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A machine follow Carnot which is working between the temperatures TL = 45.9 0 C and...

A machine follow Carnot which is working between the temperatures TL = 45.9 0
C and
TH = 698.7 0
C. The engine performs 1423 J of work each cycle which takes 0.32 sec.
a. What is the efficiency of this machine?
b. What is the average power of this machine?
c. How much heat is extracted from the high-T reservoir each cycle?
d. Explain the loss of power and how to optimize it?

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