You have a PV diagram for a device going through a cyclic process forming a closed loop on the diagram.How can you tell from the diagram whether the device is acting as a heat engine and not as a refrigerator?
A)The loop is longer than it is high which means it is acting as a refrigerator.
B)The loop is higher than it is long which means it is acting as a refrigerator.
C)The loop proceeds clockwise which means it is acting as a heat engine.
D)The loop proceeds counterclockwise which means it is acting as a heat engine.

Question

Quizplus · Accepted Answer

The direction of the loop on a PV diagram indicates the type of device. A clockwise loop indicates that the device is acting as a heat engine, converting heat into work.

You Have a PV Diagram for a Device Going Through