Process Control and Instrumentation
The offset introduced by proportional controller with gain Kc in response of first order system can be reduced by

None of these
Introducing integral control
Introducing derivative control
Reducing value of Kc

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Process Control and Instrumentation
Thermodynamic celcius scale of temperature measurement is

Defined on the basis of melting point of ice and evaporation temperature of water vapor
Both A&B Here
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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