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Author Question: Manufacturers recommend pressurizing VRF piping to ________ with nitrogen and performing a 24 hour ... (Read 89 times)

saliriagwu

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on: Jul 24, 2018
Manufacturers recommend pressurizing VRF piping to ________ with nitrogen and performing a 24 hour standing leak test.
 
  A) 400  500 psig B) 500  600 psig C) 200  300 psig D) 300  400 psig

Question 2

Infrared cameras are used to check:
 
  A) Thermal leakage. B) Percentage of CO2.
  C) CO parts per million. D) Air particle count.


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JYan

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

B

Answer to Question 2

A


saliriagwu

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Reply 2 on: Jul 24, 2018
YES! Correct, THANKS for helping me on my review

FergA

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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