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Author Question: A company that produces pulsed gas heaters claims their efficiency is approximately 90. If an engine ... (Read 25 times)

Charlie

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on: Jul 28, 2018
A company that produces pulsed gas heaters claims their efficiency is approximately 90. If an engine operates between 250C and 25C, what is its maximum thermodynamic efficiency?
 a. 83
  b. 65
  c. 43
  d. 90
  e. 56

Question 2

A steam engine is operating at its theoretical maximum efficiency of 60. If the waste heat has a temperature of 100F (38C), what is the temperature of the boiler?
 a. 350C
  b. 94C
  c. 225C
  d. 504C
  e. 775C


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skipfourms123

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Reply #1 on: Jul 28, 2018
Answer to Question 1

C

Answer to Question 2

D


Charlie

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Reply 2 on: Jul 28, 2018
Thanks for the timely response, appreciate it

parshano

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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