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

question 64

Short Answer

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 the __________ law of thermodynamics.

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Definitions:

St. Vitus' Dance

A historical term for Sydenham's chorea, a disorder characterized by rapid, involuntary movements, primarily affecting children and associated with rheumatic fever.

Convulsions

Involuntary muscle contractions that are rapid and often accompanied by changes in behavior or consciousness, typically as a result of a medical condition like epilepsy.

Tarantism

A historical psychological illness characterized by an uncontrollable urge to dance, often linked to spider bites or supposed possession.

Johann Weyer

A Dutch physician and occultist of the 16th century, known for his pioneering work on the medical treatment of the mentally ill.