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

Author Question: How does a closed expansion tank work? A) It uses a flexible diaphragm with an air charge above ... (Read 75 times)

danielfitts88

  • Hero Member
  • *****
  • Posts: 535
on: Jul 24, 2018
How does a closed expansion tank work?
 
  A) It uses a flexible diaphragm with an air charge above the diaphragm.
  B) The walls of the tank are made of a flexible material.
  C) The top of the tank is open to the atmosphere.
  D) Air is trapped at the top of the tank.

Question 2

How is the tubing used in ground-source systems joined?
 
  A) Flare fittings B) CPVC cement C) Threaded fittings D) Thermal fusion


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

javimendoza7

  • Sr. Member
  • ****
  • Posts: 293
Reply #1 on: Jul 24, 2018
Answer to Question 1

D

Answer to Question 2

D


danielfitts88

  • Member
  • Posts: 535
Reply 2 on: Jul 24, 2018
YES! Correct, THANKS for helping me on my review

connor417

  • Member
  • Posts: 329
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

Did you know?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

After adjusting the valves that are closed, rotate the engine one full rotation until the engine ... After adjusting the valves that are closed, rotate the engine one full rotation until the engine ...
Measure between terminal 30 and 87a. Terminal 87a is the normally closed contact, and there should ... Measure between terminal 30 and 87a. Terminal 87a is the normally closed contact, and there should ...
Typical Work Settings for Massage Therapists Typical Work Settings for Massage Therapists
Crystal structures of SecY complex in “closed” and “open” conformations Crystal structures of SecY complex in “closed” and “open” conformations
Work is done by an external agent Work is done by an external agent
What is the maximum velocity (in km/s) of a photoelectron emitted from a surface whose work ... What is the maximum velocity (in km/s) of a photoelectron emitted from a surface whose work ...
Video: Sperm Formation

For a complete list of videos, visit our video library