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Fuels and Combustion

Fuels and Combustion
During its calorific value determination by bomb calorimeter, coal is combusted by

Oxygen
Air
None of these
Oxygen enriched air

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Fuels and Combustion
Calorific value of dry wood may be around __________ Kcal/kg.

5
50
500
5000

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Fuels and Combustion
Which of the following is not endothermic?

Reforming
Gasification
Cracking
Partial oxidation

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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

N₂
CO
O₂
SO₂

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Fuels and Combustion
Catalyst used in Fischer-Tropsch process is

Zinc oxide
Thorium oxide
Alumina
Nickel

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Fuels and Combustion
For the case of a fuel gas undergoing combustion with air, if the air/fuel ratio is increased, the adiabatic flame temperature will

Increase
Decrease
Increase or decrease depending on the fuel type
Not change

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