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Fuels and Combustion

Fuels and Combustion
The cuprous chloride used in orsat apparatus can absorb

Both CO and CO₂
Both CO and O₂
Only CO
All of these

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Fuels and Combustion
Which of the following is not endothermic?

Cracking
Partial oxidation
Reforming
Gasification

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Fuels and Combustion
C.V. (kcal/Nm³) of gaseous fuels __________ with increase in molecular weight.

Increases
Remains constant
May increase or decrease, depends on combustibles
Decreases

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Fuels and Combustion
The calorific value of 'LPG' (50% propane + 50% butane) is about __________ kcal/Nm³.

25, 000
5000
10, 000
15, 000

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Fuels and Combustion
Preheating of a gaseous fuel results in increased

Ignition temperature
Quantity of flue gas
Flame length
Flame temperature

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Fuels and Combustion
Which of the following gaseous fuels has the highest net calorific value (kcal/Nm³)?

Natural gas
Producer gas
Carburetted water gas
Liquified petroleum gas

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