In a closed loop system, the process to be controlled is an integrating process with transfer function $$\frac{1}{{2{\text{s}}}}.$$ The controller proposed to be used in an integral controller with transfer function $$\frac{1}{{{{\text{T}}_1}{\text{s}}}}.$$ When a step change in set point is applied to such a closed loop system, the controlled variable will exhibit
A. Overdamped response
B. Underdamped response
C. Undamped response
D. Unstable response
Answer: Option B
Related Questions on Process Control and Instrumentation
Phase lag of the frequency response of a second order system to a sinusoidal forcing function
A. Is 30°
B. Is 90° at the most
C. Approaches 180° asymptotically
D. Is 120°
Which of the following is not classified as a thermo electric pyrometer?
A. Resistance thermometer
B. Thermocouple
C. Optical pyrometer (disappearing filament type)
D. Radiation pyrometer
A. Chromel-alumel
B. Iron-constantan
C. Platinum-platinum/rhodium
D. None of these
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