#### Energy-Efficient Technologies in Cement Grinding IntechOpen

A degree of freedom analysis on this process 4 unknowns ˙ ˙ 2 mass balances and 2 pieces of information knowing that 40 of A and half of B leaves in stream 3 is not independent from knowing that 60 of A and half of B leaves in stream 2 = 0 DOF Methods of previous chapters can be used to determine that ˙ = = ˙ = and = This is good practice for the interested reader