In a closed-loop process control system,...

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Question 1 of 205eccefa5bacbc34ba4d48826

In a closed-loop process control system, what term is used to describe the action of measuring the difference between the actual result and the desired result and using that difference to drive the actual result toward the desired result?

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🔍 Key Concepts

• Closed-loop control system vs open-loop control • How a system uses the difference between setpoint (desired value) and process variable (actual value) • The basic idea of feedback in automatic control

💭 Think About

• In a closed-loop system, what must the controller know in order to correct the output? Think about how it compares actual vs desired values. • Which of these terms describes a signal that is sent back to influence the input of the system based on its output? • Which options refer to specific problems or characteristics (like too little response or too much response) rather than the basic correcting mechanism itself?

✅ Before You Answer

• Identify which choice describes using the error (difference between desired and actual) to make corrections. • Eliminate any terms that mainly describe problems or limits in a control system rather than its normal correcting action. • Confirm which term is fundamental to automatic correction in closed-loop control systems.

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