Humber/Ontario Real Estate Course 4 Exam Practice

What is true about a chlorine injector unit used in well water treatment?

1. Can only be used for a dug well

2. Cannot be used to disinfect water from well systems

3. When used with filtration, is effective for well water treatment

4. Uses reverse osmosis to disinfect the well water

The correct answer is: When used with filtration, is effective for well water treatment

The use of a chlorine injector unit in well water treatment is vital for effectively disinfecting the water, particularly when it is used in conjunction with filtration systems. This approach is particularly beneficial for eliminating harmful microorganisms present in well water, ensuring it meets safety standards for consumption. Chlorination can target a wide range of pathogens, making it a reliable method for maintaining water quality. Combining chlorine injection with filtration enhances the overall effectiveness of the treatment system. Filtration can remove particulates and some chemical contaminants, allowing the chlorine to work more efficiently. It ensures that the chlorine can penetrate biofilms and reach microorganisms that may be residing within any particulates or sediment. The other options, which state limitations or inaccuracies about the chlorine injector unit, do not reflect its actual application. A chlorine injector is versatile and can be used for various types of well systems, including drilled wells, and it is not limited to disinfection of only dug wells. It does not operate on the principle of reverse osmosis, which is a different water treatment process primarily used for removing dissolved solids and impurities rather than disinfection. Thus, the correct choice reflects the effective application of a chlorine injector unit in well water treatment.