This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A system using R-404a has an evaporation temperature of 20F. If the line length is 100 ft and a 7/8 ... (Read 20 times)

jCorn1234

  • Hero Member
  • *****
  • Posts: 545
on: Jul 27, 2018
A system using R-404a has an evaporation temperature of 20F. If the line length is 100 ft and a 7/8 in line is used, what is the maximum capacity of the system?
 
  A) 2 tons B) 3 tons C) 2.5 tons D) 1.5 tons

Question 2

The hot gas lines need to be insulated:
 
  A) Always.
  B) If they are exposed to cold temperatures that could cause the refrigerant to condense in the line.
  C) For systems using HFC refrigerants.
  D) Never.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

sultansheikh

  • Sr. Member
  • ****
  • Posts: 335
Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

B


jCorn1234

  • Member
  • Posts: 545
Reply 2 on: Jul 27, 2018
Gracias!

meganmoser117

  • Member
  • Posts: 303
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

Did you know?

The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Cyanobacteria of the (a) genus Synechococcus form (b) mats that line hot springs around the world. Cyanobacteria of the (a) genus Synechococcus form (b) mats that line hot springs around the world.
Male Reproductive System Male Reproductive System
Evaporation of a Black Hole Evaporation of a Black Hole
Primary Glands of the Endocrine System Primary Glands of the Endocrine System
The Global Positioning System determines the location of an object from its distances to ... The Global Positioning System determines the location of an object from its distances to ...
The Digestive System The Digestive System
Video: Medullary osmotic gradient: countercurrent multiplier, urea recycling & vasa recta countercurrent exchange

For a complete list of videos, visit our video library