Numerical Question 5 and 6

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5. Calculate decay ratio in % if a step change of magnitude 6 is introduced into the control system having transfer function: G(s)=X(s)Y(s)=5s2+0.6s+110 (Write answer without decimal digit) Ans. 71 6. There is three interacting CSTRs in series with the time constants of CSTRs as: 1=1min,2=2min,3=3min The gain of the process is 0.2 . The transportation lag parameter of the measuring element is 36s. Determine the ultimate gain. (Write answer up to one decimal digit) Ans. 25.5 5. Calculate decay ratio in % if a step change of magnitude 6 is introduced into the control system having transfer function: G(s)=X(s)Y(s)=5s2+0.6s+110 (Write answer without decimal digit) Ans. 71 6. There is three interacting CSTRs in series with the time constants of CSTRs as: 1=1min,2=2min,3=3min The gain of the process is 0.2 . The transportation lag parameter of the measuring element is 36s. Determine the ultimate gain. (Write answer up to one decimal digit) Ans. 25.5