Question 1 (a) Determine if the systems with the known properties below are completely specified in terms of their states based on state postulate? Explain if the state of any system cannot be specified. (i) System 1: Density and specific volume (ii) System 2: Mass and temperature (iii) System 3: Pressure and specific enthalpy (iv) System 4: Total volume and specific internal energy (v) System 5: Temperature, total enthalpy, and mass (b) In piston cylinder device with valve assembly, the system that is defined by the dashed line boundary consists of air in the cylinder as shown in Figure 1. Both valves are closed and there is no leakage through the sidewall of the piston during the compression. Determine whether the following statements are true or false. Piston Figure 1 Valve Statement 1: All parts of the system boundary shown in Figure I are moving boundary. Statement 2: The compression process is quasi-equilibrium if the compression happens in a very fast manner. Statement 3: If there is work done on the system during the compression process, the system is defined as an open system. Statement 4: Since the compression process involves the increase in pressure, the process is called isobaric process. Statement 5: The system in Figure 1 is a closed system.
Question 1 (a) Determine if the systems with the known properties below are completely specified in terms of their states based on state postulate? Explain if the state of any system cannot be specified. (i) System 1: Density and specific volume (ii) System 2: Mass and temperature (iii) System 3: Pressure and specific enthalpy (iv) System 4: Total volume and specific internal energy (v) System 5: Temperature, total enthalpy, and mass (b) In piston cylinder device with valve assembly, the system that is defined by the dashed line boundary consists of air in the cylinder as shown in Figure 1. Both valves are closed and there is no leakage through the sidewall of the piston during the compression. Determine whether the following statements are true or false. Piston Figure 1 Valve Statement 1: All parts of the system boundary shown in Figure I are moving boundary. Statement 2: The compression process is quasi-equilibrium if the compression happens in a very fast manner. Statement 3: If there is work done on the system during the compression process, the system is defined as an open system. Statement 4: Since the compression process involves the increase in pressure, the process is called isobaric process. Statement 5: The system in Figure 1 is a closed system.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Transcribed Image Text:Question 1
(a) Determine if the systems with the known properties below are completely specified in terms of their
states based on state postulate? Explain if the state of any system cannot be specified.
(i)
System 1: Density and specific volume
(ii)
System 2: Mass and temperature
(iii)
System 3: Pressure and specific enthalpy
(iv)
System 4: Total volume and specific internal energy
(v)
System 5: Temperature, total enthalpy, and mass
(b) In piston cylinder device with valve assembly, the system that is defined by the dashed line boundary
consists of air in the cylinder as shown in Figure 1. Both valves are closed and there is no leakage through
the sidewall of the piston during the compression. Determine whether the following statements are true
or false.
Piston
Figure 1
Valve
Statement 1:
All parts of the system boundary shown in Figure I are moving boundary.
Statement 2:
The compression process is quasi-equilibrium if the compression happens in a very fast manner.
Statement 3:
If there is work done on the system during the compression process, the system is defined as an open
system.
Statement 4:
Since the compression process involves the increase in pressure, the process is called isobaric process.
Statement 5:
The system in Figure 1 is a closed system.
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