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Fuels and Combustion

Fuels and Combustion
Caking index of a coal is a measure of its

Agglutinating (binding) properties
Reactivity
Abradability
Porosity

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Fuels and Combustion
Calorific value of dry wood may be around __________ Kcal/kg.

5000
500
50
5

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

Low ash
High volatile matter
High ash
High calorific value

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Fuels and Combustion
Gray-King Assay and Roga Index of coal is a measure of its

Weathering properties
Caking and swelling properties
Abradability
Grindability

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Fuels and Combustion
Largest constituent of coke oven gas is

N₂
CO₂
CH₄
H₂

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Fuels and Combustion
Presence of force moisture in coal is most disadvantageous during its

Transportation and handling
Washing
Pulverisation
Storage

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