Question

Which is not a characteristic of a heat pump?

A. It is used in air conditioners.
B. It uses a refrigerant.
C. It requires no work.
D. It reverses the normal flow of thermal energy.

Answer 1

the answer is c. it requires no works

Answer 2

Hello :)

The answer would be C. It requires no work.

Heat pumps transfer heat to cooler areas to keep things cold, and are most common in refrigerators and air conditioners.