Water treatment class d - Study guides, Class notes & Summaries

This document contains workings, explanations and solutions to the HREDU82 Assignment 1 (QUALITY ANSWERS) 2024. For assistance call or us on 0.6.8..8.1.2..0.9.3.4.... 1. Adult, Community and Continuing Education Lecturers: Prof L. Johnson, Drs M. Lepholletse and X. Tawana Discipline: Adult, Community and Continuing Education (DACCE) Experiences of academic online student support systems: The case of adult education programme/s The effectiveness of adult education programmes delivery ...

HREDU82 Assignment 1 (DETAILED ANSWERS) 2024 - DISTINCTION GUARANTEED Answers, guidelines, workings and references .................... 1. Adult, Community and Continuing Education Lecturers: Prof L. Johnson, Drs M. Lepholletse and X. Tawana Discipline: Adult, Community and Continuing Education (DACCE) Experiences of academic online student support systems: The case of adult education programme/s The effectiveness of adult education programmes delivery at UNISA: An exploratory stud...

Test Bank for Human Physiology an Integrated Approach 8th Edition (Silverthorn, 2019), All Chapters Covered, Complete Guide A+. Human Physiology: An Integrated Approach, 8e (Silverthorn) Chapter 1 Introduction to Physiology 1) Physiology is the study of A) the structure of the body. B) the tissues and organs of the body at the microscopic level. C) growth and reproduction. D) the normal functions of the organ systems. E) the facial features as an indication of personality. Answer: D Se...

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The process by which the body break down and coverts a medication into active subtance is know as metabolism The term NOT associated with the pharmacokinetics of a drug is Pharmacodynamics R ationale: Pharmacokinetics can be simply described as the study of 'what the body does to the drugs' and includes: the rate and extend to which drugs are absorbed and distributed to body tissue; the rate and pathways by which drugs are eliminated from the body by metabolism and excretion; and the relations...

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If 2.5mg/L of chlorine is dosed, and there is 0.5mg/L of residual, what is the reason for the residual? - ANS - The residual is present as a safeguard for unanticipated chlorine demand in the distribution system Which of the following must always be done before repairing a pump? - ANS - Lock out equipment Which of the following is least likely to affect the effectiveness of chlorine? - ANS - Sodium Which of the following is considered safe to drink? - ANS - no pathogens Which rea...

Which of the following is true regarding water sampling? - ANS - Collecting water samples at a water treatment plant is no different than collecting samples from a stream or river. What has a "rotten egg" smell? - ANS - hydrogen sulfide Which coliform bacteria test involves the use of lauryl tryptose broth? - ANS - Multiple tube fermentation method How alkalinity is usually expressed? - ANS - Calcium carbonate equivalents What does a pH of 2 represent? - ANS - Strong acid ...

What is typical characteristic of colloidal particles in raw water? - ANS - Negative charge on the surface What is short circuiting in a clarifier? - ANS - Shorter settling time in basin. What would cause a filter to begin backwashing? - ANS - head loss What is the purpose of surface washing in a filtration unit? - ANS - Break-up mud balls. Where would you most likely see high levels of nitrate in the groundwater supply? - ANS - Near agricultural land What is adsorption? - AN...

Which is the best type of gasket to use when connecting a chlorine cylinder or container to the chlorine feed system? - ANS - Lead gasket Which part of the human body is the most vulnerable to allowing microorganisms to enter it? - ANS - Eyes The organisms used to indicate the likelihood that pathogenic bacteria may be present are - ANS - coliform bacteria Which adverse effects does the secondary contaminant manganese have? - ANS - Discolored laundry and changed taste of water, coff...