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Fuels and Combustion

Fuels and Combustion
Calorific value of of blast furnace gas is around __________ KCal/Nm³.

1800
6500
850
4200

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Fuels and Combustion
Main constituent of natural gas is

C₃H₈
C₂H₆
CH₄ (upto 90%)
H₂

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Fuels and Combustion
Which of the following is a primary fuel?

Gasoline
Natural gas
Wood charcoal
Blast furnace coke

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

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

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Fuels and Combustion
Pensky-Marten apparatus is used for those oils, whose flash points are __________ °F.

>120
90-110

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Fuels and Combustion
The gas which contributes maximum to the heating value of natural gas is

CH₄
CO
CO₂
H₂

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