Author Question: Why are there thin metal fins located on the tubes of evaporators and condensers on PTAC units? ... (Read 134 times)

fahad

  • Hero Member
  • *****
  • Posts: 570
Why are there thin metal fins located on the tubes of evaporators and condensers on PTAC units?
 
  What will be an ideal response?

Question 2

How should used refrigerants and refrigerant oils be disposed of?
 
  What will be an ideal response?



duy1981999

  • Sr. Member
  • ****
  • Posts: 341
Answer to Question 1

To increase surface area and heat transfer.

Answer to Question 2

They must be taken to a state or locally approved recycler that specializes in used refrigerants and used refrigerant oils.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

Did you know?

The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

For a complete list of videos, visit our video library