Q. When bypass valve is opened to

  • (A) increase pressure
  • (B) increase unit speed
  • (C) increase unit power
  • (D) increase the amount of fresh steam
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✅ Correct Answer: (D) increase the amount of fresh steam
Explanation: when a by pass valve is opened, a fresh steam is introduced into the turbine, thereby increasing the amount of fresh steam. the main purpose of by pass governing is taken into full action when the turbine is overloaded for short durations.

Published by Mr. Dubey ⭐ 109.99K Points at 19-Sep-2023 08:24 pm in Fluid Mechanics and Machinery

Explanation by: Mr. Dubey
when a by pass valve is opened, a fresh steam is introduced into the turbine, thereby increasing the amount of fresh steam. the main purpose of by pass governing is taken into full action when the turbine is overloaded for short durations.

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