Fuels and Combustion Oxygen required for theoretically complete combustion of 1 Nm³ methane is __________ Nm³. 2 6 4 1 2 6 4 1 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion For long flame and easy ignition, the coal used should have High ash High volatile matter Low ash High calorific value High ash High volatile matter Low ash High calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ratio of primary air to secondary air increases with increase in the rank of coal, because the High rank coals have higher amount of volatile matter Ratio of fixed carbon to volatile matter increases Calorific value of the coal increases Oxygen content progressively decreases High rank coals have higher amount of volatile matter Ratio of fixed carbon to volatile matter increases Calorific value of the coal increases Oxygen content progressively decreases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is a measure of the agglutinating (i.e., binding) property of coal? Gray-king index Caking index Swelling index Thickness of plastic layer Gray-king index Caking index Swelling index Thickness of plastic layer ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Yield of charcoal in high temperature carbonisation of wood is about __________ percent. 25 10 50 75 25 10 50 75 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The main drawback of supplying more excess air in the combustion of fuel is the Enhanced sensible heat loss in the flue gas Intermittant and uncontrolled combustion of the fuel Excessive power requirement of air blower High exit flue gas temperature from the furnace Enhanced sensible heat loss in the flue gas Intermittant and uncontrolled combustion of the fuel Excessive power requirement of air blower High exit flue gas temperature from the furnace ANSWER DOWNLOAD EXAMIANS APP
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