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Author Question: Natural convection occurs because of: A) Naturally occurring magnetic fields surrounding the ... (Read 38 times)

clippers!

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on: Jul 24, 2018
Natural convection occurs because of:
 
  A) Naturally occurring magnetic fields surrounding the earth.
  B) Differences in fluid density due to temperature difference.
  C) Fans, pumps, and other mechanical devices.
  D) Gentle breezes on properly placed equipment.

Question 2

Refrigerant in the evaporator coil of an air conditioner changes from a liquid to a gas when hot air passes over it. The temperature of the refrigerant does not change. What concept does this demonstrate?
 
  A) Specific heat B) Radiation C) Latent heat D) Convection


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bulacsom

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Reply #1 on: Jul 24, 2018
Answer to Question 1

B

Answer to Question 2

C


clippers!

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Reply 2 on: Jul 24, 2018
Wow, this really help

brbarasa

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Reply 3 on: Yesterday
Excellent

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