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Author Question: Defrost on a medium temperature case is normally accomplished: A) By leaving the case fans ... (Read 99 times)

daltonest1984

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on: Jul 26, 2018
Defrost on a medium temperature case is normally accomplished:
 
  A) By leaving the case fans operating and shutting off the compressor.
  B) Keeping the compressor running and bypassing hot gas to the evaporator.
  C) By shutting off the compressor and energizing electric defrost heaters.

Question 2

How does air from air conditioning vents affect open display cases?
 
  A) It improves their performance by lowering the temperature of the air surrounding the display case.
  B) Open display cases are not affected by external air sources because of their engineered air baffles.
  C) Open display cases are not affected by external air sources because of their powerful built in air curtains.
  D) It disrupts the case's air curtain, causing them to rise in temperature.


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leannegxo

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

A

Answer to Question 2

D


daltonest1984

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Reply #2 on: Jul 26, 2018
Both answers were spot on, thank you once again


leannegxo

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Reply #3 on: Jul 26, 2018
Great! Please up vote :D


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