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: Feb 20, 2026

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Question 1

What training method is worst suited to help operators with rarely performed maintenance tasks?

A : Single-point lesson

B : Lecture

C : Simulation

D : Case study

Answer: A

Question 2

Which of the following is not a valid form of PID algorithm implemented in modern PID controllers?

A : Parallel form

B : Ideal form

C : Series form

D : Hybrid form

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

In an instrument air system, the dew point analyzer should be mounted at the:

A : ompressor inlet

B : Compressor outlet

C : Dryer outlet

D : Receiver outlet

Answer: A

Question 5

What is the simplest technique for addressing the nonlinearity problem in machine learning?

A : dding higher-order terms of the features

B : Applying a nonlinear activation function

C : Scaling the features to a common range

D : Performing dimensionality reduction

Answer: A

Page: 1 / 112

Total 557 Questions | Updated On: Feb 20, 2026

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