Question

What are source and sink temperatures?

Answer 1

source

a place, person or thing where something comes or starts from or where something is obtained

sink temperature

heat transferred from a heat source to a sink is used to raise the temperature of the sink while that of the source falls, until the temperatures are equal and no more heat can be transferred. When heat is converted into work, the temperature of the heat source falls, approaching that of the heat sink.

Answer 2

source :

is a place where something is obtained

sink temperature :

It refers to the temperature of the reference frame that is held at a giventemperature. A cold glass of beer in a room, the sink temperature is roomtemp.