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

Author Question: How can an air-source heat pump heat when the outdoor temperature is cold? A) All heating is ... (Read 55 times)

809779

  • Hero Member
  • *****
  • Posts: 579
on: Jul 24, 2018
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
Reply #1 on: Jul 24, 2018
Answer to Question 1

D

Answer to Question 2

B


809779

  • Member
  • Posts: 579
Reply 2 on: Jul 24, 2018
Gracias!

tkempin

  • Member
  • Posts: 332
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

Did you know?

The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.

Did you know?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

Did you know?

Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

Optimum Temperature of Enzymes Optimum Temperature of Enzymes
Aquamatic pad and heating unit provide dry heat treatment to a patient’s arm. Aquamatic pad and heating unit provide dry heat treatment to a patient’s arm.
The level in the coolant recovery system raises and lowers with engine temperature. The level in the coolant recovery system raises and lowers with engine temperature.
Controls of Temperature Controls of Temperature
How much heat is released when 115 g of steam at 100.0C is cooled to ice at -15.0C? The ... How much heat is released when 115 g of steam at 100.0C is cooled to ice at -15.0C? The ...
The temperature of an average lightning bolt is 3.0 x 104 °C. What is the equiva The temperature of an average lightning bolt is 3.0 x 104 °C. What is the equiva
Video: Knee Animation

For a complete list of videos, visit our video library