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Question
What happens to the unused steam in a boiling water reactor plant?
उबलते पानी वाले रिएक्टर संयंत्र में अप्रयुक्त भाप का क्या होता है?
A.
It moves through the core absorbing heat
B.
It is sent to the steam line
C.
It is sent to the main turbine
D.
It is condensed into water
Answer ( Option D)

It is condensed into water

Solution

  • The unused steam in a boiling water reactor plant is condensed into water, allowing for efficient recycling within the system.
  • In a BWR, water is heated in the reactor core to form steam.
  • This steam is then used to drive a turbine to generate electricity.
  • Not all steam generated in the reactor is used immediately for electricity generation. 
  • Unused steam can occur due to varying demand for power.
  • The unused steam is typically routed to a condenser where it is cooled and condensed back into water. 
  • This process allows the water to be recycled back into the reactor or the feedwater system, maintaining the efficiency and sustainability of the water supply in the system.
  • Condensing unused steam helps maintain pressure and temperature in the reactor and ensures that water is available for reheating and steam generation when needed.

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