An Engineer Uses a River (Which Averages 4°C) to Cool

question 26

Multiple Choice

An engineer uses a river (which averages 4°C) to cool his electrical plant, which heats water with a boiler operating at 750°C. What's the maximal performance (in terms of efficiency) theoretically possible for this electrical plant?

• A) 64%
• B) 36%
• C) 27%
• D) 73%

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Definitions:

Rocky Mountain Spotted Fever

A bacterial infection transmitted by tick bites, characterized by fever, headache, and a distinctive rash, prevalent in the American Southeast.

Insect Repellent

A substance applied to skin, clothing, or other surfaces to discourage insects from landing or climbing on that surface.

Infectious Disease Process

The mechanism through which infectious diseases are transmitted, causing illness by invading host organisms.

Chronic Disease

A long-lasting condition that can be controlled but not cured, often with significant impact on individuals' daily lives.