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 : 7.60, CO : 1.90, O₂ : 4.75, N₂ : 85.74 CO₂ : 7.42, CO : 1.86, O₂ : 4.64, N₂:86.02 CO₂ : 6.26, CO : 1.56, O₂ : 3.91, H₂O :15.66, N₂ : 72.60 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 : 7.42, CO : 1.86, O₂ : 4.64, N₂:86.02 CO₂ : 6.26, CO : 1.56, O₂ : 3.91, H₂O :15.66, N₂ : 72.60 CO₂ : 6.39, CO : 1.60, O₂ : 3.99, H₂O:25.96, N₂:72.06 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Softening temperature of coal ash is a measure of the __________ of coal. Clinkering tendency Size stability Coking tendency Caking tendency Clinkering tendency Size stability Coking tendency Caking tendency ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The maximum adiabatic flame temperature is attained, when the fuel is burnt with More than theoretically required amount of air Theoretically required amount of air Less than theoretically required amount of air Theoretically required amount of oxygen More than theoretically required amount of air Theoretically required amount of air Less than theoretically required amount of air Theoretically required amount of oxygen ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Dry air required to burn 1 kg of carbon completely may be around __________ kg. 2 11 20 38 2 11 20 38 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. 500 950 1100 750 500 950 1100 750 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In Orsat's apparatus, ammoniacal cuprous chloride is used for selectivity absorbing CO₂ H₂O O₂ CO CO₂ H₂O O₂ CO ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS