Fuels and Combustion The main function of primary air in pulverised coal fired burner is to Preheat the tertiary air used for complete combustion of CO to CO₂ Dry and transport the coal Have proper combustion by supplying it around the burner Burn CO to CO₂ Preheat the tertiary air used for complete combustion of CO to CO₂ Dry and transport the coal Have proper combustion by supplying it around the burner Burn CO to CO₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke oven gas constitutes mainly of H₂ & CO₂ H₂ & CH₄ H₂ & CO CH₄ & CO H₂ & CO₂ H₂ & CH₄ H₂ & CO CH₄ & CO ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion While the first commercial low temperature coal carbonisation plant is located at Neyveli (in Chennai), the second such plant has been built at Singreni (AP.) Dhanbad Raniganj Dankuni (West Bengal) Singreni (AP.) Dhanbad Raniganj Dankuni (West Bengal) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During coal carbonisation process, the conversion of semi-coke to coke is accompanied by an increase in the __________ of the mass. None of these Electrical resistivity Porosity Density None of these Electrical resistivity Porosity Density ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion __________ prohibits the use of alcohols directly in petrol engines. Low flash point Low calorific value Low octane number High cost & availability Low flash point Low calorific value Low octane number High cost & availability ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A carbonaceous fuel (containing no H₂ or hydrocarbons) is burnt and the resulting flue gas contains 21% CO₂. It means that Complete combustion of fuel has taken place No excess air has been used for combustion 21% excess oxygen has been used for combustion 21% excess air has been used for combustion Complete combustion of fuel has taken place No excess air has been used for combustion 21% excess oxygen has been used for combustion 21% excess air has been used for combustion ANSWER DOWNLOAD EXAMIANS APP