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

Author Question: The duct that has the lowest resistance to airflow is _____. a. fiberglass ductboard b. metal ... (Read 74 times)

hubes95

  • Hero Member
  • *****
  • Posts: 561
The duct that has the lowest resistance to airflow is _____.
 
  a. fiberglass ductboard
  b. metal duct with duct liner
  c. metal duct with exterior duct wrap
  d. flexible duct

Question 2

The plastic or foil sleeve on the outside of a branch duct in a crawl space serves as _____.
 
  a. thermal insulation
  b. a vapor barrier
  c. a noise suppressor
  d. a fire retardant



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ms_sulzle

  • Sr. Member
  • ****
  • Posts: 320
Answer to Question 1

c

Answer to Question 2

b




hubes95

  • Member
  • Posts: 561
Reply 2 on: Jul 24, 2018
Wow, this really help


blakcmamba

  • Member
  • Posts: 335
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

Did you know?

People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

Did you know?

The cure for trichomoniasis is easy as long as the patient does not drink alcoholic beverages for 24 hours. Just a single dose of medication is needed to rid the body of the disease. However, without proper precautions, an individual may contract the disease repeatedly. In fact, most people develop trichomoniasis again within three months of their last treatment.

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.

Did you know?

Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

For a complete list of videos, visit our video library