A Carnot Engine Operates Between Two Reservoirs with Unknown Temperatures $67 \%$

question 57

Multiple Choice

A Carnot engine operates between two reservoirs with unknown temperatures. If the Carnot engine operates at $67 \%$ efficiency, what is the ratio of the absolute temperatures of the reservoirs, T_c/T_h?

• A)0.33
• B)0.0012
• C)0.0025
• D)0.67

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Definitions:

Extraneous Variables

Extraneous variables are those that are not the focus of a study but may influence its outcome, potentially confounding the results if not controlled.

Random Assignment

A procedure in experimental design that ensures every participant has an equal chance of being assigned to any group, enhancing the validity of results.

Experimental Methods

A research technique that tests hypotheses and establishes cause-and-effect relationships between variables.

Naturalistic Observation

A research method involving observing subjects in their natural environment without intervention by the researchers.