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Power Plant Engineering

Power Plant Engineering
Plutonium (Pu239) is produced

As basic raw material
By fission of Th232
When U238 is irradiated by neutrons
Artificially

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Power Plant Engineering
The percentage of carbon in bituminous coal is in the order of

30-50%
20-40%
65-80%
50-65%

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Power Plant Engineering
Hydrogen is preferred as better coolant in comparison to CO₂ because former

Is inert
Is a good conductor
Is lighter
Has high specific heat

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Power Plant Engineering
fission chain reaction in uranium can be developed by

Absorbing all neutrons
Accelerating fast neutrons
Using moderator
Slowing down fast neutrons so that Uz fission continues by slow motion neutrons

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Power Plant Engineering
Which one of the following is NOT an accessory for the boiler ?

Condenser
Economizer
Feed water pump
Air Preheater

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Power Plant Engineering
Which of the following can be used as a coolant in nuclear plant?

Carbon dioxide
Freon
Molten lead
Light or heavy water

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