# What is the answer? question 1

What is the answer?  Thermodynamics question 1

Today’s question is a quick thermodynamics question.  Here we go…

A refrigerator has a coefficient of performance of 6.0 and the room temperature outside the refrigerator is 28 degrees Celsius.  The lowest temperature (in Celsius) that can be obtained inside the refrigerator is:

A.  5

B.  -10

C.  -15

D.  12

Work the problem and see if you can find the correct answer.  Give a comment below with the answer once you are done.  Also, share this with other so that more people get the practice.  Once you have done all of that… head on over to the Mechanical PE Academy Facebook page, where you will get updates and exclusive content.

### 20 comments on “What is the answer? question 1”

1. B (-10)

2. -15

3. option C (i.e. – 15 degree Celsius)

4. -15 Celsius

5. -15

6. I follow the crowd

7. Beta=1/[(TH/TL)-1]
6=1/[((28+273=301)/TL)-1]
-> TL=-15 C

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11. -15

12. the answer -15

13. -15 DegC

14. -15

15. Wohh just what I was looking for, thankyou for posting.

16. -15

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