« previous next »

Author Question: What is the major problem with using wall cavities for ductwork? A) air moving through a wall ... (Read 31 times)

awywial

  • Hero Member
  • *****
  • Posts: 577
on: Jul 27, 2018
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
Reply #1 on: Jul 27, 2018
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
Reply #2 on: Jul 27, 2018
Both answers were spot on, thank you once again


mcarey591

  • Sr. Member
  • ****
  • Posts: 365
Reply #3 on: Jul 27, 2018
Great! Please up vote :D


« previous next »
 

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?

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

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?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Did you know?

There are more nerve cells in one human brain than there are stars in the Milky Way.

Posterior view of major muscles. Posterior view of major muscles.
Classification of Antidepressants: Treatment of Major Depressive Disorder Classification of Antidepressants: Treatment of Major Depressive Disorder
Major control mechanisms affecting glycolysis and gluconeogenesis Major control mechanisms affecting glycolysis and gluconeogenesis
Gravitational Force Due to a Distribution of Mass problem 2 Gravitational Force Due to a Distribution of Mass problem 2
Markets and Institutions Market Story Problem Markets and Institutions Market Story Problem
linear programming problem, applying simplex method and sensitivity analysis linear programming problem, applying simplex method and sensitivity analysis
Video: Pasteur's Experiment

For a complete list of videos, visit our video library