100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
2024 OIT TRAINING MANUAL MODULE 7 DRINKING WATER TREATMENT EXAM WITH ANSWERS $12.99   Add to cart

Exam (elaborations)

2024 OIT TRAINING MANUAL MODULE 7 DRINKING WATER TREATMENT EXAM WITH ANSWERS

 7 views  0 purchase
  • Course
  • OIT TRAINING MANUAL
  • Institution
  • OIT TRAINING MANUAL

2024 OIT TRAINING MANUAL MODULE 7 DRINKING WATER TREATMENT EXAM WITH ANSWERS

Preview 1 out of 3  pages

  • September 6, 2024
  • 3
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • OIT TRAINING MANUAL
  • OIT TRAINING MANUAL
avatar-seller
Elitaa
2024 OIT TRAINING MANUAL
MODULE 7 DRINKING WATER
TREATMENT EXAM WITH
ANSWERS



Pre-treatment - CORRECT-ANSWERSRaw water is pumped from the source;
pre-sedimentation and/or pre-chlorination may be needed

Pre-sedimentation - CORRECT-ANSWERSprocess meant to remove large
particles such as sand and organic debris

pre-chlorination - CORRECT-ANSWERSA powerful disinfecting agent is added
early in the water-treatment process to kill disease-causing organisms;
remove potential odours; to control zebra mussels

purpose of jar test - CORRECT-ANSWERSto determine the optimal chemical
doses by stimulating plant conditions on a smaller scale
used for the flocculation/coagulation processes

purpose of backwashing - CORRECT-ANSWERSclean media filters; done every
1 to 4 days

method of backwashing - CORRECT-ANSWERSnormal water flow is shut off
and treated water is pumped up, backwards through the filter media to
remove entrapped matter.

Sufficient Time - CORRECT-ANSWERSmost important factor for ensuring that
chlorine has effectively inactivated microorganisms

aeration - CORRECT-ANSWERSthe process by which air is circulated through,
mixed with or dissolved in a liquid or substance.
used for stripping or removing VOCs or undesirable gases from water

methods used for treatment of iron and manganese - CORRECT-
ANSWERSsequestering
oxidation and filitration

Fluoride - CORRECT-ANSWERSadded to water to prevent tooth decay

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

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

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

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 Elitaa. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $12.99. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

73091 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling
$12.99
  • (0)
  Add to cart