Fuels and Combustion The function of secondary combustion air is to Pneumatically convey the pulverised coal Completely burn the volatile matter None of these Burn the lumpy coal Pneumatically convey the pulverised coal Completely burn the volatile matter None of these Burn the lumpy coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Abel apparatus is used for those oils, whose flash points are___°F. >280 >120 300-600 >280 >120 300-600 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fuel combustion is never cent per cent efficient due to Dry gas/stack gas loss Moisture loss All of these Incomplete combustion Dry gas/stack gas loss Moisture loss All of these Incomplete combustion ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The sequence of absorption in flue gas analysis by Orsat's apparatus is respectively CO₂, CO, O₂ CO₂, O₂, CO CO, O₂, CO₂ O₂, CO₂, CO CO₂, CO, O₂ CO₂, O₂, CO CO, O₂, CO₂ O₂, CO₂, CO ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fuel gases containing hydrocarbons (ie.g. coke oven gas) are not preheated before burning, mainly because The hydrocarbons crack thereby choking and fouling the heat transfer surface by carbon soot It reduces its flame temperature tremendously It reduces its calorific value tremendously There are chances of explosion during preheating The hydrocarbons crack thereby choking and fouling the heat transfer surface by carbon soot It reduces its flame temperature tremendously It reduces its calorific value tremendously There are chances of explosion during preheating ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Water gas constitutes mainly of CO & H₂ CO & N₂ CH₄ & H₂ CO₂ & H₂ CO & H₂ CO & N₂ CH₄ & H₂ CO₂ & H₂ ANSWER DOWNLOAD EXAMIANS APP
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