Optical Temperature Sensors Quiz

Which of the following is a common method for measuring temperature?

• Thermocouple

• Digital ear thermometer

• Glass thermometer

• All of the above

What are the benefits of fiber optic temperature sensors compared to traditional methods?

• Immunity from EM interference

• Require physical contact

• Inaccurate measurements

• None of the above

What is the working principle of an optical temperature sensor?

• Based on electrical resistance

• Based on change in optical properties

• Based on thermal expansion

• Based on pressure changes

What are the two types of fiber optic temperature sensors?

• Interferometric and non-interferometric

• Active and passive

• Analog and digital

• None of the above

What is the effect of temperature variations on gallium arsenide?

• Increases electrical resistance

• Shifts transmission spectrum to higher wavelengths

• Decreases thermal conductivity

• None of the above

What are the advantages of optical temperature sensors?

• Immune to electromagnetic interference

• Require electrical power

• Cannot measure high temperatures

• None of the above

In which applications are optical temperature sensors used?

• Industrial Process Control

• Medical Diagnostics

• Environmental Monitoring

• All of the above