« previous next »

Author Question: Refrigeration oils must be miscible with the system refrigerant because: A) The system depends on ... (Read 111 times)

mspears3

  • Hero Member
  • *****
  • Posts: 586
on: Jul 24, 2018
Refrigeration oils must be miscible with the system refrigerant because:
 
  A) The system depends on the refrigerant to carry the oil throughout the system to lubricate all the refrigeration components.
  B) The compressor cannot operate properly without liquid refrigerant in the crankcase.
  C) The system depends on the refrigerant to return the oil to the compressor.
  D) The system depends on the oil to return the refrigerant to the compressor.

Question 2

Automatic expansion valves are similar in operating concept to:
 
  A) Manual valves. B) Electronic expansion valves.
  C) Fixed restrictions. D) Pressure regulators.


Shshxj

  • Sr. Member
  • ****
  • Posts: 335
Reply #1 on: Jul 24, 2018
Answer to Question 1

C

Answer to Question 2

D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

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?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

The conduction system of the heart; traces the path of the electrical impulse that stimulates the he The conduction system of the heart; traces the path of the electrical impulse that stimulates the he
Common Pathological Conditions of the Integumentary System Common Pathological Conditions of the Integumentary System
The experimental system that permits observation of rotation in the F1 component of F1F0 ATP synthas The experimental system that permits observation of rotation in the F1 component of F1F0 ATP synthas
Soil as a system Soil as a system
Overview of the Solar System Overview of the Solar System
Primary Glands of the Endocrine System Primary Glands of the Endocrine System
Video: Blood Test Basics

For a complete list of videos, visit our video library