Fuels and Combustion The maximum adiabatic flame temperature in air as compared to that in pure oxygen is Either lower or higher, depends on the type of fuel Much higher Much lower Same Either lower or higher, depends on the type of fuel Much higher Much lower Same ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Theoretical flame temperature of a fuel is that temperature which is attained, when the fuel is completely burnt 'using theoretical amount of air in Either A or C without gain or loss of heat Either A or B Oxygen Air Either A or C without gain or loss of heat Either A or B Oxygen Air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion L.D. converter gas (produced in steel plant) comprises mainly of CO (upto 65%) & CO₂ CO & O₂ CO₂ & H₂ CO₂ & O₂ CO (upto 65%) & CO₂ CO & O₂ CO₂ & H₂ CO₂ & O₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A certain thickness of the coal, if stored unscientifically on soft (katcha) ground having no metallic/concrete flooring gets sunked into the ground, which is termed as the 'carpet loss'. The carpet loss may be of the order of __________ cms. 3 to 4 1 to 2 5 to 15 20 to 40 3 to 4 1 to 2 5 to 15 20 to 40 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Sometimes water is sprayed during coal charging in the coke oven, which helps in Prevention of clinker formation in the oven Controlling the dust nuisance while charging the coal All of these Reducing the cracking of hydrocarbons in the gas and increasing the percentage of CO & H₂ in the gas (due to the endothermic reaction represented by C + H₂O = CO + H₂) Prevention of clinker formation in the oven Controlling the dust nuisance while charging the coal All of these Reducing the cracking of hydrocarbons in the gas and increasing the percentage of CO & H₂ in the gas (due to the endothermic reaction represented by C + H₂O = CO + H₂) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion For every 10% increase in the excess air; the fuel consumption increases by __________ percent. 5 2 10 0.1 5 2 10 0.1 ANSWER DOWNLOAD EXAMIANS APP
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