This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: What type of vent is used with 80 percent Category I furnaces? A) Type B double-wall gas vent B) ... (Read 64 times)

darbym82

  • Hero Member
  • *****
  • Posts: 570
on: Jul 24, 2018
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
Reply #1 on: Jul 24, 2018
Answer to Question 1

A

Answer to Question 2

B


darbym82

  • Member
  • Posts: 570
Reply 2 on: Jul 24, 2018
Thanks for the timely response, appreciate it

robbielu01

  • Member
  • Posts: 336
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

Did you know?

Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Did you know?

The longest a person has survived after a heart transplant is 24 years.

Did you know?

A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

For linked genes, recombinant frequencies are less than 50 percent For linked genes, recombinant frequencies are less than 50 percent
Proposed structure for keratin-type intermediate filaments Proposed structure for keratin-type intermediate filaments
The types of topological interconversions catalyzed by type II topoisomerases The types of topological interconversions catalyzed by type II topoisomerases
A pathway for homologous recombination to repair DNA double-strand breaks A pathway for homologous recombination to repair DNA double-strand breaks
Wild-type flowers of Arabidopsis Wild-type flowers of Arabidopsis
For each chromosome type in the body, there are two copies. One is from the mother, and one is from For each chromosome type in the body, there are two copies. One is from the mother, and one is from
Video: Immune responses Animation

For a complete list of videos, visit our video library