Fuels and Combustion Coal containing large quantity of __________ are difficult to wash. Ash Volatile matter Inherent mineral matter Free impurities Ash Volatile matter Inherent mineral matter Free impurities ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Mott and Wheeler test is conducted on coke to find its Reactivity with O₂ Volatile matter content Phosphorus content Abradability Reactivity with O₂ Volatile matter content Phosphorus content Abradability ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion __________ present in coal is not determined in its ultimate analysis. Nitrogen Total carbon Hydrogen Fixed carbon Nitrogen Total carbon Hydrogen Fixed carbon ANSWER DOWNLOAD EXAMIANS APP
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 Increase or decrease depending on the fuel type Decrease Increase Not change Increase or decrease depending on the fuel type Decrease Increase Not change ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increases in carbonisation temperature Tar yield increases Methane percentage in the coke oven gas increases Hydrogen percentage in the coke oven gas decreases Coke even gas yield increases Tar yield increases Methane percentage in the coke oven gas increases Hydrogen percentage in the coke oven gas decreases Coke even gas yield increases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature oxidation of coal during storage does not decrease its Oxygen content Calorific value None of these Caking power Oxygen content Calorific value None of these Caking power ANSWER DOWNLOAD EXAMIANS APP
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