Fuels and Combustion Calorific value of of blast furnace gas is around __________ KCal/Nm³. 4200 850 6500 1800 4200 850 6500 1800 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion If the specific heat of gaseous products of combustion of a fuel is high, the abiabatic flame temperature will be Very high, if the fuel is of low calorific value High Low None of these Very high, if the fuel is of low calorific value High Low None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ratio of primary air to secondary air increases with increase in the rank of coal, because the Ratio of fixed carbon to volatile matter increases Oxygen content progressively decreases Calorific value of the coal increases High rank coals have higher amount of volatile matter Ratio of fixed carbon to volatile matter increases Oxygen content progressively decreases Calorific value of the coal increases High rank coals have higher amount of volatile matter ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Stoichiometric combustion of 12 kg of carbon requires __________ of oxygen. 32 kg 1kg mole 22.4 Nm³ All of these 32 kg 1kg mole 22.4 Nm³ All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Too much of excess air in combustion results in high Percentage of oxygen in flue gases Stack gas temperature Fuel consumption for the same heat load All of these Percentage of oxygen in flue gases Stack gas temperature Fuel consumption for the same heat load All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is a lean fuel gas? Coke oven gas Blast furnace gas Natural gas LPG Coke oven gas Blast furnace gas Natural gas LPG ANSWER DOWNLOAD EXAMIANS APP
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