Railways Technical Ability Vibration Analysis Question Bank Vibration Analysis

  • question_answer To fix the stale point in respect of air-vapour mixtures, three intrinsic properties are needed. Yet, the psychrometric chart requires only two because:

    A) Water vapour is in the superheated state

    B) The chart is for a given pressure

    C) The chart is an approximation to true values

    D) The mixtures can be treated as a perfect gas

    Correct Answer: B

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