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

Undamped response
Unstable response
Underdamped response
Overdamped response

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Process Control and Instrumentation
Select the correct statement from the following.

The amplitude ratio of a pure time delay system increases with frequency
The amplitude ratio of a pure capacity process is inversely proportional to frequency
The phase lag of a pure time delay system decreases with increasing frequency
The frequency response of a pure capacity process is unbounded

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Process Control and Instrumentation
Thermodynamic celcius scale of temperature measurement is

Both A&B Here
Defined on the basis of melting point of ice and evaporation temperature of water vapor
Having an interval of 100° between ice point to steam point
Having an interval of 100° between ice point to steam point

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