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A heat engine is a device which converts heat energy into work.1. What is the working substance in an ideal heat engine.2. A Carnot engine is working between in melting point and steam point. What is its efficiency? |
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Answer» 1. Ideal gas. 2. T2 = 0°C = 273K T1 = 100°C = 373K Efficiency η = I – \(\frac{T_2}{T_1}\) = I−\(\frac{273}{373}\) η = 0.27 η = 27%. |
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