(a)
The efficiency of the
(a)
Answer to Problem 44P
The efficiency of heat engine to that of an ideal engine is
Explanation of Solution
Given:
The given that heat reservoirs at
Formula used:
Apply the efficiency formula to determine the efficiency of the heat engine.
Calculation:
The efficiency of the ideal engine is,
Therefore, the efficiency of the heat engine to that of an ideal engine is
(b)
The total entropy change of the universe per cycle of the real engine.
(b)
Answer to Problem 44P
The total entropy change of the universe per cycle of the real engine is
Explanation of Solution
Given:
The given that heat reservoirs at
Formula used:
Apply the efficiency formula to determine the efficiency of the actual engine
Calculation:
Calculate the efficiency of the actual engine
Therefore, the total entropy change of the universe per cycle of the real engine is
(c)
The total entropy change of the universe per cycle of a Carnot engine operating between the same two temperatures
(c)
Answer to Problem 44P
The total entropy change of the universe per cycle of a Carnot engine operating between the same two temperatures is
Explanation of Solution
Given:
The given expression is that heat reservoirs at
Formula used:
Apply the efficiency formula to determine the efficiency of the Carnot engine
Calculation:
Calculate the total entropy of the Carnot engine operating between the same two temperatures.
Therefore, the total entropy change of the universe per cycle of a Carnot engine operating between the same two temperatures is
Chapter 15 Solutions
Physics: Principles with Applications
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