The pressuretrol which is installed on an...

Question 1 / 205eccefa3bacbc34ba4d47c61

Question 1 of 205eccefa3bacbc34ba4d47c61

The pressuretrol which is installed on an auxiliary boiler senses steam pressure changes and __________.

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Question 1 of 20

5eccefa3bacbc34ba4d47c61

The pressuretrol which is installed on an auxiliary boiler senses steam pressure changes and __________.

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🔍 Key Concepts

• Pressuretrol function on auxiliary boilers (what variable it senses and what it usually controls) • Difference between feedwater control, water level protection, and burner control devices • Role of safety devices like fusible plugs vs automatic control devices

💭 Think About

• Ask yourself: If a device is sensing steam pressure, which part of the boiler system needs to change in order to keep that pressure near a set point? • Which component normally responds to water level, and is that the same as the device that responds to pressure? • What happens first in normal automatic operation: does pressure directly change water level controls, or does it change how hard the burner is firing?

✅ Before You Answer

• Match the sensed variable (steam pressure) to the most logical controlled variable in the answer choices. • Eliminate any choices that clearly describe water-level or mechanical safety functions (think low-water cutout, high-water alarm, fusible plug). • Remember that a pressuretrol is an automatic pressure control, not a manual safety device that only acts in an emergency.

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Question 1 of 20

The pressuretrol which is installed on an auxiliary boiler senses steam pressure changes and __________.

controls the flow of feedwater to the boiler

monitors the boiler high water level

secures the fires when a fusible plug burns out

automatically regulates the quantity of oil and air flow to the burner

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Question 1 / 205eccefa3bacbc34ba4d47c61

Question 1 of 205eccefa3bacbc34ba4d47c61

The pressuretrol which is installed on an auxiliary boiler senses steam pressure changes and __________.

Back

Question 1 of 20

5eccefa3bacbc34ba4d47c61

The pressuretrol which is installed on an auxiliary boiler senses steam pressure changes and __________.

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

— No credit card needed