1. Basic Concepts and Definitions

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Questions

Question 1

What is the primary focus of classical thermodynamics as introduced in the text?

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Question 2

What does the first law of thermodynamics primarily concern itself with?

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Question 3

What is the definition of a 'system' in the context of thermodynamics?

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Question 4

Which characteristic defines a closed system?

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Question 5

An outdoor condensing unit of an air conditioner, where coolant enters and leaves, is given as an example of what type of system?

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Question 6

Which of the following properties is classified as an intensive property?

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Question 7

If a container of air with a mass of 2 kg and a volume of 1.67 m^3 is divided into two identical compartments, what would be the mass in one of the compartments?

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Question 8

What is the relationship between an extensive property like internal energy (U) and its corresponding intensive property, specific internal energy (u)?

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Question 9

What term describes the condition of a system that has uniform properties throughout and is free from any unbalanced potentials?

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Question 10

A process in which the pressure remains constant is called:

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Question 11

What is a quasi-equilibrium process?

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Question 12

What defines a thermodynamic cycle?

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Question 13

According to the text, the 'continuum' hypothesis assumes that a system is what?

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Question 14

Which of the following describes a system in mechanical equilibrium?

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Question 15

What is an adiabatic process?

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Question 16

What is the primary purpose of a heat engine as described in the chapter?

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Question 17

The second law of thermodynamics, as introduced in Section 1.1, helps to explain which of the following phenomena?

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Question 18

In the context of thermodynamics, what is the 'boundary'?

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Question 19

A piston-cylinder device containing a fluid is provided as an example of which type of system?

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Question 20

What is an 'isolated system'?

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Question 21

Which of the following is listed as an extensive property?

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Question 22

If a container of air is at 101 kPa and 20 degrees Celsius, and you divide it into two smaller, separate compartments, what happens to the pressure in each compartment?

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Question 23

What is meant by the 'state' of a system in thermodynamics?

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Question 24

A system where the specific volume remains constant during a process is undergoing which type of process?

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Question 25

What is the defining characteristic of an 'open system', also known as a control volume?

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Question 26

What does it mean for a system to be in thermal equilibrium?

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Question 27

An isentropic process is one in which which property remains constant?

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Question 28

How does the chapter summarize the main applications of thermodynamics in engineering fields?

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Question 29

In the example of the vapour-compression refrigeration cycle, what is the role of the numbered dots on the T-s diagram (Figure 1.4.4)?

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Question 30

What is the key takeaway from the chapter regarding the analysis of thermodynamic devices?

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Question 31

What type of equilibrium exists in a system consisting of a mixture of liquid water and water vapor if the composition of the mixture remains constant over time?

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Question 32

A process where the temperature remains constant is called:

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Question 33

Why must the exact path of a process be clearly specified?

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Question 34

Which property is NOT considered intensive?

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Question 35

What two mechanisms allow a system to interact with its surroundings?

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Question 36

The vapour-compression refrigeration cycle is given as an example of what fundamental thermodynamic concept?

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Question 37

Which of these is NOT a characteristic of a thermodynamic boundary?

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Question 38

In the Otto cycle example, what happens during the compression stroke (line 1-2)?

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Question 39

According to the chapter review, which three types of systems are defined in terms of their ability to transfer mass and energy?

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Question 40

Why is a sealed bottle of soft drink considered a closed system when taken out of a cooler?

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Question 41

What is the key difference between an extensive property and an intensive property?

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Question 42

What is the name for a process where the specific volume remains constant?

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Question 43

In the context of the macroscopic perspective, what is a 'continuum'?

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Question 44

What does the chapter review state must be clearly specified when describing a process?

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Question 45

What is the relationship between all specific properties and the classification of properties?

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Question 46

In the Otto cycle example, what is the state of the inlet and outlet valves during the ignition and power stroke (line 2-3-4)?

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Question 46

Which of these is NOT one of the common processes whose definitions students need to understand, according to the chapter review?

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Question 47

What is the defining feature of a system in chemical equilibrium?

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Question 48

What is the key insight about heat engines provided by examining Figure 1.1.2, the schematic drawing?

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Question 49

Which of the learning objectives for Chapter 1 involves understanding concepts like system, surroundings, extensive and intensive properties?

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Question 50

According to the chapter, why is 'specific entropy' considered an intensive property?

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