Fuels and Combustion Which of the following is not increased by using preheated combustion air in place of ordinary air at room temperature? Heat transfer rate to the stock in the furnace Flame temperature achieved Calorific value of the fuel Speed of combustion of fuel Heat transfer rate to the stock in the furnace Flame temperature achieved Calorific value of the fuel Speed of combustion of fuel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Flue gas from the heating chamber of byproduct coke ovens is removed by Induced draft fan Steam ejector Forced draft fan Natural draft Induced draft fan Steam ejector Forced draft fan Natural draft ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion While the first commercial low temperature coal carbonisation plant is located at Neyveli (in Chennai), the second such plant has been built at Dankuni (West Bengal) Singreni (AP.) Dhanbad Raniganj Dankuni (West Bengal) Singreni (AP.) Dhanbad Raniganj ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Initial pressure of oxygen introduced into the 'bomb' of the bomb calorimeter for determination of calorific value of coal/fuel oil may be around __________ atm. 95-100 60-65 25-30 3-5 95-100 60-65 25-30 3-5 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Stoichiometric combustion of 12 kg of carbon requires __________ of oxygen. All of these 1kg mole 32 kg 22.4 Nm³ All of these 1kg mole 32 kg 22.4 Nm³ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High sulphur content in a fuel __________ of the flue gases. Increases the dew point Both B & C Decreases the dew point Reduces the combustion efficiency by limiting the permissible temperature reduction Increases the dew point Both B & C Decreases the dew point Reduces the combustion efficiency by limiting the permissible temperature reduction ANSWER DOWNLOAD EXAMIANS APP
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