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

Author Question: How do the Test and Balance procedures for a zoned system differ from a non-zoned system. What ... (Read 52 times)

EY67

  • Hero Member
  • *****
  • Posts: 531
How do the Test and Balance procedures for a zoned system differ from a non-zoned system.
 
  What will be an ideal response?

Question 2

Why must the copper fitting be cleaned before brazing it?
 
  What will be an ideal response?



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

chloejackso

  • Sr. Member
  • ****
  • Posts: 316
Answer to Question 1

After establishing the correct total system airflow, the correct airflow through each zone is set using the zone dampers. Finally, the airflow through each individual register is adjusted using the branch duct dampers.

Answer to Question 2

To remove surface oxides and allow bonding.





 

Did you know?

Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Did you know?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

For a complete list of videos, visit our video library