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

Author Question: Most hydronic heating systems are A) Open systems in cooling and closed systems in heating B) ... (Read 114 times)

tingc95

  • Hero Member
  • *****
  • Posts: 556
on: Jul 26, 2018
Most hydronic heating systems are
 
  A) Open systems in cooling and closed systems in heating
  B) Closed piping systems
  C) Closed systems in cooling and open in heating
  D) Open piping systems

Question 2

What is the purpose of a reverse return piping system?
 
  A) To operate a two pipe system like a one pipe system
  B) To keep the length of piping the same for each convector unit
  C) To allow the flow direction to be reversed for cooling
  D) To reduce the amount of piping required


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

bfulkerson77

  • Sr. Member
  • ****
  • Posts: 331
Reply #1 on: Jul 26, 2018
Answer to Question 1

B

Answer to Question 2

B


tingc95

  • Member
  • Posts: 556
Reply 2 on: Jul 26, 2018
Thanks for the timely response, appreciate it

fatboyy09

  • Member
  • Posts: 358
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

Did you know?

The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

An open fracture. An open fracture.
Flexible cooling fan blades change shape as the engine speed changes. Flexible cooling fan blades change shape as the engine speed changes.
Block open the throttle (and choke, if the engine is equipped with a carburetor). Here a screwdriver ... Block open the throttle (and choke, if the engine is equipped with a carburetor). Here a screwdriver ...
Major Wind Systems: Foehn, Chinook, and Santa Ana Winds Major Wind Systems: Foehn, Chinook, and Santa Ana Winds
Systems Analysis and Design, 10th Edition Systems Analysis and Design, 10th Edition
River Systems River Systems
Video: Haustral churning, Gastrocolic reflex and mass peristalsis & Defecation

For a complete list of videos, visit our video library