The thermodynamic cycle in which heat is transferred to the system and work is transferred from the system.

The thermodynamic cycle in which a net heat is transferred to the system and a net work is transferred from the system is called as


a. refrigeration cycle
b. heat engine cycle
c. both a. and b.
d. none of the above

Correct Answer : b. heat engine cycle

Explanation :

Heat engine can be considered as gas confined in a piston cylinder arrangement. Consider the following heat engine,



The heat Q1 is transferred to the system and work W1 is done by the system. Then system is taken to its initial position by applying work W2 on the piston and heat Q2 is rejected from the system. This is the heat engine cycle. In heat engine cycle, a net heat is transferred to the system and a net work is transferred from the system.
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