This topic contains a solution. Click here to go to the answer

Author Question: How is most of the energy required for secondary wastewater treatment consumed? A) as electricity ... (Read 30 times)

mrsjacobs44

  • Hero Member
  • *****
  • Posts: 500
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
Answer to Question 1

Answer: A

Answer to Question 2

Answer: A




mrsjacobs44

  • Member
  • Posts: 500
Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)


Liamb2179

  • Member
  • Posts: 365
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

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

Did you know?

Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

For a complete list of videos, visit our video library