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In a heat engine, if the input heat is 800 J and the work output is 300 J, what is the efficiency?

Practice Questions

1 question
Q1
In a heat engine, if the input heat is 800 J and the work output is 300 J, what is the efficiency?
  1. 37.5%
  2. 50%
  3. 62.5%
  4. 75%

Questions & Step-by-step Solutions

1 item
Q
Q: In a heat engine, if the input heat is 800 J and the work output is 300 J, what is the efficiency?
Solution: Efficiency = (Work output / Heat input) × 100 = (300 J / 800 J) × 100 = 37.5%.
Steps: 0

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