An inventor claims to have developed an engine that takes in (100 mathrm{MJ}) of heat at (400
Question:
An inventor claims to have developed an engine that takes in \(100 \mathrm{MJ}\) of heat at \(400 \mathrm{~K}\), rejects \(40 \mathrm{MJ}\) of heat at \(200 \mathrm{~K}\), and delivers \(15 \mathrm{kWh}\) of mechanical work. The claim of the inventor is
(a) True
(b) False
(c) Invalid
(d) None of these
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