Questions
A heat engine operates between 2100 K and 700 K. Its actual efficiency is 40%. What percentage of its maximum possible efficiency is this?
a
55%
b
60%
c
70%
d
80%
detailed solution
Correct option is B
ηmax = 1-TLTH= 1 - 7002100 = 23ηmax = 23×100% = 66%Actual efficiency is 40% which is 60% of the theoretical efficiency.Talk to our academic expert!
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