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 13, 2026

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Question 1

IEC 61131 details how many approved PLC programming languages which have text?

A : One

B : Two

C : Three

D : Four

Answer: A

Question 2

Which of the following is the next step in the cycle after housekeeping tasks such as communication with operator:

A : Update Inputs

B : Execute Program

C : Update Outputs

D : Initialize Hardware

Answer: A

Question 3

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 4

Cavitation is typically NOT caused by which of the following?

A : High flow velocity through the valve

B : Low pressure drop across the valve

C : High pressure recovery downstream of the valve

D : Low vapor pressure of the liquid

Answer: A

Question 5

What are the two main factors that affect the maximum number of devices that can be powered from the FOUNDATION Fieldbus H1 segment?

A : The length of the cable and the voltage drop along the cable

B : The current consumption of each device and the total current available on the segment

C : The data rate of the communication and the bandwidth of the cable

D : The type of physical media and the type of explosion protection

Answer: A

Page: 1 / 112

Total 557 Questions | Updated On: Jan 13, 2026

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