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Fuels and Combustion

Fuels and Combustion
Which of the following is a poisonous fuel gas?

None of these
Coke oven gas
Blast furnace gas
Natural gas

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Fuels and Combustion
Which of the following is not a micro component present in coal?

Clarain
Fusinite
Micrinite
Liptinite

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Fuels and Combustion
Yield of coke oven gas in low temperature carbonisation of coal is about __________ Nm³ /ton of dry coal.

750
500
160
60

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Fuels and Combustion
Moisture loss is determined by the

Both A and B
Moisture content of fuel
Humidity of combustion air
The water formed by combustion reaction

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Fuels and Combustion
With increase in C/H ratio of a fuel, the amount of CO₂ formed on its complete combustion

Either A or B, depends on other factors
Increases
Decreases
Remains same

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Fuels and Combustion
A sooty flame can be made non-luminous by

Admitting more gas
Admitting more air
Shutting gas supply
Shutting air supply

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