Fuels and Combustion Too much of excess air in combustion results in high Fuel consumption for the same heat load Percentage of oxygen in flue gases Stack gas temperature All of these Fuel consumption for the same heat load Percentage of oxygen in flue gases Stack gas temperature All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Correct viscosity of furnace oil at the burner tip for proper atomisation is about 25 centistokes. To reduce the viscosity of high viscosity furnace oil (250 centistokes) to the correct atomisation viscosity (i.e. 25 cst), it should be preheated to about____°C. 105 70 85 145 105 70 85 145 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Moisture loss is determined by the Humidity of combustion air Both A and B Moisture content of fuel The water formed by combustion reaction Humidity of combustion air Both A and B Moisture content of fuel The water formed by combustion reaction ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Bomb calorimeter is used to determine the (where, GCV - Gross Calorific Value. NCV - Net Calorific Value.) GCV at constant pressure NCV at constant volume GCV at constant volume NCV at constant pressure GCV at constant pressure NCV at constant volume GCV at constant volume NCV at constant pressure ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Dry air requirement for burning 1 Nm³ of CO to CO₂ may be around __________ Nm³. 1.75 0.87 2.4 11.4 1.75 0.87 2.4 11.4 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value as determined by bomb calorimeter is the Higher calorific value at constant volume Gross calorific value at constant pressure Lower calorific value at constant pressure Net calorific value at constant volume Higher calorific value at constant volume Gross calorific value at constant pressure Lower calorific value at constant pressure Net calorific value at constant volume ANSWER DOWNLOAD EXAMIANS APP
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