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

Author Question: A residential A/C system that cools in summer and heats in winter by reversing the flow of ... (Read 91 times)

mspears3

  • Hero Member
  • *****
  • Posts: 586
A residential A/C system that cools in summer and heats in winter by reversing the flow of refrigerant is called a:
 
  A) PTAC system. B) Stand-alone A/C system.
  C) Window unit. D) Heat pump.

Question 2

To prevent the spread of smoke and fire, fire dampers are designed to close:
 
  A) Manually.
  B) Using the NO contacts of the fire alarm relay.
  C) Automatically.
  D) All the time except when the system is operating.



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
Answer to Question 1

D

Answer to Question 2

C




mspears3

  • Member
  • Posts: 586
Reply 2 on: Jul 24, 2018
YES! Correct, THANKS for helping me on my review


debra928

  • Member
  • Posts: 342
Reply 3 on: Yesterday
Excellent

 

Did you know?

Thyroid conditions may make getting pregnant impossible.

Did you know?

Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Did you know?

Signs and symptoms that may signify an eye tumor include general blurred vision, bulging eye(s), double vision, a sensation of a foreign body in the eye(s), iris defects, limited ability to move the eyelid(s), limited ability to move the eye(s), pain or discomfort in or around the eyes or eyelids, red or pink eyes, white or cloud spots on the eye(s), colored spots on the eyelid(s), swelling around the eyes, swollen eyelid(s), and general vision loss.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

For a complete list of videos, visit our video library