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Fuels and Combustion

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 °C
200 °F
200 °K
200 °R

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Fuels and Combustion
Coal tar (produced by high temperature carbonisation) is the main source of

Olefins
Aromatic compounds
Paraffins
Alphatic compounds

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Fuels and Combustion
Eschka mixture, which is used for the determination of sulphur in coal, is a mixture of

MgSO₄ & BaCl₂
MgCO₃ & NaCl
BaSO₄ & NaCl
MgO & Na₂CO₃

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Fuels and Combustion
Flue gas from the heating chamber of byproduct coke ovens is removed by

Steam ejector
Natural draft
Forced draft fan
Induced draft fan

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

8000
4000
1000
15000

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Fuels and Combustion
Calorific value of tar is about __________ Kcal/kg.

12000
16000
8800
5000

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