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 07, 2026

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Question 1

What is a cost-effective method of mitigating the effects of deep voltage sags on programmable electronic devices and preventing power interruptions or shutdowns in critical industrial manufacturing processes?

A : Using a dynamic voltage restorer (DVR) to inject the required voltage to compensate for the voltage sag and maintain the load voltage

B : Using a static synchronous compensator (STATCOM) to regulate the reactive power and improve the power factor and voltage stability

C : Using a unified power quality conditioner (UPQC) to correct both voltage and current disturbances and provide a clean power supply

D : Using a superconducting magnetic energy storage (SMES) system to store and release energy quickly and efficiently

Answer: A

Question 2

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

Question 3

Which of the following network access methods listens for inactivity before transmitting data?

A : SMA/CD

B : Token Passing

C : Polling

D : TDMA

Answer: A

Question 4

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

Question 5

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

Page: 1 / 112

Total 557 Questions | Updated On: Feb 07, 2026

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