Question
Question: Two heat engines A and B have their sources at 1000 K and 1100 K and their sinks are at 500 K and 40...
Two heat engines A and B have their sources at 1000 K and 1100 K and their sinks are at 500 K and 400 K respectively. What is true about their efficiencies?
A
hA = hB
B
hA>hB
C
hA<hB
D
Cannot predict.
Answer
hA<hB
Explanation
Solution
hA = 1 – 1000500 ;hB = 1 – 1100400 hA < hB