P21_021 - | Q L | = 36 kJ will have these values of...

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21. The answers to this exercise do not depend on the engine being of the Carnot design. Any heat engine that in-takes energy as heat (from, say, consuming fuel) equal to | Q H | = 52 kJ and exhausts (or discards) energy as heat equal to
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Unformatted text preview: | Q L | = 36 kJ will have these values of efficiency ε and net work W . (a) Eq. 21-10 gives ε = 1 − ¯ ¯ ¯ ¯ Q L Q H ¯ ¯ ¯ ¯ = 0 . 31 = 31% . (b) Eq. 21-6 gives W = | Q H | − | Q L | = 16 J ....
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This note was uploaded on 11/12/2011 for the course PHYS 2001 taught by Professor Sprunger during the Fall '08 term at LSU.

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