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

Author Question: How is a concentric vent used in a high-efficiency furnace? A) It creates two close exit points ... (Read 39 times)

drink

  • Hero Member
  • *****
  • Posts: 554
How is a concentric vent used in a high-efficiency furnace?
 
  A) It creates two close exit points for the vent pipe and combustion air pipe.
  B) It allows a single outdoor exit point for the vent and combustion air pipe.
  C) It allows the vent pipe to combine with condensate drainage.
  D) It directs the combustion air pipe to an outdoor exit.

Question 2

Which of these technologies is NOT used in 80 percent furnaces?
 
  A) Adding induced draft combustion blowers B) Flattening and serpentining heat exchangers
  C) Adding a condensing recuperative coil D) Removing standing pilot lights



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

fdliggud

  • Sr. Member
  • ****
  • Posts: 366
Answer to Question 1

B

Answer to Question 2

C



drink

  • Hero Member
  • *****
  • Posts: 554
Both answers were spot on, thank you once again



fdliggud

  • Sr. Member
  • ****
  • Posts: 366

 

Did you know?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Did you know?

Limit intake of red meat and dairy products made with whole milk. Choose skim milk, low-fat or fat-free dairy products. Limit fried food. Use healthy oils when cooking.

Did you know?

Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.

For a complete list of videos, visit our video library