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

Author Question: One principle that makes heat pump operation possible is: A) Moving heat quickly through a cold ... (Read 283 times)

Davideckstein7

  • Hero Member
  • *****
  • Posts: 555
One principle that makes heat pump operation possible is:
 
  A) Moving heat quickly through a cold object will create thermal induction, drawing in heat from the colder surroundings.
  B) Air velocity over a coil will create friction, raising the temperature of the coil.
  C) The temperature at which a material boils depends on its pressure.
  D) Heat will flow up hill when subjected to a strong magnetic field.

Question 2

A residential HVACR communicating control system includes (you may select more than one):
 
  A) A satellite uplink.
  B) A communicating thermostat or controller.
  C) Communicating equipment control boards.
  D) A dedicated wireless router made specifically for HVACR.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

tsternbergh47

  • Sr. Member
  • ****
  • Posts: 311
Answer to Question 1

C

Answer to Question 2

B, C



Davideckstein7

  • Hero Member
  • *****
  • Posts: 555
Both answers were spot on, thank you once again




 

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Did you know?

The average person is easily confused by the terms pharmaceutics and pharmacology, thinking they are one and the same. Whereas pharmaceutics is the science of preparing and dispensing drugs (otherwise known as the science of pharmacy), pharmacology is the study of medications.

Did you know?

Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

Did you know?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

For a complete list of videos, visit our video library