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 62 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

debra928

  • Member
  • Posts: 342
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

Did you know?

Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

Did you know?

There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.

The term wasp is typically defined as any insect of the order Hymenoptera and suborder Apocrita that The term wasp is typically defined as any insect of the order Hymenoptera and suborder Apocrita that
Air pressure under water Air pressure under water
The common rail on a Cummins diesel engine. A high-pressure pump (up to 30,000 PSI) is used to ... The common rail on a Cummins diesel engine. A high-pressure pump (up to 30,000 PSI) is used to ...
A vane phaser is used to move the camshaft using changes of oil pressure from the oil control valve. A vane phaser is used to move the camshaft using changes of oil pressure from the oil control valve.
Apply direct thumb pressure into points along the upper trapezius from base of neck to shoulder. ... Apply direct thumb pressure into points along the upper trapezius from base of neck to shoulder. ...
Pressure Pressure
Video: Energy Flow - Trophic Levels and Food

For a complete list of videos, visit our video library