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 278 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?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

Did you know?

Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.

Did you know?

In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

Did you know?

Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.

For a complete list of videos, visit our video library