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

Author Question: Bar screens and grit chambers are used a. only in primary wastewater treatment plants b. in most ... (Read 74 times)

ts19998

  • Hero Member
  • *****
  • Posts: 531
on: Jul 26, 2018
Bar screens and grit chambers are used
 
  a. only in primary wastewater treatment plants
  b. in most municipal wastewater treatment plants
  c. very rarely due to applications of modern technology
  d. only in advanced wastewater treatment plants
  e. in most municipal water supply facilities

Question 2

The BOD of wastewater is determined by
 
  a. evaporating the sample and weighing the residue
  b. filtering the sample and weighing the trapped solids
  c. heating the sample for 5 days and then measuring the DO
  d. measuring the DO consumed in a diluted sample after 5 days
  e. measuring the suspended solids after 5 days of settling


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

qytan

  • Sr. Member
  • ****
  • Posts: 336
Reply #1 on: Jul 26, 2018
Answer to Question 1

b

Answer to Question 2

d


ts19998

  • Hero Member
  • *****
  • Posts: 531
Reply #2 on: Jul 26, 2018
Thanks


qytan

  • Sr. Member
  • ****
  • Posts: 336
Reply #3 on: Jul 26, 2018
Welcome :)


« previous next »
 

Did you know?

People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Did you know?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

Radial pattern of shoot growth in plants Radial pattern of shoot growth in plants
Plants Plants
Blood Flow - Heart Chambers Blood Flow - Heart Chambers
Drugs in the Treatment of Heart Failure Drugs in the Treatment of Heart Failure
The segregation of albinism, a recessively inherited trait in humans. As in pea plants, alleles of a The segregation of albinism, a recessively inherited trait in humans. As in pea plants, alleles of a
Video: Embryonic development - Week 3

For a complete list of videos, visit our video library