Question

A heat engine exhausts 8000 J of heat while performing 2000 J of useful work. What...

A heat engine exhausts 8000 J of heat while performing 2000 J of useful work. What is the efficiency of the heat engine?

a) 25%

b) 33%

c) 40%

d) 20%

(Please legibly write out all steps instead of typing them. In addition, please include the formula that you'll use in order to solve the problem. Thank you.)

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Answer #1

Sol) The efficiency of heat engine is by given E s = ( WA ) x100 (wta Where w Qs is Given engine engine. is heat W- 2- work d

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