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: Dec 17, 2025

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Question 1

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 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

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 4

Which of the following statements is true about gauge pressure?

A : It is measured relative to a perfect vacuum.

B : It is measured relative to the local atmospheric pressure.

C : It is measured relative to the pressure difference between two points.

D : It is measured relative to the pressure in an adjacent vessel.

Answer: A

Question 5

What sensor malfunction that causes values for a particular variable to be grossly out of range describes which process data?

A : Outliers

B : Noise

C : Drift

D : Bias

Answer: A

Page: 1 / 112

Total 557 Questions | Updated On: Dec 17, 2025

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