Question

What are the degrees of freedom?

(a) Total variables in the process

(b) Total species in the process

(c) Total reactions in the process

(d) None of the mentioned

The question was posed to me during a job interview.

This interesting question is from Degrees of Freedom Analysis topic in section Energy Balances that Include the Effects of Chemical Reaction, Ideal Processes, Efficiency and the Mechanical Energy Balance and Heats of Solution and Mixing of Basic Chemical Engineering

Answer 1

Correct answer is (a) Total variables in the process

The best I can explain: Degrees of freedom is the total number of variables involved in the process.