An inventor claims to have developed an engine that takes in (100 mathrm{MJ}) of heat at (400

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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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