Question

How can temperature be controlled?​

Answer 1

Answer:

The controlled variable, in this case 'temperature' is measured by a suitable sensor such as a thermocouple, RTD, thermistor or infra-red pyrometer and converted to a signal acceptable to the controller. ... Common manipulated variables in temperature controlled processes are air, water, steam, electricity, oil and gas.

Explanation:

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Answer 2

Answer:

A controller in a temperature control system will accept a temperature sensor such as a thermocouple or RTD as input and compare the actual temperature to the desired control temperature, or setpoint. It will then provide an output to a control element.

Explanation:

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