Pressure Measurement Techniques and Instruments Quiz
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Questions and Answers

Which instrument is used to measure pressures lower than the ambient atmospheric pressure?

  • Vacuum gauge (correct)
  • Manometer
  • Thermometer
  • Barometer
  • What is the unit of measurement for pressure?

  • Joule
  • Newton
  • Pascal (correct)
  • Watt
  • What is the zero point for a vacuum gauge when measuring pressures lower than atmospheric pressure?

  • Total vacuum (correct)
  • 760 mmHg
  • 1 bar
  • Ambient atmospheric pressure
  • What is the widely used mechanical device for measuring and indicating pressure?

    <p>Bourdon gauge</p> Signup and view all the answers

    What type of reading is simply referred to as 'gauge pressure'?

    <p>Pressure relative to atmospheric pressure</p> Signup and view all the answers

    What is typically measured in units of force per unit of surface area?

    <p>Pressure</p> Signup and view all the answers

    Which gauge is used to measure pressures lower than the ambient atmospheric pressure?

    <p>Vacuum gauge</p> Signup and view all the answers

    What is the zero point for a vacuum gauge when measuring pressures lower than atmospheric pressure?

    <p>Ambient atmospheric pressure</p> Signup and view all the answers

    What form of reading is simply referred to as 'gauge pressure'?

    <p>Pressure relative to atmospheric pressure</p> Signup and view all the answers

    What is a vacuum gauge used to measure?

    <p>Pressures lower than atmospheric pressure</p> Signup and view all the answers

    Study Notes

    Pressure Measurement Instruments

    • A vacuum gauge specifically measures pressures lower than ambient atmospheric pressure.
    • Gauge pressure is the reading of pressure relative to atmospheric pressure.
    • A pressure gauge is a widely used mechanical device for measuring and indicating pressure.

    Units and Measurements

    • Pressure is commonly measured in units of force per unit of surface area, for example, pascals (Pa) or pounds per square inch (psi).
    • The zero point for a vacuum gauge indicates a complete vacuum, which is lower than atmospheric pressure.

    Application of Gauges

    • Vacuum gauges are utilized to measure the level of vacuum, which refers to pressures significantly below atmospheric levels.
    • Gauge pressure readings do not account for atmospheric pressure, displaying only the pressure differential.

    Summary of Gauge Types

    • Important to differentiate between vacuum gauges for measuring low pressures and standard pressure gauges for standard atmospheric measurements.

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    Description

    Test your knowledge of pressure measurement techniques and instruments with this quiz. Explore various methods for measuring pressure and vacuum, and learn about the use of pressure gauges, vacuum gauges, and compound gauges.

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