A Heat Engine Operating at Maximum Efficiency Has an Efficiency

question 49

Multiple Choice

A heat engine operating at maximum efficiency has an efficiency of 25%. The temperature of the cold reservoir is 300 K. What is the temperature of the hot reservoir?

• A) 350 K
• B) 375 K
• C) 400 K
• D) 450 K
• E) 500 K

---

Definitions:

Anxious

Experiencing worry, unease, or nervousness, typically about an imminent event or something with an uncertain outcome.

Pressure Ulcers

Localized injury to the skin and/or underlying tissue, usually over a bony prominence, due to prolonged pressure or friction.

Mobility

Person's ability to move about freely.

Analgesic Medication

Medications formulated to alleviate pain without leading to unconsciousness.