Question

Draw and explain the steps involved in Carnot cycle.

Answer 1

For diagram of Carnot cycle visit the link given: https://i.stack.imgur.com/h2ls1.png

Step 1-2 is an adiabatic compression, so there is no heat exchange, $dQ=0$

Step 2-3 is an isothermal expansion and the heat entering is $dQ_h$

Step 3-4 is an adiabatic expansion, so there is no heat exchange, $dQ=0$

Step 4-1 is an isothermal compression and the heat exiting is $dQ_c$