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: Jan 13, 2026

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Question 1

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 2

Which of the following statements BEST describes the difference between an alarm system and a safety system?

A : n alarm system alerts the operator of an abnormal condition that requires a timely response, while a safety system automatically takes corrective actions to prevent or mitigate hazardous consequences.

B : An alarm system records the video footage of the events occurring on the property, while a safety system uses motion sensors and other equipment to detect intrusions and notify the authorities.

C : An alarm system applies human factors and ergonomics to design an alarm interface that increases usability, while a safety system monitors and assesses the performance of the alarm system against predefined targets.

D : An alarm system creates a loud noise or flashing lights to scare away potential intruders, while a safety system contacts the homeowners or local authorities once the alarm sounds.

Answer: A

Question 3

Which of the following can be considered a fixed speed motor?

A : three-phase AC induction motor powered directly from the AC line

B : A single-phase AC induction motor with a capacitor start

C : A DC motor with a variable voltage supply

D : A synchronous motor with a variable frequency drive

Answer: A

Question 4

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 5

Which of the following statements is true about gauge pressure?

A : It is measured relative to a perfect vacuum.

B : It is measured relative to the local atmospheric pressure.

C : It is measured relative to the pressure difference between two points.

D : It is measured relative to the pressure in an adjacent vessel.

Answer: A

Page: 1 / 112

Total 557 Questions | Updated On: Jan 13, 2026

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