Fuels and Combustion For the case of a fuel gas undergoing combustion with air, if the air/fuel ratio is increased, the adiabatic flame temperature will Decrease Increase Increase or decrease depending on the fuel type Not change Decrease Increase Increase or decrease depending on the fuel type Not change ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Preheating of __________ the flame temperature. The gaseous fuel before combustion decreases Either the fuel or the air does not affect Either the fuel or the air or both, increases Combustion air decreases The gaseous fuel before combustion decreases Either the fuel or the air does not affect Either the fuel or the air or both, increases Combustion air decreases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is a primary fuel? Wood charcoal Natural gas Blast furnace coke Gasoline Wood charcoal Natural gas Blast furnace coke Gasoline ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gas yield in the Kopper-Totzek coal gasifier is about __________ Nm³/ton coal (ash = 35%). 150 5000 3500 1500 150 5000 3500 1500 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal containing high amount of volatile matter will have Low ignition temperature High fusion point of its ash Very little ash content Low adiabatic flame temperature Low ignition temperature High fusion point of its ash Very little ash content Low adiabatic flame temperature ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Deficiency of combustion air during combustion of a gaseous fuel Lengthens the flame Causes heat loss of fuel by its partial combustion Both A & B Shortens the flame Lengthens the flame Causes heat loss of fuel by its partial combustion Both A & B Shortens the flame ANSWER DOWNLOAD EXAMIANS APP
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