« previous next »

Author Question: One difference between refrigerant piping practices for air-conditioning systems and refrigerant ... (Read 29 times)

Evvie72

  • Hero Member
  • *****
  • Posts: 519
on: Jul 27, 2018
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
Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Did you know?

The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

The Workout (Primary Conditioning Period) The Workout (Primary Conditioning Period)
Funeral Rituals and Practices among U.S. Cultural Groups Funeral Rituals and Practices among U.S. Cultural Groups
Classical-Conditioning Activity Classical-Conditioning Activity
Difference Between a Sidereal Month and a Synodic Month Difference Between a Sidereal Month and a Synodic Month
Systems of the Human Body Systems of the Human Body
A comparison of political systems A comparison of political systems
Video: Introduction to Breast Cancer

For a complete list of videos, visit our video library