Fuels and Combustion The maximum adiabatic flame temperature in air as compared to that in pure oxygen is Same 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 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 A coal with high ash content Has higher calorific value Has low quantity of mineral matter Is not subjected to washing Is harder and stronger Has higher calorific value Has low quantity of mineral matter Is not subjected to washing Is harder and stronger ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Width of the coke oven towards coke side is slightly more than that on pusher side to None of these Increase the output of the coke Facilitate uniform heating of the oven Facilitate easy discharging of coke as it swells during carbonisation None of these Increase the output of the coke Facilitate uniform heating of the oven Facilitate easy discharging of coke as it swells during carbonisation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A liquid/gaseous fuel containing hydrocarbons and high amount of sulphur is burnt with 40% excess air. The flue gas still contains large amount of carbon monoxide. This may be due to the High sulphur content in the fuel Lack of thorough mixing of fuel with air Presence of large quantity of hydrogen in the fuel Low calorific value of the fuel High sulphur content in the fuel Lack of thorough mixing of fuel with air Presence of large quantity of hydrogen in the fuel Low calorific value of the fuel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High temperature in gasification of coal favours High production of CO₂ Low production of CO₂ High production of CO Both B and C High production of CO₂ Low production of CO₂ High production of CO Both B and C ANSWER DOWNLOAD EXAMIANS APP
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