Introduction: Sensing & Actuation PT EL
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Questions and Answers

What is a transducer in the context of sensors and actuators?

  • A device that amplifies physical signals
  • A device that converts electrical signals into physical signals
  • A device that stores and processes data
  • A device that converts a signal from one physical form to another (correct)

    • What is the primary function of a sensor?

  • To process and store data
  • To convert a signal from one physical form to another
  • To convert electrical signals into physical signals
  • To sense or feel physical changes in a system (correct)

    • Which of the following is not a characteristic of a sensor?

  • Amplification (correct)
  • Accuracy
  • Range
  • Reproducibility

    • Which of the following is not a type of sensor?

    <p>Data processing sensor</p> Signup and view all the answers

    What is the definition of a sensor?

    <p>A device that senses or feels physical changes in a system</p> Signup and view all the answers

    Which sensor characteristic represents the correctness of the output compared to a superior system?

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

    What is the primary function of a sensor?

    <p>To convert one form of energy into another</p> Signup and view all the answers

    Which of the following is NOT a characteristic of sensors?

    <p>Memory capacity</p> Signup and view all the answers

    Which of the following is a type of sensor?

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

    What is a transducer?

    <p>A device that converts one form of energy into another</p> Signup and view all the answers

    Which of the following is NOT a type of sensor?

    <p>Sound processor</p> Signup and view all the answers

    What is the definition of a sensor?

    <p>A device that converts one form of energy into another</p> Signup and view all the answers

    What does sensitivity in a sensor indicate?

    <p>The ratio of incremental change in the response of the system with respect to incremental change in input parameter</p> Signup and view all the answers

    What is linearity in a sensor?

    <p>The deviation of sensor value curve from a particular straight line</p> Signup and view all the answers

    What is drift in a sensor?

    <p>The deviation between measurements in a sequence under same conditions</p> Signup and view all the answers

    What is a passive sensor?

    <p>A sensor that cannot independently sense the input</p> Signup and view all the answers

    What is an active sensor?

    <p>A sensor that can independently sense the input</p> Signup and view all the answers

    What is a scalar sensor?

    <p>A sensor that detects the input parameter based on its magnitude</p> Signup and view all the answers

    What is a vector sensor?

    <p>A sensor that detects the input parameter based on its magnitude and direction</p> Signup and view all the answers

    What is an electric linear actuator?

    <p>A device that converts electrical energy into linear displacement</p> Signup and view all the answers

    What is an electric rotary actuator?

    <p>A device that converts electrical energy into rotational motion</p> Signup and view all the answers

    What is an actuator?

    <p>A device that converts electrical energy into mechanical energy</p> Signup and view all the answers

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