Nuclear Power Engineering
Pressure in a Pressurised Water Reactor (PWR) is used for

Pressurising the water in the primary coolant circuit
Maintaining constant pressure in the primary cooling circuit under varying loads
None of these
Superheating the steam

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Nuclear Power Engineering
In a pressurised water reactor (PWR), the

Fuel is natural uranium and heavy water acts both as moderator & coolant
Coolant water is pressurised to prevent bulk boiling of water in the core
Coolant water boils in the core of the reactor
Use of moderator is not required

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