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

Author Question: What type of vent is used with 80 percent Category I furnaces? A) Type B double-wall gas vent B) ... (Read 56 times)

darbym82

  • Hero Member
  • *****
  • Posts: 570
What type of vent is used with 80 percent Category I furnaces?
 
  A) Type B double-wall gas vent
  B) 90 percent efficiency furnaces do not require a vent.
  C) PVC
  D) Single-wall stainless steel

Question 2

What is the RPM of a fan that uses a 4 in motor pulley, 8 in fan pulley, and a motor RPM of 1,750?
 
  A) 1,250 B) 875 C) 750 D) 500



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kescobar@64

  • Sr. Member
  • ****
  • Posts: 324
Answer to Question 1

A

Answer to Question 2

B




darbym82

  • Member
  • Posts: 570
Reply 2 on: Jul 24, 2018
Excellent


samiel-sayed

  • Member
  • Posts: 337
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

Did you know?

Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Did you know?

There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

For a complete list of videos, visit our video library