An Ideal-Gas Heat Engine Operates in a Carnot Cycle Between $\circ$

question 58

Multiple Choice

An ideal-gas heat engine operates in a Carnot cycle between temperatures of 266 ^$\circ$ C and 115 ^$\circ$ C.It absorbs 4250 cal per cycle at 266 ^$\circ$ C.What is its efficiency in %?

• A)28%
• B)36%
• C)44%
• D)79%
• E)100%

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