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

Author Question: How is entropy defined in refrigeration? A) Entropy is the ratio of absolute pressure to absolute ... (Read 75 times)

burchfield96

  • Hero Member
  • *****
  • Posts: 610
How is entropy defined in refrigeration?
 
  A) Entropy is the ratio of absolute pressure to absolute temperature.
  B) Entropy is the ratio of heat content to absolute temperature.
  C) Entropy is the amount of heat remaining after subtracting the heat of compression from the enthalpy.
  D) Entropy is the total amount of heat in the refrigerant.

Question 2

A system using R-404a has an evaporation temperature of 0F. If the line length is 100 ft and the system needs a capacity of 2 tons, what size line should be used?
 
  A) 1-1/8 in B) 7/8 in C) 5/8 in D) 3/4 in



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

mammy1697

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

B

Answer to Question 2

B




burchfield96

  • Member
  • Posts: 610
Reply 2 on: Jul 24, 2018
Wow, this really help


smrtceo

  • Member
  • Posts: 344
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Did you know?

This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

Did you know?

In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

For a complete list of videos, visit our video library