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: Oct 28, 2025

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Question 1

Which of the following network access methods listens for inactivity before transmitting data?

A : SMA/CD

B : Token Passing

C : Polling

D : TDMA

Answer: A

Question 2

Which of the following BEST describes the different technology logic systems used in safety systems?

A : They are systems that use sensors, logic solvers, and final control elements to take the process to a safe state in case of an emergency.

B : They are systems that use switches, relays, and valves to control the process variables and prevent any safety hazards.

C : They are systems that use transmitters, controllers, and actuators to monitor the process conditions and optimize the performance.

D : They are systems that use scanners, computers, and displays to collect and analyze the process data and provide feedback.

Answer: A

Question 3

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 4

What is the main function of the highest layer in a communications stack?

A : It creates communication channels between devices.

B : It coordinates the data transfer between end systems and hosts.

C : It translates data formats between applications and networks.

D : It interacts with the user and provides network services.

Answer: A

Question 5

What is the primary purpose of process modeling in process control industry?

A : To design and optimize the physical layout and equipment of a process plant

B : To simulate and analyze the dynamic behavior and performance of a process system

C : To monitor and control the process variables and quality attributes of a product

D : All of the above

Answer: A

Page: 1 / 112

Total 557 Questions | Updated On: Oct 28, 2025

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