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

Author Question: Why can oil furnaces operate at efficiencies between 80 and 90 without condensing water in the heat ... (Read 69 times)

@Brianna17

  • Hero Member
  • *****
  • Posts: 550
on: Jul 26, 2018
Why can oil furnaces operate at efficiencies between 80 and 90 without condensing water in the heat exchanger or vent?
 
  What will be an ideal response?

Question 2

Why are most furnaces manufactured today either Category I or Category IV furnaces?
 
  What will be an ideal response?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

nikmaaacs

  • Sr. Member
  • ****
  • Posts: 335
Reply #1 on: Jul 26, 2018
Answer to Question 1

The combustion products contain only half as much water as combustion products from a gas furnace. So the dew point of the combustion gasses in an oil furnace is lower than in a gas furnace.

Answer to Question 2

The venting materials for Categories II and III are costly.


@Brianna17

  • Member
  • Posts: 550
Reply 2 on: Jul 26, 2018
Thanks for the timely response, appreciate it

cdmart10

  • Member
  • Posts: 332
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

Philippine Spider Water Beetle Philippine Spider Water Beetle
Mean atmospheric water vapor Mean atmospheric water vapor
Surface Water Resources Surface Water Resources
Municipal Water Treatment Plant Municipal Water Treatment Plant
A turbocharger uses some of the heat energy that would normally be wasted. A turbocharger uses some of the heat energy that would normally be wasted.
Apply the heat source, and ask for immediate feedback on the heat intensity felt by the recipient. ... Apply the heat source, and ask for immediate feedback on the heat intensity felt by the recipient. ...
Video: Introduction to Tuberculosis

For a complete list of videos, visit our video library