100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
2024 OIT TRAINING MANUAL WASTEWATER COLLECTION MODULE 10 EXAM WITH CORRECT ANSWERS $12.99   Add to cart

Exam (elaborations)

2024 OIT TRAINING MANUAL WASTEWATER COLLECTION MODULE 10 EXAM WITH CORRECT ANSWERS

 6 views  0 purchase
  • Course
  • OIT TRAINING MANUAL WASTEWATER COLLECTION
  • Institution
  • OIT TRAINING MANUAL WASTEWATER COLLECTION

2024 OIT TRAINING MANUAL WASTEWATER COLLECTION MODULE 10 EXAM WITH CORRECT ANSWERS

Preview 2 out of 5  pages

  • September 9, 2024
  • 5
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • OIT TRAINING MANUAL WASTEWATER COLLECTION
  • OIT TRAINING MANUAL WASTEWATER COLLECTION
avatar-seller
Elitaa
2024 OIT TRAINING MANUAL
WASTEWATER COLLECTION
MODULE 10 EXAM WITH CORRECT
ANSWERS



Wastewater - CORRECT-ANSWERSmay include domestic sewage, industrial,
commercial effluent

wastewater is removed - CORRECT-ANSWERSthrough sanitary sewers

three key problems with wastewater collection systems - CORRECT-
ANSWERSsewer surcharge, infiltraion of groundwater, exfiltration of
groundwater
buildup of organic/inorganic matter

Main sewers - CORRECT-ANSWERStransport waste from branch sewers to
larger trunk sewers.

lift stations - CORRECT-ANSWERSnecessary to raise wastewater to a higher
elevation

sewer surcharging - CORRECT-ANSWERSoccurs when a sewer is hydraulically
overloaded - too much wastewater trying to flow through a sewer.

sewer surcharging can - CORRECT-ANSWERSresult in flooding of basements
or be released onto roads

Contributing factors of sewer surcharging - CORRECT-ANSWERSinflow of
surface water into sewers + infilitration of groundwater into cracks in sewer
walls.

hydrogen sulphide buildup - CORRECT-ANSWERScan occur because of a
buildup of organic materials;
can cause unpleasant odours, corrosion of sewer lines and can also be
explosive

septic tank effluent gravity systems - CORRECT-ANSWERSsewage flows by
gravity; well suited for areas with low to moderate relief

, septic tank effluent pumping systems - CORRECT-ANSWERSpressurized
system using pumps to pump effluent

grinder pump systems - CORRECT-ANSWERSsewage is ground by a grinder
pump and is discharged to a low-pressure sewer system

Vacuum pump system - CORRECT-ANSWERSuses the suction of a vacuum to
draw and transport wastewater

alternative sewer collection systems - CORRECT-ANSWERSsuitable for
communities with shallow bedrock, high groundwater tables or topography
not conducive to conventional gravity sewers

gravity sewers - CORRECT-ANSWERSwastewater is transported with the use
of gravity

gravity collection system - CORRECT-ANSWERSindividual service lines -->
small lateral or branch sewer---> Main sewers--->Trunk sewers

branch sewers - CORRECT-ANSWERSsmall sewer (250-300mm); run under
streets and receive laterals from buildings along that street

Trunk sewers - CORRECT-ANSWERSlargest of the sewers, and the main
arteries of the wastewater collection system

wastewater lift stations - CORRECT-ANSWERSdesigned to move wastewater
from lower to higher elevation, especially when elevation of the source is not
sufficient for gravity flow.

Wet well - CORRECT-ANSWERSsealed undergound pit where sewage is fed
into and stored

Manholes - CORRECT-ANSWERSaccess to sewers

Sewers - CORRECT-ANSWERSpose health risks, are smelly and physically
dangerous;
accumulation of toxic or explosive gases is a problem


storm sewers - CORRECT-ANSWERSlarge pipes that carry strom water runoff
from yards and streets directly (without treatment) into a river, lake, or
ocean

combined sewer - CORRECT-ANSWERSA sewer designed to carry both
sanitary wastewater and storm-water or surface water runoff.

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)

81531 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