Thermodynamics Multiple Choice Questions and Answers
26. An open system is one in which.......
A.Mass does not cross boundaries of the system,through energy may do so
B.Neither mass nor energy crosses the boundsries of the system
C.Both energy and mass cross the boundaries of the system
D.Mass crosses the boundary but not the energy
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C.Both energy and mass cross the boundaries of the system
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27. An closed system is one in which........
A.Mass does not cross boundaries of the system,through energy may do so
B.Neither mass nor energy crosses the boundsries of the system
C.Both energy and mass cross the boundaries of the system
D.Mass crosses the boundary but not the energy
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28. Specific heat of air at constant pressure is equal to........
A.0.17
B.0.21
C.0.24
D.1.0
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29. Characteristic gas constant of a gas is equal to........
A.Cp/Cv
B.Cv/Cp
C.Cp-Cv
D.Cp+Cv
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30. Gases law can be fully determind by........
A.1 st law of thermodynamics
B.2 nd law of thermodynamics
C.3 rd law of thermodynamics
D.4 th law of thermodynamics
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