Fuels and Combustion Nitrogen in coal All of these Comes from protein in parent vegetable matter Is present upto 1-2% Is recovered as ammonia during its carbonisation All of these Comes from protein in parent vegetable matter Is present upto 1-2% Is recovered as ammonia during its carbonisation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The main function of primary air in pulverised coal fired burner is to 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 Preheat the tertiary air used for complete combustion of CO to CO₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Pitch creosote mixture (PCM) as compared to furnace oil is a better fuel, because its All of these Flue gas has lower dew point thereby facilitating more waste heat recovery Sulphur content is lower Emissivity factor is higher All of these Flue gas has lower dew point thereby facilitating more waste heat recovery Sulphur content is lower Emissivity factor is higher ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is called "blue gas"? Producer gas Water gas Natural gas Coke oven gas Producer gas Water gas Natural gas Coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Advantages of fluidised bed combustion are Lower furnace operating temperature High heat transfer rate All of these Reduced NOx formation in flue gas Lower furnace operating temperature High heat transfer rate All of these Reduced NOx formation in flue gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A fuel containing carbon and carbon monoxide (but containing no hydrogen or its compounds) is burnt in pure oxygen at constant pressure. Its gross calorific value as compared to net calorific value will be Less More Same Data insufficient; can't be predicted Less More Same Data insufficient; can't be predicted ANSWER DOWNLOAD EXAMIANS APP
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