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Chemical Engineering · Q243

Process Control And Instrumentation

Engineering and GATE · Chemical Engineering · question 243

Q243

A first order system with a time constant of 1 min is subjected to frequency response analysis. At an input frequency of 1 radian/min, the phase shift is

A.
45°
B.
-90°
C.
-180°
D.
-45°
Answer

Answer: Option D

Solution

Answer: Option D
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