In a single-element feed water regulator,...

Question 1 / 270705eccefa0bacbc34ba4d46e4b

Question 1 of 270705eccefa0bacbc34ba4d46e4b

In a single-element feed water regulator, the amount of valve opening and closing is controlled by the __________.

Question 1 of 27070

In a single-element feed water regulator, the amount of valve opening and closing is controlled by the __________.

🔍 Key Concepts

• single-element feed water regulator basic function • difference between sensing drum level, steam pressure, and flow • how a simple control system uses one variable to move a control valve

💭 Think About

• Ask yourself: in the simplest, single-element system, what is the ONE thing being measured directly to position the feedwater valve? • Which of the listed choices is a direct indication of what you are trying to control, rather than an indirect effect? • If the boiler load suddenly changes, which variable on the list does a basic, older-style regulator actually sense to respond?

✅ Before You Answer

• Verify which choice represents a direct level-sensing element versus pressure or flow feedback. • Check your engineering knowledge: multielement regulators often use steam and feedwater flows, so what does the single-element design rely on? • Confirm that the variable you select would realistically be connected to a float, level transmitter, or similar device in a simple mechanical/electro-pneumatic system.

Question 1 of 27070

In a single-element feed water regulator, the amount of valve opening and closing is controlled by the __________.

water level in the drum

steam pressure in the drum

steam flow from the boiler

feed water flow to the boiler

Question 1 / 270705eccefa0bacbc34ba4d46e4b

Question 1 of 270705eccefa0bacbc34ba4d46e4b

In a single-element feed water regulator, the amount of valve opening and closing is controlled by the __________.

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Question 1 of 27070

In a single-element feed water regulator, the amount of valve opening and closing is controlled by the __________.