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Author Question: Who was the person that was instrumental in developing the first CFCs? What will be an ideal ... (Read 29 times)

chandani

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on: Jul 26, 2018
Who was the person that was instrumental in developing the first CFCs?
 
  What will be an ideal response?

Question 2

How many pounds of refrigerant must flow through a 4-ton evaporator each minute if each pound has an enthalpy of 50.0 Btu/lb?
 
  What will be an ideal response?


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strudel15

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Reply #1 on: Jul 26, 2018
Answer to Question 1

Thomas Midgley

Answer to Question 2

1 ton = 200 BTU/minute. 4 x 200 BTU/minute = 800 BTUs/minute 800 BTUs/minute/50 BTUs/lb = 12.6 lbs/minute


chandani

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Reply 2 on: Jul 26, 2018
Wow, this really help

Jossy

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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