Process Control and Instrumentation
The function of a transducer is to

Convert the primary signal into a more useful quantity, usually an electric impulse
Amplify the input signal
Modify the input signal
Codify/decodify the input signal

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Process Control and Instrumentation
In a closed loop system, the process to be controlled is an integrating process with transfer function l/2s. The controller proposed to be used in an integral controller with transfer function 1/T₁s. When a step change in set point is applied to such a closed loop system, the controlled variable will exhibit

Unstable response
Overdamped response
Undamped response
Underdamped response

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