If an engine does 300J of net work and exhausts 800J of heat per cycle, what...

Question

Question

If an engine does 300J of net work and exhausts 800J of heat per cycle, what is its thermal efficiency? ?= %

science physics

Answer 1

Answer #1

Thermal Efficiency (in %) = $\frac{Work Done}{Total Energy Exhausted}*100=\frac{300}{800+300}*100=27.27$ %

Answer 2

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