Kinetic Theory Of Gases Question 9
Question: In a mechanical refrigerator, the low temperature coils are at a temperature of $ -23{}^\circ C $ and the compressed gas in the condenser has a temperature of $ 27{}^\circ C $ . The theoretical coefficient of performance is
Options:
A) 5
B) 8
C) 6
D) 6.5
Show Answer
Answer:
Correct Answer: A
Solution:
[a] Coefficient of performance $ K=\frac{T _{2}}{T _{1}-T _{2}} $
$ =\frac{(273-23)}{(273+27)-(273-23)}=\frac{250}{300-250}=\frac{250}{20}=5 $
BETA
