This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Crown corrosion in sanitary sewers is caused by a. bacteria that produce hydrogen sulfide gas and ... (Read 79 times)

wenmo

  • Hero Member
  • *****
  • Posts: 540
on: Jul 26, 2018
Crown corrosion in sanitary sewers is caused by
 
  a. bacteria that produce hydrogen sulfide gas and sulfuric acid
  b. abrasion of the pipe wall by suspended solids in the sewage
  c. normal wear and tear of the pipeline
  d. excessively high wastewater flow velocities
  e. acidic industrial wastewater

Question 2

Exfiltration testing is used to
 
  a. ensure noxious gases do not leak OUT of a sewer line
  b. determine the pumping capacity of water supply wells
  c. check the structural integrity of underground pipelines
  d. test sanitary sewers for watertightness or leaks
  e. determine the fire flow capacity of a water main


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

lou

  • Sr. Member
  • ****
  • Posts: 286
Reply #1 on: Jul 26, 2018
Answer to Question 1

a

Answer to Question 2

d


wenmo

  • Member
  • Posts: 540
Reply 2 on: Jul 26, 2018
Excellent

TheNamesImani

  • Member
  • Posts: 334
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.

Did you know?

Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

Did you know?

Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.

Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

Step 2 of gene cloning: The actions of a restriction enzyme and DNA ligase to produce a recombinant Step 2 of gene cloning: The actions of a restriction enzyme and DNA ligase to produce a recombinant
Directionality of the hydrogen bond Directionality of the hydrogen bond
Significant hash can be caused by faults in one or more cylinders, whereas amplified hash is not ... Significant hash can be caused by faults in one or more cylinders, whereas amplified hash is not ...
A clogged PCV system caused the engine oil fumes to be drawn into the air cleaner assembly. This is ... A clogged PCV system caused the engine oil fumes to be drawn into the air cleaner assembly. This is ...
Spinal changes caused by osteoporosis. Use light pressure and gentle stretches only with frail or ... Spinal changes caused by osteoporosis. Use light pressure and gentle stretches only with frail or ...
Mg can react with HCl to produce the white solid MgCl2 and H2 gas. A student mixes 1.99 g of ... Mg can react with HCl to produce the white solid MgCl2 and H2 gas. A student mixes 1.99 g of ...
Video: Osmosis - Isotonic, Hypotonic, and Hypertonic​ Solutions

For a complete list of videos, visit our video library