« previous next »

Author Question: Refrigeration oils must be miscible with the system refrigerant because: A) The system depends on ... (Read 132 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?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Did you know?

Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

(a) The relative age ranges of different dating techniques depend upon the half-life of the system u (a) The relative age ranges of different dating techniques depend upon the half-life of the system u
Procedures and Diagnostic Tests Related to the Endocrine System Procedures and Diagnostic Tests Related to the Endocrine System
Relationship of the lymphatic system to the cardiovascular system. Relationship of the lymphatic system to the cardiovascular system.
How to solve a linear system with three unknowns using substitution (Question 2 of 2) How to solve a linear system with three unknowns using substitution (Question 2 of 2)
The carnitine acyltransferase system, for transport of fatty acyl-CoAs into mitochondria The carnitine acyltransferase system, for transport of fatty acyl-CoAs into mitochondria
The Digestive System The Digestive System
Video: Structure of Amino Acid, Peptide Bonds & Polypeptides

For a complete list of videos, visit our video library