« previous next »

Author Question: Why are there thin metal fins located on the tubes of evaporators and condensers on PTAC units? ... (Read 144 times)

fahad

  • Hero Member
  • *****
  • Posts: 570
on: Jul 26, 2018
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
Reply #1 on: Jul 26, 2018
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

fahad

  • Hero Member
  • *****
  • Posts: 570
Reply #2 on: Jul 26, 2018
Thank you!


duy1981999

  • Sr. Member
  • ****
  • Posts: 341
Reply #3 on: Jul 26, 2018
Always glad to help...


« previous next »
 

Did you know?

Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Did you know?

Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Did you know?

The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.

Vasectomy. (a) Vas deferens is located within the spermatic cord on both sides. (b) A small incision Vasectomy. (a) Vas deferens is located within the spermatic cord on both sides. (b) A small incision
Electron micrograph of pre-rRNA transcription units from the nucleolus of a frog Electron micrograph of pre-rRNA transcription units from the nucleolus of a frog
Common skin signs are often evidence of an illness or disorder. A scale is a thin, dry flake of ... Common skin signs are often evidence of an illness or disorder. A scale is a thin, dry flake of ...
Vacutainer evacuated specimen tubes with Hemogard closure blood collection tubes. Vacutainer evacuated specimen tubes with Hemogard closure blood collection tubes.
Some vehicles use a surge tank, which is located at the highest level of the cooling system, with ... Some vehicles use a surge tank, which is located at the highest level of the cooling system, with ...
A piece of glass has a thin film of gasoline floating on it. A beam of light is shining ... A piece of glass has a thin film of gasoline floating on it. A beam of light is shining ...
Video: Methods of carbon dioxide transport - carbaminohemoglobin and bicarbonate ions

For a complete list of videos, visit our video library