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Author Question: The HVACR technician's role in indoor air quality is to: A) Perform laboratory tests on collected ... (Read 70 times)

Beheh

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on: Jul 24, 2018
The HVACR technician's role in indoor air quality is to:
 
  A) Perform laboratory tests on collected material.
  B) Install HEPA filters to alleviate all indoor air-quality concerns.
  C) Communicate with the building owner and the occupants on how the interacting systems of a building affect indoor air quality.
  D) Perform microscopic analysis to determine the origin of pollutants.

Question 2

When does the temperature differential initiate the defrost cycle?
 
  A) When the air temperature drops below the coil temperature
  B) When the coil and air temperature difference increases for a prolonged period of time
  C) When the difference between the coil and outdoor air is constant
  D) When there is any frost on the coil


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Missbam101

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

C

Answer to Question 2

B


Beheh

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Reply 2 on: Jul 24, 2018
Gracias!

kishoreddi

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Reply 3 on: Yesterday
Excellent

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