Fuels and Combustion Which of the following fuel gases is heavier than air? Blast furnace gas Water gas Coke oven gas Natural gas Blast furnace gas Water gas Coke oven gas Natural gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following will be unsuitable for dust cleaning from flue gas at 400°C from a pulverised coal fired boiler ? Bag filter Multicyclones Wet scrubber Hydrocyclones Bag filter Multicyclones Wet scrubber Hydrocyclones ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fixed carbon in coal is defined as Hundred minus the percentage of volatile matter, ash and moisture That present in volatile matters The one which is present in the residue after combustion The total quantity of carbon present in the coal Hundred minus the percentage of volatile matter, ash and moisture That present in volatile matters The one which is present in the residue after combustion The total quantity of carbon present in the coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Deficiency of combustion air during combustion of a gaseous fuel Both A & B Causes heat loss of fuel by its partial combustion Shortens the flame Lengthens the flame Both A & B Causes heat loss of fuel by its partial combustion Shortens the flame Lengthens the flame ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature oxidation of coal resulting from bad storage conditions does not decrease its Oxygen content Caking power Calorific value Hydrogen content Oxygen content Caking power Calorific value Hydrogen content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion White flue gas (resembling steam) coming out of the chimney of a thermal power plant indicates that the fuel used in the boiler furnace is Pulverised coke Coke oven gas Pitch Tar Pulverised coke Coke oven gas Pitch Tar ANSWER DOWNLOAD EXAMIANS APP
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