When a controller with proportional position...

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Question 1 of 205eccefa5bacbc34ba4d4881d

When a controller with proportional position action is used to control a process, a load change will cause the controlled variable to stabilize at some value other than the set point value. The new point at which the controlled variable stabilizes is called __________.

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🔍 Key Concepts

• Proportional control vs. other control actions (like integral or derivative) • How a system with only proportional action behaves after a sudden load change • Standard control-system terms for the difference between set point and the new steady value

💭 Think About

• After a load change, if the controller is only proportional, will the controlled variable usually return exactly to the set point, or settle with a permanent difference? • What do we call the steady, remaining difference between the set point and the actual controlled variable once things have stabilized? • Look at each choice and ask: is this a general word, or is it the specific control-engineering term for a permanent steady-state difference?

✅ Before You Answer

• Identify which term in the choices is commonly defined as the steady-state difference between set point and controlled variable in a proportional-only system • Make sure you do not pick a term that just means "any difference" at any moment; you want the term for a stable, remaining error • Eliminate any answer that sounds like a generic label for a point or condition, instead of a specific control-system error term

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