Unit 14: Automatic Control Components and Applications

Objectives


  • After studying this unit, you should be able to
  • discuss space temperature control.
  • describe the mercury control bulb.
  • describe system overshoot and temperature swing.
  • describe the difference between low- and high-voltage controls.
  • identify some commonly used low- and high-voltage controls.
  • name two ways motors are protected from high temperature.
  • describe the difference between a diaphragm and a bellows control.
  • state the uses of pressure-sensitive controls.
  • describe a high-pressure control.
  • describe a low-pressure control.
  • discuss the range and differential of a control.
  • describe pressure transducers.
  • describe a pressure relief valve.
  • describe the functions of mechanical and electromechanical controls.


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