Question 3 1. Describe the 6 phases of the pollution flashover mechanism for ceramic insulators. [10 Marks 2. Describe two cases (different types of insulators, different types of pollution) where this mechanism is not applicable and why. [5 Marks] 3. Discuss the differences between ceramic and non-ceramic insulators and propose a more suitable insulator for the medium polluted area. [10 Marks] [Total Marks: 25]