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 73 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?

Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Did you know?

The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

Did you know?

Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

Plants Plants
Plants Plants
Plants Plants
Plants Plants
Plants Plants
Timeline of Major Events in Plants Timeline of Major Events in Plants
Video: Dissociative Disorders (Part 3)

For a complete list of videos, visit our video library