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Author Question: Organizations that set safety standards for manufactured ductwork include: A) AHRI and HVAC ... (Read 52 times)

gbarreiro

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on: Jul 27, 2018
Organizations that set safety standards for manufactured ductwork include:
 
  A) AHRI and HVAC Excellence.
  B) Underwriters Laboratories and the National Fire Protection Association.
  C) EPA and OSHA.
  D) ACCA and RSES.

Question 2

How does the refrigerant charge affect a system's subcooling?
 
  A) The refrigerant charge does not affect the system subcooling.
  B) Adjusting the refrigerant charge only affects the subcooling if the refrigerant is added on the high side.
  C) Removing refrigerant increases the system subcooling.
  D) Adding refrigerant increases the system subcooling.


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Jevvish

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Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

D


gbarreiro

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Reply 2 on: Jul 27, 2018
Excellent

peter

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Reply 3 on: Yesterday
Wow, this really help

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