The post Blocked Control Valve in a Paper-Pulp Slurry Service first appeared on the ISA Interchange blog site.
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 information about the CAP program. This question is from the CAP study guide, Performance Domain III, System Design.
Which of the following control valve body styles is MOST likely to develop blockage in a paper-pulp slurry service?
b) characterized ball
e) none of the above
Source: ISA News