You know what it looks like… but what is it called?
TAKE THE QUIZthermodynamic efficiency
noun
: the ratio of work output to heat-energy input in a heat-engine cycle or of heat energy removal to work input in a refrigeration cycle
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Merriam-Webster unabridged
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- Often used to describe “the march of time,” what does inexorable mean?


Can you make 12 words with 7 letters?
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