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Carnot Cycle

An automobile...

Question

An automobile engine absorbs $1600 J$ of heat from a hot reservoir and expel $1000 J$ to a cold reservoir in each cycle. What maximum work is done in each cycle?

A

400 J

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B

500 J

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C

600 J

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D

450 J

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Solution

The correct option is D $600 J$
According to first law , for a cycle
$d Q = d W$
or $W = Q_{1} - Q_{2}$
Given - Heat absorbed $Q_{1} = 1600 J$
Heat given $Q_{2} = 1000 J$
Hence , maximum work done in each cycle
$W = 1600 - 1000 = 600 J$

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