AutoQuiz20150925

AutoQuiz: What Is the Difference Between a Digital Transmitter and an Analog Transmitter?

Today’s automation industry quiz question comes from the ISA Certified Control Systems Technician (CCST) program. Certified Control System Technicians calibrate, document, troubleshoot, and repair/replace instrumentation for systems that measure and control level, temperature, pressure, flow, and other process variables. Click this link for information about the CCST program. This question is from the Level I […]

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ChemScan nitrite analysis during startup

Taking Denitrification to the Next Level

In 2006, one of the largest water reclamation facilities in northern Virginia needed to expand the facility from 18 to 24 million gallons per day (mgd) to support future growth in Prince William County, Va. At the same time, new regulations necessitated an upgrade to improve the nutrient removal capabilities of the plant. The new […]

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Bottoms level-to-flow cascade strategy

The Basics of Distillation Column Loop Tuning

Controlling distillation columns is a tough assignment due to the interacting nature of the process and the upstream/downstream effects of loop tuning. In this example, the column bottoms level control had stability problems (cycling), causing manual operation and the operators’ constant attention. The bottoms level needed to be controlled to a set point that minimized […]

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AutoQuiz20150814

AutoQuiz: How Do Thermal Level Elements Infer Level Measuring?

Today’s automation industry quiz question comes from the ISA Certified Control Systems Technician (CCST) program. Certified Control System Technicians calibrate, document, troubleshoot, and repair/replace instrumentation for systems that measure and control level, temperature, pressure, flow, and other process variables. Click this link for information about the CCST program. This question is from the Level I […]

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January Education and Training Course Offerings from ISA

Start the new year with a jump on your automation industry skills with education and training programs from ISA. Featured program for the new year include Process Automation Boot Camp For Non-Maintenance Personnel (PABC), which has been developed for non-maintenance personnel with little or no background in the field of process measurements and control. The […]

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AutoQuiz-20151204-absolute-pressure-gauge

AutoQuiz: What Reading Do You Get From a Disconnected Pressure Gauge?

Today’s automation industry quiz question comes from the ISA Certified Control Systems Technician (CCST) program. Certified Control System Technicians calibrate, document, troubleshoot, and repair/replace instrumentation for systems that measure and control level, temperature, pressure, flow, and other process variables. Click this link for information about the CCST program. This question is from the Level I […]

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How Do You Measure Control System Performance?

For the automation profession to gain the recognition it deserves, we need to show the impact of our achievements on improving plant performance. This question is from Sridhar Dasani, a recent addition to the ISA Mentor Program, with my answer and additional input from co-founder of the program Hunter Vegas (project engineering manager at Wunderlich-Malec) […]

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earch engine confusion: Which post is the original/source and which are copies? How do rank #1?

Is It Safe to Duplicate Content on Other Websites?

The assembly line created a revolution in manufacturing, enabling companies to make quantum leaps in productivity. But should you apply a similar approach to your industrial digital marketing program, republishing the same content to a wider readership to drive more traffic to your landing pages? In other words, is content “cloning” safe for your industrial […]

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