Plant Operations 2 - EV-2004 W-23 Assignment 1 The purpose of this assignment is to gauge your level of knowledge in order to help me adjust the course materials to cover your needs. This assignment is worth 5% of your final mark. There are 5 questions and you will be marked on your ability to answer them clearly and correctly in a professional manner. Plagiarism is discouraged and is suspected, answers will be reviewed with you to ensure that they are yow own thoughts and you do understand the concept. Each question is assigned 1/2 mark for clarity of presentation and 1/2 mark for accuracy. Please type all your answers on the same document as the questions and submit to me in printed format. 1) What is the main reason (\#1 importance) for the treatment of water for human consumption and how is the safety of the water determined? 2) How is disease transmission from human waste disposal controlled in modern society? 3) What process is used in most wastewater plants? Explain how the waste is broken down and what agent, device or chemical process does most of this work? 4) Drinking water can come from wells or lakes and rivers. Which water is generally safest to drink and why? 5) When a toilet is flushed, and the waste goes away, how does it get to the treatment plant and what basic law of physics is used whenever possible to keep costs down