Calculate the heat-rejection temperature

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Reference no: EM13717615

An internally reversible heat engine has a thermal efficiency of 60 percent, with 600 kJ/cycle of heat transfer added at a temperature of 447 C. Calculate

a. The heat-rejection temperature, in degrees Celsius, and

b. The heat transfer rejected, in kJ/cycle.

For the same values of QH and TH, if an irreversible heat engine rejects 420 kJ/cycle,

c. Find its thermal efficiency.

Reference no: EM13717615

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