GATE Chemical 2012 | Question: 42

Question

The block diagram of a system with a proportional controller is shown below

                                                 

A unit step is introduced in the set point. The value of K${_c}$ to provide a critically damped response for U = 0, $\tau{_p}$ = 8 and $\tau{_m}$ = 1 is

• A. 3.34
• B. 2.58
• C. 1.53
• D. 1.12