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

Author Question: What is the difference between internally and externally equalized thermostatic expansion valves? ... (Read 75 times)

theo

  • Hero Member
  • *****
  • Posts: 698
on: Jul 26, 2018
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
Reply #1 on: Jul 26, 2018
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


theo

  • Hero Member
  • *****
  • Posts: 698
Reply #2 on: Jul 26, 2018
Thanks


Jossy

  • Sr. Member
  • ****
  • Posts: 336
Reply #3 on: Jul 26, 2018
Welcome :)


« previous next »
 

Did you know?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

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?

Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

Did you know?

Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

Positron emission tomography (PET) image showing the difference in the metabolic activity of the bra Positron emission tomography (PET) image showing the difference in the metabolic activity of the bra
Brachial Plexus drawing plus the difference in the forearm Brachial Plexus drawing plus the difference in the forearm
Capillaries act as bridges between the arteries and veins. Valves in the veins prevent backflow as ... Capillaries act as bridges between the arteries and veins. Valves in the veins prevent backflow as ...
Shutoff valves must be used on vehicles equipped with plastic fuel lines to isolate the cause of a ... Shutoff valves must be used on vehicles equipped with plastic fuel lines to isolate the cause of a ...
Resting Membrane Potential: Voltage Difference Resting Membrane Potential: Voltage Difference
Video: Causes of Acne

For a complete list of videos, visit our video library