This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Manufacturers recommend pressurizing VRF piping to ________ with nitrogen and performing a 24 hour ... (Read 116 times)

saliriagwu

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


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

B

Answer to Question 2

A


saliriagwu

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

kilada

  • Member
  • Posts: 311
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Did you know?

Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Workers at a Nike factory in Indonesia insert soles into sneakers for fourteen cents an hour. Workers at a Nike factory in Indonesia insert soles into sneakers for fourteen cents an hour.
Notice the reddish-brown haze caused by nitrogen oxides that is often over many major cities. Notice the reddish-brown haze caused by nitrogen oxides that is often over many major cities.
An Internet connection is usually needed to perform updates although some vehicle manufacturers use ... An Internet connection is usually needed to perform updates although some vehicle manufacturers use ...
Use of forearm for performing effleurage on the hamstring muscles. Use of forearm for performing effleurage on the hamstring muscles.
Performing the Trendelenburg’s test: Applying tourniquet Performing the Trendelenburg’s test: Applying tourniquet
Sonja is paid $42.50 per hour as a veterinarian. She is paid 1 times the regular rate for all ... Sonja is paid $42.50 per hour as a veterinarian. She is paid 1 times the regular rate for all ...
Video: Oral Hygiene & Braces Animation

For a complete list of videos, visit our video library