Fuels and Combustion Use of preheated air for combustion of fuel in the furnace, increases the None of these Calorific value of the fuel Flame temperature Scale losses of the furnace stock None of these Calorific value of the fuel Flame temperature Scale losses of the furnace stock ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The heat of combustion of a fuel Is always negative Is always positive Can't be known without calculating it Is equal to the heat of formation Is always negative Is always positive Can't be known without calculating it Is equal to the heat of formation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Largest constituent of blast furnace gas is N₂ CO₂ CO H₂ N₂ CO₂ CO H₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Prime coking coal is always blended with medium or non- coking coal before ear-bonisation Neither A nor B Because, it alone produces unreactive coke Both A & B To check against its excessive swelling during heating, which may exert high pressure and damage coke oven walls Neither A nor B Because, it alone produces unreactive coke Both A & B To check against its excessive swelling during heating, which may exert high pressure and damage coke oven walls ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Artificial draught produced by a fan can be controlled by the Damper All of these Speed of the fan Variation in the pitch of the fan blades Damper All of these Speed of the fan Variation in the pitch of the fan blades ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of coke even gas produced by low temperature carbonisation of coal is about __________ Kcal/Nm³. 10000 2500 4000 6500 10000 2500 4000 6500 ANSWER DOWNLOAD EXAMIANS APP
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