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Fuels and Combustion

Fuels and Combustion
Blast furnace gas constitutes mainly of

N₂ & CO
N₂ & H₂
N₂ & CH₄
CH₄ & CO₂

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Fuels and Combustion
Optimum preheating temperature for pitch creosote mixture (PCM) which is also termed as C.T.F-200, before atomisation through burners is

200 °R
200 °C
200 °K
200 °F

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

Junkar's
Bomb
Boy's
None of these

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Fuels and Combustion
Desirable "Micum Index" values of metal-lurical coke are

M40 > 4% and M10 < 80%
M40 > 78% and M10 < 10%
M40 > 10% and M10 < 78%
M40 > 98% and M10 < 2%

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Fuels and Combustion
Abel apparatus is used for those oils, whose flash points are___°F.

>280
300-600
>120

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Fuels and Combustion
Presence of phosphorous in metallurgical coal

Badly affects the quality of steel
Increases its caking power
Is not undersirable
Reduces its calorific value

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MORE MCQ ON Fuels and Combustion

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