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// Given :-
W = 410.00 // net work output in kj claimed
Q = 1000.00 // energy input by heat transfer in kj
Tc = 300.00 // temperature of cold reservoir in kelvin
TH = 500.00 // temperature of hot reservoir in kelvin
// Calculations
eta = W/Q // thermal efficiency
etamax = 1-(Tc/TH)
// Results
printf( ' Eta = %.4f',eta)
printf( ' Etamax = %.4f',etamax)
printf( ' Since eta is more than etamax, the claim is not authentic')
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