Fuels and Combustion Which of the following is a primary fuel? Natural gas Wood charcoal Gasoline Blast furnace coke Natural gas Wood charcoal Gasoline Blast furnace coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During coking of coal, the ash content (percentage) Increases Remains constant Decreases None of these Increases Remains constant Decreases None of these 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 : 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 : 6.26, CO : 1.56, O₂ : 3.91, H₂O :15.66, N₂ : 72.60 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 : 6.39, CO : 1.60, O₂ : 3.99, H₂O:25.96, N₂:72.06 CO₂ : 6.26, CO : 1.56, O₂ : 3.91, H₂O :15.66, N₂ : 72.60 CO₂ : 7.60, CO : 1.90, O₂ : 4.75, N₂ : 85.74 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal with high ash content Has low quantity of mineral matter Is harder and stronger Has higher calorific value Is not subjected to washing Has low quantity of mineral matter Is harder and stronger Has higher calorific value Is not subjected to washing ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Caking coal is desirable for Burning on travelling grate Burning on firebars All of these Coke making Burning on travelling grate Burning on firebars All of these Coke making ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A gaseous fuel in order to develop luminousity on burning, must contain Carbon monoxide Hydrogen Hydrocarbons Oxygen Carbon monoxide Hydrogen Hydrocarbons Oxygen ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS