This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Zone control is accomplished in hydronic systems using thermostats that activate: A) A zone ... (Read 71 times)

rachel9

  • Sr. Member
  • ****
  • Posts: 495
on: Jul 24, 2018
Zone control is accomplished in hydronic systems using thermostats that activate:
 
  A) A zone compressor for each zone. B) A zone boiler for each zone.
  C) A zone damper for each zone. D) A zone control valve for each zone.

Question 2

What efficiency advantage do water-source heat pump systems have over air-source heat pump systems?
 
  A) Water is a more efficient heat-transfer medium, and water temperatures are moderated by the earth.
  B) It takes less horsepower to pump water than air.
  C) Heat has more affinity for water than air.
  D) Water is a more efficient refrigerant than either R-22 or R-410A.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

chjcharjto14

  • Sr. Member
  • ****
  • Posts: 342
Reply #1 on: Jul 24, 2018
Answer to Question 1

D

Answer to Question 2

A


rachel9

  • Member
  • Posts: 495
Reply 2 on: Jul 24, 2018
Excellent

abro1885

  • Member
  • Posts: 337
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Did you know?

Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

Did you know?

Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

Did you know?

Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

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.

Gate Control Theory, Gate control, Open gate, Closed gate, Pain, Nerve transmission of pain, Pain ma Gate Control Theory, Gate control, Open gate, Closed gate, Pain, Nerve transmission of pain, Pain ma
Long Term Control Medications Long Term Control Medications
Area of the hypoxic in The Gulf of Mexico’s “Dead Zone” Area of the hypoxic in The Gulf of Mexico’s “Dead Zone”
Hormonal control over male and female reproductive hormones Hormonal control over male and female reproductive hormones
River Systems River Systems
Control of Respiration Control of Respiration
Video: Primary and secondary response to infection

For a complete list of videos, visit our video library