The time constant of a unity gain, first order plus time delay process is 5 min. If the phase lag at a frequency of 0.2 rad/min is 60°, then the dead time (in minutes) is________________?
Options:
A . 5π/12
B . π/6
C . π/12
D . π/3
Answer: Option A NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
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