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Fuels and Combustion

Fuels and Combustion
The ratio of maximum adiabatic flame temperature in air to that in pure oxygen is always

1
Unpredicatable
> 1

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Fuels and Combustion
Out of the following, which is the most important parameter for the blast furnace grade coke?

Ash content
CSR & CRI
Moisture content
Volatile matter content

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

Clarain
Micrinite
Liptinite
Fusinite

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Fuels and Combustion
A coal containing high amount of volatile matter will have

Low adiabatic flame temperature
Low ignition temperature
High fusion point of its ash
Very little ash content

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Fuels and Combustion
Abrasion index of blast furnace coke should be around __________ percent.

20
80
55
35

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Fuels and Combustion
Calorific value of a typical dry anthracite coal may be around __________ Kcal/kg.

4000
15000
8000
1000

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