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 04, 2026

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Question 1

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 2

What is the next best course of action after troubleshooting a system failure by replacing a suspected bad component with a known good component and finding that this does not correct the problem?

A : Replace another component that is related to the problem and test again

B : Consult a third person who has advanced knowledge about the system or the principles

C : Remove devices one at a time and test again

D : Insert faults into the system and observe the response

Answer: A

Question 3

What is the name of the device that can detect water level in a well pump and shut off the power to the pump if it senses a dry run condition?

A : Pump controller

B : Float switch

C : Cycle sensor

D : Leak defender

Answer: A

Question 4

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

Question 5

What is true of both single-phase and polyphase AC motors:

A : They both use a rotating magnetic field to induce torque in the rotor.

B : They both require a capacitor to create the necessary phase shift for starting.

C : They both have the same number of stator windings and rotor poles.

D : They both have the same efficiency and power factor

Answer: A

Page: 1 / 112

Total 557 Questions | Updated On: Jan 04, 2026

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