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 60 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
Thanks for the timely response, appreciate it


matt95

  • Member
  • Posts: 317
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

Did you know?

Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

For a complete list of videos, visit our video library