Questions
The efficiency of an ideal heat engine working between the freezing point and boiling point of water, is
a
26.8%
b
20%
c
6.25%
d
12.5%
detailed solution
Correct option is A
η=1−T2T1=1-273373=100373=0.268 η%=26.8%Talk to our academic expert!
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One of the most efficient engines ever developed operates between 2100 K and 700 K. Its actual efficiency is 40%. What percentage of its maximum possible efficiency is this?
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