Question: It is known that an electrically heated process exhibits second-order dynamics. Given parameter values are K=5 C/kW, T=4 min and =0.5. The process is initially

It is known that an electrically heated process exhibits second-order dynamics. Given parameter values are K=5 C/kW, T=4 min and =0.5. The process is initially steady at 60C and If the heater input is 25 kW and suddenly increases to 30 kW and remains constant at this value,

a) What is the relation of process temperature as a function of time? b) What will be the maximum observed temperature? c) After how long does it reach steady state? d) What will be the final temperature of the process in the new steady state?

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