Actuators Overview Lecture 7
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Questions and Answers

What is the function of an actuator in a machine?

  • To convert mechanical energy into electrical energy
  • To open a valve (correct)
  • To control a hydraulic power system
  • To generate electrical energy
  • Which type of actuator uses compressed air to move a load along a linear path?

  • Electric actuator
  • Magnetic actuator
  • Hydraulic actuator
  • Pneumatic actuator (correct)
  • What type of energy does an electric actuator use to actuate a mechanical system?

  • Compressed air energy
  • Hydraulic energy
  • Electrical energy (correct)
  • Mechanical energy
  • Which type of DC motor uses permanent magnets to create field flux?

    <p>Permanent Magnet DC Motor</p> Signup and view all the answers

    What is one of the advantages of a Permanent Magnet DC Motor?

    <p>Works at a constant speed</p> Signup and view all the answers

    What type of energy does a hydraulic actuator use to facilitate mechanical operation?

    <p>Hydraulic power</p> Signup and view all the answers

    Which type of actuator uses compressed air acting on a piston inside a cylinder to move a load along a linear path?

    <p>Pneumatic actuator</p> Signup and view all the answers

    What is the main advantage of a series DC motor?

    <p>Large amount of starting torque</p> Signup and view all the answers

    Which type of DC motor generates a large amount of starting torque but cannot regulate speed?

    <p>Series DC Motor</p> Signup and view all the answers

    What type of actuator uses electrical energy to actuate a mechanical system using magnetic field?

    <p>Electric actuator</p> Signup and view all the answers

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