Fuels and Combustion Preheating of __________ the flame temperature. Combustion air decreases Either the fuel or the air does not affect The gaseous fuel before combustion decreases Either the fuel or the air or both, increases Combustion air decreases Either the fuel or the air does not affect The gaseous fuel before combustion decreases Either the fuel or the air or both, increases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following has the highest heat of combustion? CO CH₄ H₂ C₂H₆ CO CH₄ H₂ C₂H₆ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Lurgi gasifier (high pressure gasifier) as compared to Kopper Totzek gasifier (atmospheric pressure gasifier) produces Both A & B Higher amount of both methane and hydrogen Higher amount of methane Lower amount of hydrogen Both A & B Higher amount of both methane and hydrogen Higher amount of methane Lower amount of hydrogen ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion About __________ Nm³ of air will be required for the complete combustion of 2Nm³ of CO. 5 1 2 3 5 1 2 3 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Tolerable concentration of toxic carbon monoxide in atmospheric air is about __________ PPm. 10000 5000 50 1000 10000 5000 50 1000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Preheating of combustion air is done to Reduce its requirement for effecting the complete combustion Complete the combustion of fuel Increase the adiabatic flame temperature Increase the calorific value of the fuel Reduce its requirement for effecting the complete combustion Complete the combustion of fuel Increase the adiabatic flame temperature Increase the calorific value of the fuel ANSWER DOWNLOAD EXAMIANS APP
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