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Fuels and Combustion

Fuels and Combustion
Fuel for a fast breeder nuclear reactor is

Uranium
Radium
Plutonium
Neptunium

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Fuels and Combustion
In general, the limit of inflammability/explosion limit of fuel gases is widened by the

Increase in gas pressure
Use of pure oxygen for combustion instead of air
All of these
Increase in temperature (i.e. preheating)

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Fuels and Combustion
Which of the following is not a binder for coal briquetting?

Coal tar
Molasses
None of these
Bitumen

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

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

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Fuels and Combustion
Highly caking coals

May damage the coke oven walls during carbonisation
Produce weak coke
Both B and C
Produce strong coke

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Fuels and Combustion
In Orsat's apparatus, ammoniacal cuprous chloride is used for selectivity absorbing

O₂
CO
CO₂
H₂O

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