Ultrasonic Basics & Elements Of Expected Error

15 Questions | Total Attempts: 87

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Ultrasonic Basics & Elements Of Expected Error

To Better understand ultrasonics and how to apply them. Please click on the recordings link below to watch the webinar, this webinar is approximately 35 minutes in length. Then procede to the 15 question quiz. • June 13, 2011 (3 MB) Recording


Questions and Answers
  • 1. 
    Which of the following is true?
    • A. 

      A photoelectric uses an L.E.D. to emit light & an ultrasonic sensor has a Transducer to product sound waves

    • B. 

      Ultrasonic sensors are available with both discrete and analog outputs

    • C. 

      Banner has an excellent selection of ultrasonic sensors to choose from

    • D. 

      All of the above

  • 2. 
    What is considered the dead zone of an ultrasonic sensor?
    • A. 

      The sensing distance beyond the sensors capabilities

    • B. 

      The area directly behind the ultrasonic sensor

    • C. 

      The distance from the face of the transducer to where the sensor will reliable detect a target

    • D. 

      None of the above

  • 3. 
    What type of applications should you consider an ultrasonic sensor?
    • A. 

      Tank level applications including pump control

    • B. 

      Web and loop control

    • C. 

      Roll diameter

    • D. 

      Clear objects

    • E. 

      All of the above

  • 4. 
    When applying ultrasonic sensors you should always determine if the target will reflect sound waves back to the sensor.
    • A. 

      True

    • B. 

      False

  • 5. 
    All ultrasonic sensors are considered (time of flight) technology.
    • A. 

      True

    • B. 

      False

  • 6. 
    Ultrasonic sensor are more sensitive to temperature changes then photoelectric sensors.
    • A. 

      True

    • B. 

      False

  • 7. 
    Which of the following can have an effect on the performance on an ultrasonic sensor?
    • A. 

      Wind

    • B. 

      Temperature

    • C. 

      Humidity

    • D. 

      All of the above

  • 8. 
    What is meant by the term resolution?
    • A. 

      The deviation of the analog output.

    • B. 

      Visual clarity of the target being sensed

    • C. 

      A measure of the smallest change that can be sensed by a device

    • D. 

      All of the above

  • 9. 
    What factors can effect resolution of an ultrasonic sensor?
    • A. 

      Target conditions

    • B. 

      Response time of the ultrasonic sensor

    • C. 

      External or environmental conditions

    • D. 

      All of the above

  • 10. 
    Outdoor applications are recommended for ultrasonic sensors?
    • A. 

      True

    • B. 

      False

  • 11. 
    There is an ultrasonic sensor that would work excellent for a wash down environment.
    • A. 

      True

    • B. 

      False

  • 12. 
    Which item below would be the biggest weakness for an ultrasonic sensor?
    • A. 

      Smooth surface

    • B. 

      A vacuum

    • C. 

      Shiny surface

    • D. 

      None of the above

  • 13. 
    What does the total error consist of?
    • A. 

      Resolution

    • B. 

      Linearity

    • C. 

      Temperature effect

    • D. 

      All of the above

  • 14. 
    Ultrasonsic sensors are color dependent.
    • A. 

      True

    • B. 

      False

  • 15. 
    What is the longest range ultrasonic sensor Banner has to offer?
    • A. 

      Q45U Series

    • B. 

      T30 Series

    • C. 

      QT50 Series

    • D. 

      QS18 Series

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