Free ISA-IEC ISA-CAP Exam Questions

Become ISA-IEC Certified with updated ISA-CAP exam questions and correct answers

Page: 1 / 112

Total 557 Questions | Updated On: Mar 13, 2026

Add To Cart

Question 1

Which of the following is true of multivariate statistical process control?

A : It is a data-based method for monitoring and controlling several interrelated process variables simultaneously.

B : It is a model-based method for optimizing and improving the performance and quality of a single process variable.

C : It is a graphical method for visualizing and exploring the relationships and patterns among multiple process variables.

D : It is a statistical method for testing and comparing the differences and effects of multiple process variables.

Answer: A

Question 2

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

Question 3

Which of the following is the most critical step in writing a custom software program for an automation system?

A : Testing and debugging the program

B : Documenting and commenting the program

C : Analyzing and designing the program

D : Compiling and deploying the program

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

Which of the following is not a valid form of PID algorithm implemented in modern PID controllers?

A : Parallel form

B : Ideal form

C : Series form

D : Hybrid form

Answer: A

Page: 1 / 112

Total 557 Questions | Updated On: Mar 13, 2026

Add To Cart