2. Questions Bank
  3. Railways
  4. NTPC (Technical Ability)
  5. Refrigeration and Air-Conditioning

Railways NTPC (Technical Ability) Refrigeration and Air-Conditioning Question Bank Refrigeration and Air-Conditioning

  • question_answer
    A single-stage vapour compression refrigeration system cannot be used to produce ultralow temperatures because:

    A) Refrigerants for ultra-low temperatures are not available

    B) lunbricants for ultra-low temperatures are not available

    C) Volumetric efficiency will decrease consider- ably

    D) Heat leakage into the system will be excessive

    Correct Answer: A

You need to login to perform this action.
You will be redirected in 3 sec spinner