What are three uses of the second law of thermodynamics a Co
     What are three uses of the second law of thermodynamics?  a. Compute efficiency, determine the quantity, determine theoretical limits.  b. Identify the direction of processes, determine the quantity, determine theoretical limits.  c. Identify the direction of processes, determine the quality, determine theoretical limits.   
  
  Solution
Problem 1
Option C ( direction, quality, theoretical limits )
Problem 2
Heat engine violates - Kelvin-Planck Statement
Refrigeration cycle violets - Clausius Statement

