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

Author Question: A refrigerator has a coefficient of performance of 4 . If the refrigerator absorbs 30 cal of heat ... (Read 130 times)

cdr_15

  • Hero Member
  • *****
  • Posts: 546
on: Jul 28, 2018
A refrigerator has a coefficient of performance of 4 . If the refrigerator absorbs 30 cal of heat from the cold reservoir in each cycle, the heat expelled (in cal) into the heat reservoir is
 a. 40.5
  b. 37.5
  c. 36.5
  d. 34.5
  e. 22.5

Question 2

A heat pump has a coefficient of performance of 4 . If the heat pump absorbs 20 cal of heat from the cold outdoors in each cycle, the heat expelled (in cal) to the warm indoors is
 a. 34
  b. 27
  c. 36
  d. 40
  e. 80


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

deja

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Jul 28, 2018
Answer to Question 1

B

Answer to Question 2

B


cdr_15

  • Member
  • Posts: 546
Reply 2 on: Jul 28, 2018
Gracias!

matt95

  • Member
  • Posts: 317
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

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?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Did you know?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
TEN RULES OF PERFORMANCE IN A REDESIGNED HEALTH CARE SYSTEM TEN RULES OF PERFORMANCE IN A REDESIGNED HEALTH CARE SYSTEM
Excess heat capacity chart Excess heat capacity chart
Get feedback every 5 to 7 minutes about heat intensity. Add or subtract heat barriers to maintain ... Get feedback every 5 to 7 minutes about heat intensity. Add or subtract heat barriers to maintain ...
Denney's model ON actual level of performance on exercised and unexercised abilities Denney's model ON actual level of performance on exercised and unexercised abilities
Calculation of the inbreeding coefficient (F) Calculation of the inbreeding coefficient (F)
how much energy is needed to heat 77.0g H2O(s) from -10.0 C to 0.0 C? how much energy is needed to heat 77.0g H2O(s) from -10.0 C to 0.0 C?
Video: ribosome

For a complete list of videos, visit our video library