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 : 6.39, CO : 1.60, O₂ : 3.99, H₂O:25.96, N₂:72.06 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 : 7.60, CO : 1.90, O₂ : 4.75, N₂ : 85.74 CO₂ : 6.39, CO : 1.60, O₂ : 3.99, H₂O:25.96, N₂:72.06 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 : 7.60, CO : 1.90, O₂ : 4.75, N₂ : 85.74 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Bomb calorimeter is used for the determination of calorific value of the __________ fuels. Liquid Both B and C Solid Gaseous Liquid Both B and C Solid Gaseous ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The temperature at which plastic layer formation takes place during carbonisation of coal varies from __________ °C. 700 to 850 550 to 650 100 to 150 350 to 450 700 to 850 550 to 650 100 to 150 350 to 450 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The lowest temperature, at which a solid fuel produces enough vapors to support continuous combustion, is called Kindling temperature Smoke point Burning temperature Fire point Kindling temperature Smoke point Burning temperature Fire point ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Benzene is used As a motor fuel For making insecticides (e.g., DDT, BHC etc.), detergent & rubber (SBR) As an explosive As a perfume As a motor fuel For making insecticides (e.g., DDT, BHC etc.), detergent & rubber (SBR) As an explosive As a perfume ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following coke has the least percentage of ash? Beehive coke Petroleum coke Metallurgical coke Foundary coke Beehive coke Petroleum coke Metallurgical coke Foundary coke ANSWER DOWNLOAD EXAMIANS APP
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