50. Engine A receives three times more input heat, produces fi ve timesmore work, and rejects two times more heat than engine B. Find the effi -ciency of (a) engine A and (b) engine B.
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50. Engine A receives three times more input heat, produces fi ve times
more work, and rejects two times more heat than engine B. Find the effi -
ciency of (a) engine A and (b) engine B.
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