Answer
a) The contents deliver heat to the circuit of refrigeration. No work.
b) The heat is deliver to the room air by the condenser. Electrical work is being added.
c) The heat is transfer from the warm room air to the cold winter air. Electrical work is received.
Work Step by Step
a) The contents deliver heat to the circuit of refrigeration, it is the mission of the refrigerator to remove heat of the contents. No work is produced since the contents does not move.
b) The heat is deliver to the room air by the condenser, it receives heat from the contents in the evaporator and then delivers to the air. Electrical work is being added.at the compressor.
c) The heat is transfer from the warm room air to the cold winter air, the air of the room is warm because of the things and people inside it. Electrical work is received by all the components that works with electricity.
