Chemical Engineering > GATE 2015 > Control Systems
The block diagram for a process with feedback control for output deviation variable h is shown in the figure below. All transfer functions are given with pre-factor of s in minutes. A unit step change is made in the set-point at t=0. The time required for h to reach 50% of its ultimate value, in minutes (up to two decimal places), is: _______
Correct : 0.88
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