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Fuels and Combustion

Fuels and Combustion
Percentage of carbon monoxide in blast furnace gas may be around

8
52
14
22

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Fuels and Combustion
Gross heating value of coal is __________ the net heating value.

Higher than
None of these
Lower than
Same as

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Fuels and Combustion
Gross calorific value will be equal to the net calorific value for

C₂H₂
H₂
C₂H₆
CO

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Fuels and Combustion
The shift conversion reaction taking place during water gas manufacture is given by

None of these
C + 2H₂O ⟷ CO₂ + 2H₂
CO + H₂O ⟷ CO₂ + H₂
C + H₂O ⟷ CO + H₂

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Fuels and Combustion
Coke made in narrower by-product coke ovens (as compared to wider ovens) is

Smaller in size
All of these
Stronger
Less reactive

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Fuels and Combustion
Which of the following is a single stage, fixed bed high pressure coal gasification process?

Lurgi Process
Winkler process
None of these
Kopper-Totzek process

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