Heat Engine Efficiency

00:00 1 marks

A heat engine performs 200 J of work in each cycle and releases 600 J of heat to the cold reservoir. What is the efficiency of the engine?

A

25%
B

33%
C

50%
D

75%

Hint Hint

Hint

Remember: Efficiency = (Work output / Total heat input) × 100%. Calculate the total heat input by adding the work output to the heat rejected.

Answer Answer
Mark Scheme Mark Scheme
Explanation Explanation
Examiner Tips Examiner Tips
Common Errors Common Errors
Real World Context Real World Context

Answer Answer

Complete Answer

25%

Mark Scheme Mark Scheme

Answer Explanation Answer Explanation

Examiner Tips Examiner Tips

Common Errors Common Errors

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