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

Author Question: Both the refrigerator and the heat pump take in heat and expel it at a higher temperature. Why don't ... (Read 78 times)

misspop

  • Hero Member
  • *****
  • Posts: 540
Both the refrigerator and the heat pump take in heat and expel it at a higher temperature. Why don't they have the same Coefficient of Performances?
 
  What will be an ideal response?

Question 2

The pressure in a gas is the result of the momentum transfer that occurs when the molecules bounce from the walls of the container.
 
  Indicate whether the statement is true or false



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ultraflyy23

  • Sr. Member
  • ****
  • Posts: 312
Answer to Question 1

The COP is what you want divided by what is costs. In a refrigerator you want the absorbed heat but in the heat pump you want the expelled heat. Hence the COPs are different.

Answer to Question 2

TRUE





 

Did you know?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Did you know?

Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

Did you know?

More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.

For a complete list of videos, visit our video library