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Author Question: What is the difference between a flare for an R-410A system and a flare for an R-22 system? A) ... (Read 60 times)

imowrer

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on: Jul 26, 2018
What is the difference between a flare for an R-410A system and a flare for an R-22 system?
 
  A) Flares for R-410A systems have a larger cone.
  B) Flares for R-410A systems must always be a double flare.
  C) Flares for R-410A systems are formed to 37. 5 instead of 45.
  D) There is no difference.

Question 2

When a parallel fan-powered VAV box is in the heating mode, the primary air damper is _____.
 
  a. fully open
  b. fully closed
  c. at its minimum position setpoint
  d. used to control heating airflow


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momo1250

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

A

Answer to Question 2

c


imowrer

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Reply 2 on: Jul 26, 2018
Thanks for the timely response, appreciate it

jackie

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Reply 3 on: Yesterday
:D TYSM

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