Fuels and Combustion Combustion of pulverised coal compared to the lumpy coal Provides higher thermal efficiency & flame temperature Facilitates combustion with lower excess air Provides better control of furnace temperature All of these Provides higher thermal efficiency & flame temperature Facilitates combustion with lower excess air Provides better control of furnace temperature All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal is heated in presence of air to a temperature of about __________ °C, while determining its ash content for proximate analysis. 950 500 750 1100 950 500 750 1100 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following fuel gases will require maximum amount of air for combustion of 1 Nm³ gas ? Water gas Producer gas Blast furnace gas Natural gas Water gas Producer gas Blast furnace gas Natural gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A sample of natural gas containing 80% methane (CH₄) and rest nitrogen (N₂) is burnt with 20% excess air. With 80% of the combustibles producing CO₂ and the reminder going to CO, the Orsat analysis in volume percent is CO₂ : 6.26, CO : 1.56, O₂ : 3.91, H₂O :15.66, N₂ : 72.60 CO₂ : 7.42, CO : 1.86, O₂ : 4.64, N₂:86.02 CO₂ : 6.39, CO : 1.60, O₂ : 3.99, H₂O:25.96, N₂:72.06 CO₂ : 7.60, CO : 1.90, O₂ : 4.75, N₂ : 85.74 CO₂ : 6.26, CO : 1.56, O₂ : 3.91, H₂O :15.66, N₂ : 72.60 CO₂ : 7.42, CO : 1.86, O₂ : 4.64, N₂:86.02 CO₂ : 6.39, CO : 1.60, O₂ : 3.99, H₂O:25.96, N₂:72.06 CO₂ : 7.60, CO : 1.90, O₂ : 4.75, N₂ : 85.74 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Octane number of 2, 2, 4 - trimethyl pen-tane is More than 100 100 In between 0 and 100 More than 100 100 In between 0 and 100 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Main constituent of the gas produced from a gobar gas plant is CH₄ CO₂ CO H₂ CH₄ CO₂ CO H₂ ANSWER DOWNLOAD EXAMIANS APP
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