Fuels and Combustion Calorific value of of blast furnace gas is around __________ KCal/Nm³. 850 1800 4200 6500 850 1800 4200 6500 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Short/intense flame is produced during combustion of gaseous fuel by using Low amount/current of combustion air High amount/current of combustion air Very little excess air Preheated secondary air Low amount/current of combustion air High amount/current of combustion air Very little excess air Preheated secondary air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High excess air in combustion of fuels results in Incomplete combustion Increased fuel consumption Smoky flame None of these Incomplete combustion Increased fuel consumption Smoky flame None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Advantages of fluidised bed combustion are Lower furnace operating temperature All of these Reduced NOx formation in flue gas High heat transfer rate Lower furnace operating temperature All of these Reduced NOx formation in flue gas High heat transfer rate ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Use of excess of combustion air in the combustion of fuels results in None of these Heat losses Long flame Condensation of water vapour from the fuel gas None of these Heat losses Long flame Condensation of water vapour from the fuel gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The function of secondary combustion air is to Pneumatically convey the pulverised coal Burn the lumpy coal Completely burn the volatile matter None of these Pneumatically convey the pulverised coal Burn the lumpy coal Completely burn the volatile matter None of these ANSWER DOWNLOAD EXAMIANS APP
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