What does the interconnections between the unit modules represent?
(a) Information flow
(b) Material flow
(c) Energy flow
(d) All of the mentioned
The question was posed to me in an online quiz.
Question is from Unsteady-State Material and Energy Balances in portion Humidity Charts & their Use, Analysis of the Degrees of Freedom in a Steady – State Process, Solving Material and Energy Balances Using Process and Unsteady State Material and Energy Balances of Basic Chemical Engineering