engineering physics MCQ #2784

A Carnot engine operates between 300 K and 600 K. Its efficiency is

engineering physics MCQ #2784

  1. Question 1

    Q1. A Carnot engine operates between 300 K and 600 K. Its efficiency is

    • A) 50%
    • B) 60%
    • C) 40%
    • D) 30%

    Answer: 50%

    Explanation: Efficiency = 1 - (T_sink / T_source) = 1 - (300 / 600) = 0.5 or 50%.