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Fuels and Combustion

Fuels and Combustion
Producer gas comprises mainly of

CO & H₂
CO & N₂
CO₂ & H₂
CO₂ & N₂

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Fuels and Combustion
For long flame and easy ignition, the coal used should have

High calorific value
High volatile matter
Low ash
High ash

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Fuels and Combustion
Washing of coal is done to reduce the

Adhering impurities
Both B and C
Mineral matter
Inherent impurities

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Fuels and Combustion
Moisture loss is determined by the

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

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Fuels and Combustion
Presence of __________ in a dry gaseous fuel does not contribute to its calorific value.

Carbon
Oxygen
Hydrogen
Sulphur

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Fuels and Combustion
Percentage of methane in coke oven gas may be around

15
5
25
50

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