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: May 12, 2026

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Question 1

Integral action is a controller action that adjusts the output of a controller based on the accumulated error over time. Integral action eliminates offset by continuously shifting the proportional band until the error is zero. Integral action operates on the:

A : urrent error

B : Rate of change of error

C : Sum of past errors

D : Difference between setpoint and process variable

Answer: A

Question 2

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 3

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 4

Which of the following statements BEST describes the difference between an alarm system and a safety system?

A : n alarm system alerts the operator of an abnormal condition that requires a timely response, while a safety system automatically takes corrective actions to prevent or mitigate hazardous consequences.

B : An alarm system records the video footage of the events occurring on the property, while a safety system uses motion sensors and other equipment to detect intrusions and notify the authorities.

C : An alarm system applies human factors and ergonomics to design an alarm interface that increases usability, while a safety system monitors and assesses the performance of the alarm system against predefined targets.

D : An alarm system creates a loud noise or flashing lights to scare away potential intruders, while a safety system contacts the homeowners or local authorities once the alarm sounds.

Answer: A

Question 5

Which Statement BEST describes the importance of considering all stakeholder concerns during an automation project?

A : It helps to prevent problems by ensuring that all stakeholders have a voice in the decision-making process and that potential areas of conflict are addressed before they become significant issues

B : It helps to attract the right candidates who match the needs and expectations of the automation engineer role

C : It helps to define the scope, schedule, and budget of the automation project and to monitor and control its progress and performance

D : It helps to demonstrate how the automation project aligns with the organization's strategic goals and vision and to highlight its benefits and value

Answer: A

Page: 1 / 112

Total 557 Questions | Updated On: May 12, 2026

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