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 Not change Increase Increase or decrease depending on the fuel type Decrease Not change Increase Increase or decrease depending on the fuel type ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Higher fuel combustion efficiency can not be achieved by Adopting proper fuel firing technique & fuel preparation Preheating of fuel gases & combustion air Reducing sulphur content in the fuel Supplying correct amount of combustion air Adopting proper fuel firing technique & fuel preparation Preheating of fuel gases & combustion air Reducing sulphur content in the fuel Supplying correct amount of combustion air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Eschka mixture, which is used for the determination of sulphur in coal, is a mixture of MgSO₄ & BaCl₂ MgCO₃ & NaCl BaSO₄ & NaCl MgO & Na₂CO₃ MgSO₄ & BaCl₂ MgCO₃ & NaCl BaSO₄ & NaCl MgO & Na₂CO₃ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The internal energy of the combustion products is __________ compared to that of reactants. More or less ; (depends on the state of fuel.) Equal More Less More or less ; (depends on the state of fuel.) Equal More Less ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The heat of combustion of a fuel Is always negative Is always positive Can't be known without calculating it Is equal to the heat of formation Is always negative Is always positive Can't be known without calculating it Is equal to the heat of formation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Quantity of coke oven gas produced by high temperature carbonisation of one ton of dry coal may be around __________ Nm³. 30 3000 30, 000 300 30 3000 30, 000 300 ANSWER DOWNLOAD EXAMIANS APP
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