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

Author Question: How can an air-source heat pump heat when the outdoor temperature is cold? A) All heating is ... (Read 78 times)

809779

  • Hero Member
  • *****
  • Posts: 579
How can an air-source heat pump heat when the outdoor temperature is cold?
 
  A) All heating is accomplished with electrical resistance heaters, so the air temperature is irrelevant.
  B) Air-source heat pumps only use the outdoor air in the cooling season.
  C) The friction of the air passing over the outdoor coil raises the temperature.
  D) All molecules contain some heat until they reach absolute zero (-460F).

Question 2

________ are available for integration in communicating control systems.
 
  A) Air cleaners, dishwashers, and refrigerators
  B) Zoning boards, humidifiers, and air cleaners
  C) Blowers, kitchen appliances, and entertainment systems
  D) Humidifiers, video games, and audio systems



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Jsherida

  • Sr. Member
  • ****
  • Posts: 314
Answer to Question 1

D

Answer to Question 2

B




809779

  • Member
  • Posts: 579
Reply 2 on: Jul 24, 2018
Thanks for the timely response, appreciate it


cdmart10

  • Member
  • Posts: 332
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

For a complete list of videos, visit our video library