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 110 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
Wow, this really help

nyrave

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

« previous next »
 

Did you know?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
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?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

Did you know?

Asthma cases in Americans are about 75% higher today than they were in 1980.

Using a sphygmomanometer to measure blood pressure. Using a sphygmomanometer to measure blood pressure.
Average optimal blood pressure for age Average optimal blood pressure for age
If the vacuum hose is removed from the fuel-pressure regulator when the engine is running, the ... If the vacuum hose is removed from the fuel-pressure regulator when the engine is running, the ...
A demand delivery system uses a fuel-pressure regulator attached to the fuel pump assembly inside ... A demand delivery system uses a fuel-pressure regulator attached to the fuel pump assembly inside ...
Effleurage to transition to lower leg-distal to proximal. Apply effleurage with moderate pressure to ... Effleurage to transition to lower leg-distal to proximal. Apply effleurage with moderate pressure to ...
Blood pressure cuffs are available in various types and sizes for infants and children Blood pressure cuffs are available in various types and sizes for infants and children
Video: Regulation of GFR: autoregulation via myogenic mechanism Myogenic mechanism

For a complete list of videos, visit our video library