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Author Question: How is most of the energy required for secondary wastewater treatment consumed? A) as electricity ... (Read 70 times)

mrsjacobs44

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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


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HandsomeMarc

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Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: A

Answer to Question 2

Answer: A


mrsjacobs44

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Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)

AmberC1996

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Reply 3 on: Yesterday
Excellent

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