explain briefly please

Examination Notes: 1. Answer all the questions 2. Booklet contains Five pages including cover page Q2-a) Explain in details with suitable figure how vacuum is created in a vacuum distillation unit? [15 Marks] Q2-b) Explain in details why the term "True" is used to name "True boiling point distillation" method and the term "Simulated" is used to name "Simulated distillation" method. [15 d- Chemicals and high potential electrical field across the settling vessel may also be used in Oil-Water separation. Whe sepration the Solt from ound oi' use wish water. So can use dispratir the ater from cownd oil. Iy Fhe and Can use othe mothe chemical a nol high potentil electic fiolol Cand Cross e- Addition of steam to the fumace inlet and at the bottom of the vacuum distillation column