Exam (elaborations)
Drinking Water Treatment – Questions With Detailed Solutions
- Course
- Institution
Drinking Water Treatment – Questions With Detailed Solutions
[Show more]
Seller
Follow
Studyhall
Reviews received
Content preview
Drinking Water Treatment – Questions With DetailedSolutions
Using chlorine or other chemicals or techniques to remove or destroy the
harmful bacteria and viruses in the water is called. Correct Ans -
Disinfection.
When and where was the first attempt to disinfect a public water supply In
the US? Correct Ans - Jersey city in 1908.
The highest level of a disinfectant allowed in drinking water is referred to
as. Correct Ans - MDRL , Maximum residual disinfectant level.
The first known water systems were used in. Correct Ans - 300 BC
using boiling and filtration.
The first water filter system was put into use in 1872 in which state?
Correct Ans - New York.
In the 1920's people were dying of Cholera. The Cholera was spread by?
Correct Ans - Water contamination.
True or false...
Is the following statement true or false. Among its countless uses, waters
most important use is for cleaning. Correct Ans - False.
What do the words potable water mean? Correct Ans - Water that
may be consumed in any amount without concern for adverse effects on
health.
Slow sand filtration is a process that. Correct Ans - Was used
predominantly in the early years of US water treatment.
True or false...
Agriculture and industry pose the biggest threats to the water supply?
Correct Ans - True.
True or false...
, To be an enforceable standard, the state must first agree to adopt the
standard for a water constituent Correct Ans - False.
The impetuous for the safe drinking water act was. Correct Ans -
Varying water standards across state lines.
An MRCL is: Correct Ans - Maximum Recommended Concentration.
True or false...
An important aspect of the safe drinking water act is enforcement action to
ensure full compliance for any violation. Correct Ans - True.
The multiple barrier approach used in the Safe Drinking Water act to
protect the public water supply includes: Correct Ans - Protections
provided at the source, during the treatment process and in the
distribution system.
True or false...
Certification was not considered in the drafting of the Safe Drinking Water
Regulations. Correct Ans - False.
The Safe Drinking Water Act of 1974 gave EPA authority to regulate public
water treatment systems by all but which of the following: Correct Ans
- Consolidating all state programs for source water monitoring.
The first large scale public water chlorination facility was installed in the
United States in what year? Correct Ans - 1908.
Chlorine kills bacteria by: Correct Ans - Destruction of cell
membranes.
Coliform bacteria are good indicators of pathogens because they:
Correct Ans - Are always present in water with fecal contamination.
Operators are responsible for: Correct Ans - Providing a continuous
supply of safe water to the public.
True or False...
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Studyhall. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $9.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
77254 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now