Today’s automation industry quiz question comes from the ISA Certified Automation Professional certification program. ISA CAP certification provides a non-biased, third-party, objective assessment and confirmation of an automation professional’s skills. The CAP exam is focused on direction, definition, design, development/application, deployment, documentation, and support of systems, software, and equipment used in control systems, manufacturing information systems, systems integration, and operational consulting. Click this link for more information about the CAP program.
An exothermic reactor can run away if the catalyst feed flow exceeds a certain flowrate. Excess catalyst can cause the reaction rate to increase, thereby increasing the heat flux inside the reactor vessel.
When tuning the catalyst feed flow controller while in operation, the following tuning method should be used:
a) open-loop, shortcut tuning method
b) general purpose, closed-loop tuning method
c) Lambda tuning method
d) modified Ziegler-Nichols tuning method
e) none of the above