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

Author Question: How is entropy defined in refrigeration? A) Entropy is the ratio of absolute pressure to absolute ... (Read 49 times)

burchfield96

  • Hero Member
  • *****
  • Posts: 610
on: Jul 24, 2018
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
Reply #1 on: Jul 24, 2018
Answer to Question 1

B

Answer to Question 2

B


burchfield96

  • Member
  • Posts: 610
Reply 2 on: Jul 24, 2018
:D TYSM

yeungji

  • Member
  • Posts: 319
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

Did you know?

The average adult has about 21 square feet of skin.

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

Did you know?

The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

The sounds auscultated during blood pressure measurement The sounds auscultated during blood pressure measurement
Measuring Pressure: Mercury Barometers Measuring Pressure: Mercury Barometers
Correct alignment for stacking the joints to apply thumb pressure to acupoints. Correct alignment for stacking the joints to apply thumb pressure to acupoints.
Thumb petrissage and direct fingertip pressure along iliac crest to muscle attachments. Thumb petrissage and direct fingertip pressure along iliac crest to muscle attachments.
Palpating for rebound tenderness: Rapid release of pressure Palpating for rebound tenderness: Rapid release of pressure
Physics - Pressure, Density, Pascal's Principle Physics - Pressure, Density, Pascal's Principle
Video: Structures that affect circulation - heart and MABP

For a complete list of videos, visit our video library