Question 3 (16 marks) 3. Consider the vibrating screen used in the plant and the sieve analysis provided, answer the following questions: 3.1. What happens when near-mesh particles are fed to a screen? 3.2. What are the advantages of a vibrating screen when compared to a trommel screen? (2) 3.3. Calculate the overall screen effectiveness if a product size of 6mm or less is desired. (3) (11)