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Author Question: Which type of generating plant would you expect to be more energy efficient, steam-electric or ... (Read 93 times)

pane00

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on: Jul 29, 2018
Which type of generating plant would you expect to be more energy efficient, steam-electric or hydroelectric?
 
  A) Hydroelectric, because the lake and river water provides natural cooling for the exhaust.
  B) Steam-electric, because there is so much more energy per ton in fossil fuels than in water behind a dam.
  C) Hydroelectric, because it is not a heat engine and so is not restricted by the second law of thermodynamics.
  D) Hydroelectric, because there is so much energy in a large lake raised up behind a dam.
  E) Steam-electric, because it can have a very high operating temperature due to having a large and thick boiler.

Question 2

Democritus said that, although we imagine many things, in reality, there are only atoms and the void. This idea could best be classified as
 
  A) witticism. B) stoicism. C) rationalism. D) idealism. E) materialism.


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hollysheppard095

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

C

Answer to Question 2

E


pane00

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

chjcharjto14

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Reply 3 on: Yesterday
:D TYSM

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