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: Mar 05, 2026

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Question 1

After accessing the data in the OPC server, how does the operator specify parameters for graphic object animations in the HMI software?

A : y dragging and dropping the data items from the OPC server browser to the graphic objects on the HMI screen.

B : By selecting the graphic objects on the HMI screen and entering the data item names and values in the properties window.

C : By creating a tag database that links the data items from the OPC server to the graphic objects on the HMI screen.

D : By writing a script that assigns the data items from the OPC server to the graphic objects on the HMI screen.

Answer: A

Question 2

How many nodes can be connected to an AS-interface network?

A : 31

B : 62

C : 93

D : 124

Answer: A

Question 3

A device failure goes undetected by internal diagnostics; it does not directly impact safety but it does impact the ability to detect a future fault in a diagnostic circuit. In a failure rate database, this event would be classified as:

A : safe failure, since it does not increase the risk of a hazardous event and can be corrected during routine maintenance.

B : A dangerous failure, since it reduces the availability and reliability of the device and increases the probability of a hazardous event.

C : A latent failure, since it is not detected by the device or the user and remains hidden until it causes a hazardous event.

D : A nuisance failure, since it does not affect the safety or availability of the device but may cause annoyance or inconvenience to the user.

Answer: A

Question 4

Which of the following control valves is most suitable for handling a low pressure drop in a pipe over two inches in diameter?

A : all valve

B : Globe valve

C : Diaphragm valve

D : Butterfly valve

Answer: A

Question 5

How can the linked relationship between a P&ID and loop sheets be shown in a diagram?

A : y using the same device abbreviation and loop number for each instrument in both the P&ID and the loop sheet

B : By using the same symbols and layout for each unit and pipe in both the P&ID and the loop sheet

C : By using the same color scheme and font size for each component and label in both the P&ID and the loop sheet

D : By using the same scale and orientation for each diagram in both the P&ID and the loop sheet

Answer: A

Page: 1 / 112

Total 557 Questions | Updated On: Mar 05, 2026

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