An unsteady state system, the flow in rate of A is 5 mole/s, what is the flow out rate of B if the accumulation was 10 mole in 5 seconds?(a) 1 mole/s(b) 2 mole/s(c) 3 mole/s(d) 5 mole/sThis question was posed to me in a job interview.I want to ask this question from Steady-State and Unsteady-State Systems topic in section Introduction to Material Balances of Basic Chemical Engineering

An unsteady state system, the flow in rate of A is 5 mole/s, what is t

1.	An unsteady state system, the flow in rate of A is 5 mole/s, what is the flow out rate of B if the accumulation was 10 mole in 5 seconds?(a) 1 mole/s(b) 2 mole/s(c) 3 mole/s(d) 5 mole/sThis question was posed to me in a job interview.I want to ask this question from Steady-State and Unsteady-State Systems topic in section Introduction to Material Balances of Basic Chemical Engineering
Answer» The CORRECT choice is (c) 3 mole/s The explanation: FLOW RATE of B = 5 – 10/5 = 3 mole/s.

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