Free ISA-IEC ISA-CAP Exam Questions

Become ISA-IEC Certified with updated ISA-CAP exam questions and correct answers

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Total 557 Questions | Updated On: Jan 04, 2026

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Question 1

A sampled data model of the process is a

A : discrete-time representation of a continuous-time system

B : continuous-time representation of a discrete-time system

C : linear approximation of a nonlinear system

D : nonlinear approximation of a linear system

Answer: A

Question 2

Availability measures the percentage of time that a system is operational, while reliability measures the probability that a system performs its intended function without failure.

A : TRUE

B : False

C : It depends on the context

D : None of the above

Answer: A

Question 3

Which of the following is true of multivariate statistical process control?

A : It is a data-based method for monitoring and controlling several interrelated process variables simultaneously.

B : It is a model-based method for optimizing and improving the performance and quality of a single process variable.

C : It is a graphical method for visualizing and exploring the relationships and patterns among multiple process variables.

D : It is a statistical method for testing and comparing the differences and effects of multiple process variables.

Answer: A

Question 4

When evaluating the success of an automation project, which factors differentiate the customer's perspective from the service provider's perspective?

A : The customer focuses on the benefits and value of the project, while the service provider focuses on the cost and performance of the project

B : The customer focuses on the alignment of the project with the strategic goals and vision of the organization, while the service provider focuses on the technical aspects and quality of the project

C : The customer focuses on the satisfaction and experience of the end users, while the service provider focuses on the collaboration and coordination of the stakeholders

D : All of the above

Answer: A

Question 5

Which of the following statements is not true about the limitations of relay ladder logic and function block languages?

A : They are not suitable for mathematical calculations or complex logic functions

B : They are not suitable for data manipulation or communication with other devices

C : They are not suitable for discrete or sequential control

D : They are not suitable for large programs that require modularity and reusability

Answer: A

Page: 1 / 112

Total 557 Questions | Updated On: Jan 04, 2026

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