Chapter 4
Modelling and Analysis for Process Control
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Check Your Reading Study Questions Thought Questions
The questions will be categorized according to the most relevant of the five key concepts.
Laplace Transforms  Transfer Functions  Block Diagrams 
Stability  Frequency Response 
Check Your Reading 
Solidify the Concepts 
4.1 Which of the following are reasons for using Laplace transforms in process control? 
Laplace Transforms 
4.2 Complete the following statement. 
Laplace Transforms 
4.3 For the following differential equation, select the Laplace transform of the equation. 
Laplace Transforms 
4.4 Select the output response of a process whose only dynamics are a pure dead time to a step input at t = 20 . We do not know the value of the dead time. 

4.5 A transfer function provides a model of: 
Transfer Functions 
4.6 Complete the following statement: A stable system ... 
Stability 
4.7 What can be determined from the following transfer function? 
Transfer Functions 
4.8 Complete the following statement: A block diagram is ... 
Block Diagrams 
4.9 Frequency response is used in the analysis of dynamic systems because... 
Frequency Response 