In a system if, Accumulation = Input – Output + Generation – Consumption, where all the four terms are distinct and non-zero, then the system is which of the following?(a) Steady-state(b) Closed(c) Non-reactive(d) None of the mentionedI have been asked this question at a job interview.Asked question is from Accounting for Chemical Reactions in Material Balances topic in division Introduction to Material Balances of Basic Chemical Engineering

In a system if, Accumulation = Input – Output + Generation – Consu

1.	In a system if, Accumulation = Input – Output + Generation – Consumption, where all the four terms are distinct and non-zero, then the system is which of the following?(a) Steady-state(b) Closed(c) Non-reactive(d) None of the mentionedI have been asked this question at a job interview.Asked question is from Accounting for Chemical Reactions in Material Balances topic in division Introduction to Material Balances of Basic Chemical Engineering
Answer» Right choice is (d) None of the mentioned To explain I WOULD say: As the formula involves INPUT and output it is an open SYSTEM, and also as it involves GENERATION and consumption the system is REACTIVE, and since the input is not equal to output so the system is unsteady-state, and the answer is d.

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