A Thermodynamic Engine Having the Maximum Possible Efficiency Has an Efficiency

question 39

Multiple Choice

A thermodynamic engine having the maximum possible efficiency has an efficiency of 35.0% when operating between two heat reservoirs.If the temperature of the hot reservoir is 700 K,what is the temperature of the cold reservoir?

• A)200 K
• B)245 K
• C)350 K
• D)455 K
• E)600 K

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Definitions:

National In-group

The phenomenon of identifying more closely and positively with one's own nation or ethnic group, while maintaining a less favorable attitude towards other groups.

Conformity

The act of matching attitudes, beliefs, and behaviors to group norms, policies, or societal rules.

Disapproval

The act of expressing a negative opinion about something or someone.

Social Psychology

The scientific study of how people's thoughts, feelings, and behaviors are influenced by the actual, imagined, or implied presence of others.