In a Steam Engine,steam at 140°C in a Turbine Does

question 38

Multiple Choice

In a steam engine,steam at 140°C in a turbine does work on an external system,and the steam leaves the turbine at 100°C.The efficiency of the steam engine is 5%.The relevant physical principle is

• A)the first law of thermodynamics.
• B)the second law of thermodynamics.
• C)specific heat capacity.
• D)operation of a heat pump.
• E)none of the above.

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Definitions:

Adaptation

The process by which organisms adjust to changes in their environment to survive and reproduce.

Promotes Survival

Refers to any trait, behavior, or strategy that increases the likelihood of an organism's survival and reproduction in its environment.

Turing Test

A means of determining if artificial intelligence is conscious, self-directed intelligence.

Conversations

Informal exchanges of ideas, information, or feelings between two or more people.