Fuels and Combustion Gobar gas constitutes mainly of CH₄ & CO₂ CO & CO₂ CO & N₂ CH₄ & N₂ CH₄ & CO₂ CO & CO₂ CO & N₂ CH₄ & N₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Preheating of coal charge for the coke ovens reduces the Fuel consumption in coking All of these Time of carbonisation Yield of gas and tar Fuel consumption in coking All of these Time of carbonisation Yield of gas and tar ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following would require least amount of secondary air for combustion? Bituminous coal containing 20% ash and 25% volatile matter Anthracite containing 10% volatile matter and 8% ash Semi-bituminous coal containing 25% ash and 20% volatile matter Coke breeze containing 25% ash and 2% volatile matter Bituminous coal containing 20% ash and 25% volatile matter Anthracite containing 10% volatile matter and 8% ash Semi-bituminous coal containing 25% ash and 20% volatile matter Coke breeze containing 25% ash and 2% volatile matter ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Yield of charcoal in high temperature carbonisation of wood is about __________ percent. 75 10 50 25 75 10 50 25 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke oven gas is stripped of its H₂S and mercaptans content by Bubbling it through dilute sulphuric acid Adsorption on bog iron bed Absorption in wash oil Adsorption on silica gel Bubbling it through dilute sulphuric acid Adsorption on bog iron bed Absorption in wash oil Adsorption on silica gel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion For the case of a fuel gas undergoing combustion with air, if the air/fuel ratio is increased, the adiabatic flame temperature will Increase or decrease depending on the fuel type Not change Decrease Increase Increase or decrease depending on the fuel type Not change Decrease Increase ANSWER DOWNLOAD EXAMIANS APP
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