Author Question: What is the major problem with using wall cavities for ductwork? A) air moving through a wall ... (Read 48 times)

awywial

  • Hero Member
  • *****
  • Posts: 577
What is the major problem with using wall cavities for ductwork?
 
  A) air moving through a wall cavity makes a lot of noise
  B) Installing registers and grilles on wall spaces used for ducts is difficult
  C) Using a wall cavity is generally less convenient than running ductwork
  D) It is nearly impossible to make the cavity air tight

Question 2

There are many methods of insulating metal ductwork. Which of the following methods is NOT used to insulate ducts
 
  A) Bubble outer wrap or liner B) Fiberglass liner
  C) Spray on urethane foam D) Fiberglass outerwrap with vapor barrier



mcarey591

  • Sr. Member
  • ****
  • Posts: 365
Answer to Question 1

D

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

awywial

  • Hero Member
  • *****
  • Posts: 577
Both answers were spot on, thank you once again



mcarey591

  • Sr. Member
  • ****
  • Posts: 365

 

Did you know?

Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

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?

Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

For a complete list of videos, visit our video library