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

Which of the following statements is not true about the limitations of relay ladder logic and function block languages?

A : They are not suitable for mathematical calculations or complex logic functions

B : They are not suitable for data manipulation or communication with other devices

C : They are not suitable for discrete or sequential control

D : They are not suitable for large programs that require modularity and reusability

Answer: A

Question 2

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

A : One

B : Two

C : Three

D : Four

Answer: A

Question 3

Which of the following methods can increase the torque of an AC motor?

A : Increasing the internal rotor resistance

B : Increasing the external rotor resistance

C : Increasing the voltage or frequency

D : All of the above

Answer: A

Question 4

Which of the following is NOT a scheme for OPC data exchange between servers and clients?

A : ata Access

B : Data Exchange

C : Unified Architecture

D : Historical Data Access

Answer: A

Question 5

Which of the following is NOT included in alarm philosophy documentation?

A : The guidelines for how to address all aspects of alarm management

B : The criteria for evaluating and justifying potential or existing alarms

C : The design specifications and rationale for each qualified alarm

D : The performance metrics and benchmarks for each alarm system

Answer: A

Page: 1 / 112

Total 557 Questions | Updated On: Feb 20, 2026

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