What is the purpose of a temperature sensor?

• To detect amount of heat energy

• To measure humidity levels

• To detect changes in light intensity

• To measure air pressure

What are the two types of temperature sensors?

• Contact and non-contact

• Current and Voltage

• Frequency and amplitude

• enclosed and non-enclosed

What type of sensor is used when physical contact with the object under test is needed?

• Pressure sensor

• Contact temperature sensor

• Flow sensor

• Infra-red Sensor

What method do contact temperature sensors use to monitor changes in temperature?

• Radiation

• Convection

• Conduction

• Induction

What are typical applications for contact temperature sensors?

• Environmental monitoring

• Patient healthcare monitoring

• Quality performance checks

• Food processing ovens

What method do non-contact temperature sensors use to sense changes in temperature?

• Conduction

• Induction

• Radiation

• Convection

What are typical applications for non-contact temperature sensors?

• Patient healthcare monitoring

• Environmental monitoring

• Quality performance checks

• Food processing ovens

What is the difference between the output of an analogue and a digital temperature sensor?

• An analogue sensor outputs continuous values while a digital sensor outputs discrete values

• An analogue sensor outputs discrete values while a digital sensor outputs continuous values

• Both types of sensors output continuous values

• Both types of sensors output discrete values

What is a thermocouple?

• A type of actuator

• A type of contact temperature sensor

• A type of sensor used for measuring pressure

• A type of sensor used for measuring light intensity

Why are thermocouples popular as temperature sensors?

• Because they are complex

• Because they are difficult to use

• Because they have slow response time

• Because they are simple and have fast response time