This topic contains a solution. Click here to go to the answer

Author Question: Manufacturers recommend pressurizing VRF piping to ________ with nitrogen and performing a 24 hour ... (Read 119 times)

saliriagwu

  • Hero Member
  • *****
  • Posts: 537
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.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

JYan

  • Sr. Member
  • ****
  • Posts: 331
Answer to Question 1

B

Answer to Question 2

A




saliriagwu

  • Member
  • Posts: 537
Reply 2 on: Jul 24, 2018
Gracias!


mjenn52

  • Member
  • Posts: 351
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

Did you know?

Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

Did you know?

The longest a person has survived after a heart transplant is 24 years.

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

For a complete list of videos, visit our video library