An Engine Operating in a Cycle Would Violate the Second

question 2

Multiple Choice

An engine operating in a cycle would violate the second law of thermodynamics if it

• A)changed all the heat from a source to mechanical work.
• B)changed all of its mechanical work to heat.
• C)were irreversible.
• D)operated between two isotherms and two adiabats.
• E)were less efficient than a Carnot engine.

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H1N1

A subtype of influenza A virus known to cause respiratory infections in humans; it was responsible for the 2009 flu pandemic.

Pandemic

A global outbreak of a disease that affects a large number of people across several countries or continents.

Oxygen

A chemical element vital for respiration in living organisms and necessary for combustion, represented by the symbol O.

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Collections of similar cells that perform specific functions within an organism, such as muscle tissue or nervous tissue.