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: Aug 18, 2026

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Question 1

A sampled data model of the process is a

A : discrete-time representation of a continuous-time system

B : continuous-time representation of a discrete-time system

C : linear approximation of a nonlinear system

D : nonlinear approximation of a linear system

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

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

Question 4

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 5

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

Page: 1 / 112

Total 557 Questions | Updated On: Aug 18, 2026

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