Thermodynamics (#1)
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, A closed system is often referred to as a control volume, which is a properly selected
space for study
False
Which of the following statements are true?
-Extensive properties per unit mass are called specific properties
-all specific properties are also intensive properties
-properties are considered to either be intensive or extensive
The molar specific volume of a system is defined as the ratio of the volume of the system
to the number of moles of s substance contained in the system, so the moles specific
volume is an intensive property
True
For the following devices in normal operation, which ones can be approximated as
steady-flow devices?
-a centrifugal pump
-a heat exchanger
-a turbine
NOT:
-a gas charging device
-a rigid tank
Exam Questions Verified
and Provided with A+
Graded Answers |Latest
Updated 2026
, A closed system is often referred to as a control volume, which is a properly selected
space for study
False
Which of the following statements are true?
-Extensive properties per unit mass are called specific properties
-all specific properties are also intensive properties
-properties are considered to either be intensive or extensive
The molar specific volume of a system is defined as the ratio of the volume of the system
to the number of moles of s substance contained in the system, so the moles specific
volume is an intensive property
True
For the following devices in normal operation, which ones can be approximated as
steady-flow devices?
-a centrifugal pump
-a heat exchanger
-a turbine
NOT:
-a gas charging device
-a rigid tank
