This topic contains a solution. Click here to go to the answer

Author Question: What is the difference between internally and externally equalized thermostatic expansion valves? ... (Read 78 times)

theo

  • Hero Member
  • *****
  • Posts: 698
What is the difference between internally and externally equalized thermostatic expansion valves?
 
  What will be an ideal response?

Question 2

An electric furnace has a minimum circuit ampacity rating of 50 amps. What is the minimum current rating for the disconnect switch?
 
  What will be an ideal response?



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Jossy

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

Internally equalized valves obtain the evaporator pressure through a passageway inside the valve. Externally equalized valves obtain evaporator pressure through a separate line that runs from the valve to the suction line.

Answer to Question 2

50 amps x 1.15 = 57.5amps





 

Did you know?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

Did you know?

Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

Did you know?

The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").

Did you know?

More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.

Did you know?

The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

For a complete list of videos, visit our video library