Author Question: One difference between refrigerant piping practices for air-conditioning systems and refrigerant ... (Read 44 times)

Evvie72

  • Hero Member
  • *****
  • Posts: 519
One difference between refrigerant piping practices for air-conditioning systems and refrigerant piping practices for commercial refrigeration systems is that:
 
  A) The suction lines on air-conditioning systems do not require insulating because of their higher temperature.
  B) Most commercial refrigeration system manufacturers do not recommend oil traps.
  C) Most air-conditioning manufacturers do not recommend oil traps.
  D) Suction lines are typically larger for air-conditioning applications for the same capacity of commercial refrigeration systems.

Question 2

Single-phase AC power is used:
 
  A) Only in commercial buildings. B) In both residential and commercial buildings.
  C) Only in Europe. D) Only in residences.



robbielu01

  • Sr. Member
  • ****
  • Posts: 336
Answer to Question 1

C

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

Did you know?

Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

Did you know?

Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

For a complete list of videos, visit our video library