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

Author Question: How is most of the energy required for secondary wastewater treatment consumed? A) as electricity ... (Read 60 times)

mrsjacobs44

  • Hero Member
  • *****
  • Posts: 500
on: Jul 29, 2018
How is most of the energy required for secondary wastewater treatment consumed?
 
  A) as electricity to power air pumps for aeration
  B) as electricity to illuminate UV lamps
  C) as heat to run distillation equipment
  D) as electricity to power hydraulic pumps for reverse osmosis
  E) none of the above

Question 2

If the relative mass of a pingpong ball is 1/20 that of a golf ball, how many pingpong balls would you need to equal the mass of two golf balls?
 
  A) 40
  B) 20
  C) 24
  D) 100
  E) 6.022  1023


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

HandsomeMarc

  • Sr. Member
  • ****
  • Posts: 360
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: A

Answer to Question 2

Answer: A


mrsjacobs44

  • Member
  • Posts: 500
Reply 2 on: Jul 29, 2018
Gracias!

bigsis44

  • Member
  • Posts: 317
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Did you know?

A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

Causes of Secondary Insomnia Causes of Secondary Insomnia
Energy Transfer Processes: Forced Convection Energy Transfer Processes: Forced Convection
Common Oral Lesions/Conditions Associated with HIV Infections and Treatment Guidelines Common Oral Lesions/Conditions Associated with HIV Infections and Treatment Guidelines
Classification of Antidepressants: Treatment of Major Depressive Disorder Classification of Antidepressants: Treatment of Major Depressive Disorder
Global Energy Flow Global Energy Flow
Expressing amounts of energy in different energy units is necessary to solve many chemistry ... Expressing amounts of energy in different energy units is necessary to solve many chemistry ...
Video: Passive Smoke Exposure

For a complete list of videos, visit our video library