Why does a heat engine not violate the Kelvin-Planck statement?

[neelakash]

Homework Statement

In the operation of a heat engine there is a heat flow out of a reservoir and a mechanical work W is done.Explain why this process does not violate the Kelvin Planck statement of the 2nd law.

Homework Equations

The Attempt at a Solution

My attempts:Please check if I am correct

Because in addition to the hot reservoir from which heat flows into
the system, the heat engine also discards heat into a second colder
reservoir during its cycle. Thus, it uses the second reservoir required
by the Kelvin Planck statement.

 

[siddharth]

Yes.
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