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Chemical Engineering

GATE CH concept:process-reaction-curve PYQs

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Question 60

Open question
CHNAT2 marksNeeds review
Consider a process with transfer function

A first-order plus dead time (FOPDT) model is to be fitted to the unit step process reaction curve (PRC) by applying the maximum slope method.
Let

and

denote the time constant and dead time, respectively, of the fitted FOPDT model. The value of

is ____ (rounded off to 2 decimal places).
GIVEN: For

the unit step output response:






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