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One of the most efficient engines ever developed operated between 2100K and 700K. Its actual efficiency is 40%. What percentage of its maximum possibl

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One of the most efficient engines ever developed operated between 2100K and 700K. Its actual efficiency is 40%. What percentage of its maximum possible efficiency is this?
A. `40%`
B. `60%`
C. `66.67%`
D. `33.37%`
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1 Answer

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Correct Answer - B
`eta=(1-(T_(2))/(T_(1)))xx100`
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