Answer
C
Work Step by Step
From the definitions:
$\eta_{rev}=1-\dfrac{T_L}{T_H}=\dfrac{\dot{W}_{max}}{\dot{Q}_{in}}$
Given $T_L=300\ K,\ T_H=1300\ K,\ \dot{Q}_{in}=500\ kJ/s$
$\dot{W}_{max}=384.6\ kW$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.