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
Efficiency of an ideal heat engine,η=1-T2T1 Freezing point of water =0°C=273 K Boiling point of water =100°C=(100+273)K=373 KT2: Sink temperature =273 KT1: Source temperature =373 K%η=1-T2T1×100=1-273373×100=100373×100=26.8%Talk to our academic expert!
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