A heat pump has a COP of 2 using a power input of 2 kW. Its low temperature is To and high temperature is 80°C, with an ambient at To. Find the second law efficiency.

A heat pump has a COP of 2 using a power input of 2 kW. Its low tempe

1.	A heat pump has a COP of 2 using a power input of 2 kW. Its low temperature is To and high temperature is 80°C, with an ambient at To. Find the second law efficiency.
A.	0.11
B.	0.41
C.	0.51
D.	0.31
Answer» E.