A Company That Produces Pulsed Gas Heaters Claims Their Efficiency

question 15

Multiple Choice

A company that produces pulsed gas heaters claims their efficiency is approximately 90%. If an engine operates between 250°C and 25°C, what is its maximum thermodynamic efficiency?

• A) 83%
• B) 65%
• C) 43%
• D) 90%
• E) 56%

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