Control Valve Flow Characteristics

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Control Valve Flow Characteristics

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Questions and Answers
  • 1. 
    The three most common types of flow characteristics are:
    • A. 

      Linear, Graphical, Random

    • B. 

      Equal Percentage, Un-equal percentage, Quick opening

    • C. 

      Non-linear, Equal percentage, Fast opening

    • D. 

      Linear, Equal percentage, Quick opening

  • 2. 
    What type of characteristic might be best used for liquid level or flow loops?
    • A. 

      Equal Percentage

    • B. 

      Linear

    • C. 

      Quick opening

  • 3. 
    A typical application of an equal percentage characteristic might be:
    • A. 

      Temperature and pressure control

    • B. 

      Liquid level control

    • C. 

      Frequent on/off service

    • D. 

      DeviceNet control

  • 4. 
    The type 86(7)92/86(7)93 features a transfer element which implements 3 different characteristics.
    • A. 

      True

    • B. 

      False

  • 5. 
    It is not possible to customize a characteristic.
    • A. 

      True

    • B. 

      False

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