Fuels and Combustion The function of secondary combustion air is to Completely burn the volatile matter Burn the lumpy coal None of these Pneumatically convey the pulverised coal Completely burn the volatile matter Burn the lumpy coal None of these Pneumatically convey the pulverised coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Sulphur in metallurgical coal Affects the quality of steel produced as cracks develop on the surface while rolling the steel Both A and B Contributes to its heating value Neither A nor B Affects the quality of steel produced as cracks develop on the surface while rolling the steel Both A and B Contributes to its heating value Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Producer gas containing least amount of tar is produced by the Partial combustion of large size (< 50 mm) coke Partial combustion of coal Atmospheric pressure gasification of coal (e.g., in Kopper-Totzek gasifier) High pressure gasification of coal (e.g. in Lurgi gasifier) Partial combustion of large size (< 50 mm) coke Partial combustion of coal Atmospheric pressure gasification of coal (e.g., in Kopper-Totzek gasifier) High pressure gasification of coal (e.g. in Lurgi gasifier) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Blast furnace gas constitutes mainly of CH₄ & CO₂ N₂ & H₂ N₂ & CH₄ N₂ & CO CH₄ & CO₂ N₂ & H₂ N₂ & CH₄ N₂ & CO ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not endothermic? Gasification Cracking Reforming Partial oxidation Gasification Cracking Reforming Partial oxidation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Higher fuel combustion efficiency can not be achieved by Supplying correct amount of combustion air Reducing sulphur content in the fuel Adopting proper fuel firing technique & fuel preparation Preheating of fuel gases & combustion air Supplying correct amount of combustion air Reducing sulphur content in the fuel Adopting proper fuel firing technique & fuel preparation Preheating of fuel gases & combustion air ANSWER DOWNLOAD EXAMIANS APP