ECE Elective 1: Instrumentation and Sensors
30 Questions
2 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the primary function of a sensor?

  • To actuate a response
  • To control the electrical signal
  • To translate the electrical signal
  • To receive and respond to a stimulus (correct)

What is the quantity, property, or condition that is received and converted into an electrical signal?

  • Stimulus (correct)
  • Translator
  • Controller
  • Actuator

What type of sensor is used to measure pressure, force, and airflow?

  • Optical sensors
  • Temperature sensors
  • Pressure sensors (correct)
  • Acoustic sensors

What is the device that receives a stimulus and responds with an electrical signal?

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

What is the role of a translator in instrumentation?

<p>To convert the stimulus into an electrical signal (D)</p> Signup and view all the answers

What is the purpose of instrumentation?

<p>To measure physical parameters (C)</p> Signup and view all the answers

What is the term for the pressure exerted against a surface by the weight of the air above that surface?

<p>Atmospheric pressure (C)</p> Signup and view all the answers

What type of pressure is measured relative to atmospheric pressure?

<p>Gauge pressure (C)</p> Signup and view all the answers

What is the opposite of vacuum pressure?

<p>Atmospheric pressure (A)</p> Signup and view all the answers

Which of the following is not a type of pressure?

<p>Absolute zero (B)</p> Signup and view all the answers

What is the term for the pressure measured with respect to a perfect vacuum?

<p>Absolute pressure (D)</p> Signup and view all the answers

What is the difference between gauge pressure and absolute pressure?

<p>Gauge pressure is measured relative to atmospheric pressure, while absolute pressure is measured with respect to a perfect vacuum. (A)</p> Signup and view all the answers

What is the typical size of a sensor chip?

<p>2 mm × 2 mm (C)</p> Signup and view all the answers

What type of pressure sensor provides a pressure measurement relative to a reference of zero pressure?

<p>Absolute pressure sensor (A)</p> Signup and view all the answers

What is the reference pressure for absolute pressure sensors?

<p>Zero pressure, as close as possible to a vacuum (D)</p> Signup and view all the answers

What type of pressure sensor measures the difference in pressure between two points in a system?

<p>Differential pressure sensor (D)</p> Signup and view all the answers

What is the reference point for gauge pressure sensors?

<p>Local atmospheric pressure (C)</p> Signup and view all the answers

What type of material is used to make monolithic sensors?

<p>Single-crystal Silicon (A)</p> Signup and view all the answers

What is the purpose of using sealed pressure sensors?

<p>To measure pressure relative to atmospheric pressure (D)</p> Signup and view all the answers

What does the sensor type specification of a pressure sensor reflect?

<p>The pressure type for which the sensor is designed to operate (A)</p> Signup and view all the answers

What happens if the maximum pressure of a pressure sensor is exceeded?

<p>The sensor will fail or provide inaccurate signal output (D)</p> Signup and view all the answers

What is the full scale of a pressure sensor?

<p>The difference between the maximum pressure and zero pressure (B)</p> Signup and view all the answers

What is the operating pressure range of a pressure sensor?

<p>The range of pressures over which the sensor can operate and generate a signal output (D)</p> Signup and view all the answers

What does the output type specification of a pressure sensor describe?

<p>The general nature of the output signal characteristics (B)</p> Signup and view all the answers

What type of pressure is below atmospheric pressure?

<p>Vacuum pressure (C)</p> Signup and view all the answers

What is the term for the pressure above absolute zero?

<p>Absolute pressure (B)</p> Signup and view all the answers

What is the difference in pressure between two points called?

<p>Differential pressure (C)</p> Signup and view all the answers

What technology is commonly used in fabricating pressure, force, and airflow sensors?

<p>Silicon-processing technology (C)</p> Signup and view all the answers

What is another name for vacuum pressure?

<p>Negative gauge pressure (B)</p> Signup and view all the answers

How many technologies are mentioned in the text for fabricating pressure, force, and airflow sensors?

<p>5 (C)</p> Signup and view all the answers

More Like This

Use Quizgecko on...
Browser
Open
Browser
Browser