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 temper

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.