Fuels and Combustion Advantages of fluidised bed combustion are All of these High heat transfer rate Lower furnace operating temperature Reduced NOx formation in flue gas All of these High heat transfer rate Lower furnace operating temperature Reduced NOx formation in flue gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Combustion of pulverised fuel Requires larger combustion chamber than rich gaseous fuel All of these Suppresses the discharge of fine dust and grit into atmosphere In a metallurgical furnace does not contaminate the product in the furnace by ash from fuel Requires larger combustion chamber than rich gaseous fuel All of these Suppresses the discharge of fine dust and grit into atmosphere In a metallurgical furnace does not contaminate the product in the furnace by ash from fuel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion 'Mixed gas' used in steel plants is a mixture of Blast furnace gas and naphtha vapor Coke oven gas and L.P.G F. gas and coke oven gas Coke oven gas and converter gas Blast furnace gas and naphtha vapor Coke oven gas and L.P.G F. gas and coke oven gas Coke oven gas and converter gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Combustion of pulverised coal compared to the lumpy coal Provides higher thermal efficiency & flame temperature Provides better control of furnace temperature All of these Facilitates combustion with lower excess air Provides higher thermal efficiency & flame temperature Provides better control of furnace temperature All of these Facilitates combustion with lower excess air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Lurgi gasifier (high pressure gasifier) as compared to Kopper Totzek gasifier (atmospheric pressure gasifier) produces Higher amount of both methane and hydrogen Higher amount of methane Lower amount of hydrogen Both A & B Higher amount of both methane and hydrogen Higher amount of methane Lower amount of hydrogen Both A & B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gasification of the solid fuel converts its organic part into combustible by interaction with air/oxygen and steam so as to obtain a secondary gaseous fuel of high calorific value having no ash. Gasification reactions are normally carried out at about __________ °C. 900-1000 1400-1500 400-500 1700-1800 900-1000 1400-1500 400-500 1700-1800 ANSWER DOWNLOAD EXAMIANS APP
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