Épossível construir uma máquina que opere em ciclos e tenha rendimento de 100 por cento? justifique

No

Explanation:

The question in english is written below:

Is it possible to build a machine that operates in cycles and yields 100 percent? Justify

According to the second principle of thermodynamics:  

"The amount of entropy in the universe tends to increase over time"  

However the first formulation of this law (by Sadi Carnot) states:  

This means the heat cannot be completely transformed into mechanical energy in a machine. That is why a machine's effieciency is always less than 100%

im sorry i dont know