« previous next »

Author Question: One difference between refrigerant piping practices for air-conditioning systems and refrigerant ... (Read 58 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?

Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

Did you know?

If you could remove all of your skin, it would weigh up to 5 pounds.

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

Global positioning systems determine latitude, longitude, and altitude by measuring the distance fro Global positioning systems determine latitude, longitude, and altitude by measuring the distance fro
Three Tissue Systems Extend Throughout the Plant Body Three Tissue Systems Extend Throughout the Plant Body
Types of Electrical Potentials in Biological Systems Types of Electrical Potentials in Biological Systems
Systems Analysis and Design, 10th Edition Systems Analysis and Design, 10th Edition
Respiratory system, Urinary and Nervous systems Respiratory system, Urinary and Nervous systems
Sheridan Motors is a car dealership that would like to investigate if there is a difference in ... Sheridan Motors is a car dealership that would like to investigate if there is a difference in ...
Video: Chromosome structural organization/ Mechanisms for chromosome movement Animation

For a complete list of videos, visit our video library