What is the difference between a refrigerator and a heat pump in terms of heat transfer? Both maintain high temperature Refrigerator maintains low temperature; Heat Pump maintains high temperature Refrigerator maintains high temperature; Heat Pump maintains low temperature Both maintain low temperature

Refrigerator maintains low temperature; Heat Pump maintains high temperature

What is the Kelvin-Planck statement regarding the impossibility of a device operating on a cycle to produce a net amount of work from a single heat reservoir? Energy cannot be created or destroyed No heat engine can have 100% thermal efficiency Entropy of an isolated system always increases Heat can spontaneously flow from cold to hot

No heat engine can have 100% thermal efficiency

What is the Clausius statement regarding the impossibility of constructing a device that transfers heat from a low-temperature body to a high-temperature body without work input? Heat engines can be 100% efficient Refrigerator cannot operate without work input Entropy can decrease in an isolated system Energy can be created from nothing

Refrigerator cannot operate without work input

Thermo Exam 3

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Physics - Thermodynamics

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Cards in this deck(20)

What is a body with a high thermal energy capacity that can supply and absorb finite amounts of heat without undergoing a change in temperature?

What is the term for a reservoir that supplies energy in the form of heat?

What is the term for a reservoir that absorbs energy in the form of heat?

What is the device called that converts heat into work?

What is the difference between a refrigerator and a heat pump in terms of heat transfer?

What is the term for the fluid in which heat is transferred during a cycle in devices like heat engines?

Which law states that processes occur in a certain direction and energy has quality as well as quantity?

What is the Kelvin-Planck statement regarding the impossibility of a device operating on a cycle to produce a net amount of work from a single heat reservoir?

What is the Clausius statement regarding the impossibility of constructing a device that transfers heat from a low-temperature body to a high-temperature body without work input?

What is the term for the fraction of heat input that is converted to net work output in a heat engine?

What is the term for the efficiency of a refrigerator?

What is a reversible cycle in thermodynamics?

What is an irreversible cycle in thermodynamics?

What is the Carnot Cycle in thermodynamics?

What are the Carnot Principles regarding the efficiency of heat engines?

What is the Carnot Efficiency in thermodynamics?

How does the quality of energy relate to Carnot Efficiency?

What is the Increase in Entropy Principle?

What is the difference between entropy transfer and entropy generation?

What does the Clausius Statement say about entropy in reversible and irreversible cycles?

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Thermo Exam 3

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