« previous next »

Author Question: How do mixing valves save energy? A) By reusing loop water for domestic hot water B) By ... (Read 189 times)

vHAUNG6011

  • Hero Member
  • *****
  • Posts: 514
on: Jul 24, 2018
How do mixing valves save energy?
 
  A) By reusing loop water for domestic hot water
  B) By delivering only enough heat to the loop to meet the load
  C) By maintaining a hot loop regardless of outdoor temperature
  D) By mixing costly boiler water with inexpensive domestic hot water

Question 2

A heat pump outdoor unit is installed:
 
  A) Directly on the ground.
  B) On a concrete pad.
  C) On a raised platform above the snow line.
  D) In an excavation whose bottom is below the frost line.


wergv

  • Sr. Member
  • ****
  • Posts: 365
Reply #1 on: Jul 24, 2018
Answer to Question 1

B

Answer to Question 2

C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

vHAUNG6011

  • Hero Member
  • *****
  • Posts: 514
Reply #2 on: Jul 24, 2018
Thank you!


wergv

  • Sr. Member
  • ****
  • Posts: 365
Reply #3 on: Jul 24, 2018
Always glad to help...


« previous next »
 

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Did you know?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

Role of binding energy in catalysis Role of binding energy in catalysis
The Importance of Water The Importance of Water
Ocean water flows vertically and horizontally, influencing climate Ocean water flows vertically and horizontally, influencing climate
The Best Way to Meet Your Daily Water Needs The Best Way to Meet Your Daily Water Needs
The Distribution of Water on Earth The Distribution of Water on Earth
The water cycle The water cycle
Video: DNA fingerprinting Animation

For a complete list of videos, visit our video library