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Fundamentals of Engineering Thermodynamics Ch 6 True False Questions with Accurate Answers
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Fundamentals of Engineering Thermodynamics Ch 6 True False
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Fundamentals of EngineeringThermodynamics Ch 6 True False
The change in entropy of a closed system is the same for
every process between two specified states. - answer True
The entropy of a fixed amount of an incompressible substance
increases in every process for which temperature increases. - answer True
A process that violates the second law of thermodynamics
violates the first law of thermodynamics. - answer False
When a net amount of work is done on a closed system
undergoing an internally reversible process, a net heat
transfer of energy from the system also occurs. - answer False
One corollary of the second law of thermodynamics states
that the change in entropy of a closed system must be
greater than or equal to zero. - answer False, entropy transfer out can make the total
change in entropy negative. Entropy production will be greater than or equal to 0.
A closed system can experience a decrease in entropy only
when there is heat transfer from the system to its surroundings
during the process. - answerTrue
Entropy is produced in every internally reversible process
of a closed system. - answerFalse, Entropy is not produced in an internally reversible
process of a closed system. The entropy of an adiabatic internally reversible process
remains constant. Entropy is produced in irreversible processes.
In an adiabatic and internally reversible process of a closed
system the entropy remains constant. - answerTrue
The entropy of a fixed amount of an ideal gas increases in
every isothermal process. - answerFalse
The specific internal energy and enthalpy of an ideal gas
are each functions of temperature alone, but its specific
entropy depends on two independent intensive properties. - answerTrue
The energy of an isolated system must remain constant, but
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