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Fuels and Combustion

Fuels and Combustion
If CO₂ is not fully absorbed by the KOH solution meant for its absorption in the orsat apparatus, it will appear as

SO₂
CO
N₂
O₂

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Fuels and Combustion
Calorific value of coal middling generated in coal washeries during washing of coal may be around __________ Kcal/kg.

8000
4000
6000
1000

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Fuels and Combustion
Calorific values of both the solid as well as the liquid fuels can be determined by __________ calorimeter.

None of these
Junkar's
Bomb
Boy's

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Fuels and Combustion
By-products recovery process from coal carbonisation is termed as direct, indirect and semi direct process depending upon the method of recovery of

Tar
Ammonia
None of these
Benzol

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Fuels and Combustion
Blast furnace gas is a very poisonous gas because of its predominantly high __________ content.

CO₂
CO
CH₄
H₂O

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Fuels and Combustion
Which of the following is a measure of the agglutinating (i.e., binding) property of coal?

Caking index
Thickness of plastic layer
Swelling index
Gray-king index

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