Automation and Sensors in Machine Design Introduction
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Questions and Answers

What is the primary purpose of automation in machine design according to the text?

  • To decrease efficiency and reliability
  • To reduce productivity and increase fatigue
  • To increase manual labor and human error
  • To enhance efficiency, safety, and reliability (correct)

Which statement best describes the role of sensors in automation?

  • Sensors are used for fatigue management in automation
  • Sensors collect data for informed decisions in automated systems (correct)
  • Sensors have no role in automation
  • Sensors only measure human errors

Why is precision particularly important in industries like aerospace and medical devices?

  • Because precision increases manual labor
  • Because precision is not crucial in these industries
  • Because precision leads to reduced productivity
  • Because small errors can have significant consequences (correct)

What is a key advantage of automated machines working 24/7 without fatigue?

<p>Minimized human error (D)</p> Signup and view all the answers

How do sensors contribute to the automation of tasks performed by machines?

<p>By monitoring machine conditions and task progress (B)</p> Signup and view all the answers

What is the primary purpose of sensor technology in machine design?

<p>To provide feedback to the system and enable it to adjust its actions (C)</p> Signup and view all the answers

Which type of sensor is best suited for operating in a harsh environment?

<p>Limit switches (B)</p> Signup and view all the answers

What is the key difference between inductive and capacitive sensors?

<p>Inductive sensors use a coil to generate an electromagnetic field and detect metal objects, while capacitive sensors detect the change in capacitance between a sensor and electrode to detect non-metal objects (A)</p> Signup and view all the answers

Which type of sensor is commonly used in industrial manufacturing?

<p>Photoelectric detectors (C)</p> Signup and view all the answers

Which of the following statements best describes the role of rotary encoders in machine design?

<p>Rotary encoders convert the angular position or motion of a shaft or axle into analog or digital output signals. (C)</p> Signup and view all the answers

In the context of sensor technology in machine design, what is the primary reason for choosing robust sensors in harsh environments?

<p>To enable the sensors to withstand the harsh conditions without being damaged or failing. (B)</p> Signup and view all the answers

Which of the following statements best describes the principle of operation for capacitive sensors?

<p>Capacitive sensors detect the change in capacitance between a sensor and electrode when a non-metal object approaches. (D)</p> Signup and view all the answers

Which type of sensor would be most suitable for detecting the positioning of a metal component in a high-precision manufacturing process?

<p>Inductive sensors (A)</p> Signup and view all the answers

In the context of machine design, what is the primary function of limit switches (also known as detectors electromecànics or finals de carrera)?

<p>To determine the presence, passing, positioning, and end of travel of an object by being operated by the motion of a machine part or the presence of an object. (A)</p> Signup and view all the answers

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