Bi-color water level indicators, connected...

Question 1 / 205eccefa0bacbc34ba4d46e33

Question 1 of 205eccefa0bacbc34ba4d46e33

Bi-color water level indicators, connected directly to the boiler drum, operate on the principle of __________.

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Question 1 of 20

5eccefa0bacbc34ba4d46e33

Bi-color water level indicators, connected directly to the boiler drum, operate on the principle of __________.

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🔍 Key Concepts

• bi-color water level gauge construction (two colored light sources shining through the water column) • physical differences between steam vs. water inside a boiler drum • optical properties: how light passes through one medium vs. another

💭 Think About

• If the gauge is connected directly to the drum and uses no added fluids, what physical difference between steam and water can an instrument use continuously and safely? • Ask yourself why the gauge shows two different colors at the water portion and the steam portion of the glass—what property of the two media is being exploited? • Which option describes something that can be used instantly and visually, without waiting for a reaction or change in pressure?

✅ Before You Answer

• Confirm that no extra chemical or special indicating fluid is normally added to a boiler water level gauge. • Think about whether pressure is actually different in the steam space and water space of the same drum, or essentially the same. • Focus on a property that would make a visual color change at the interface between water and steam possible.

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Question 1 of 20

Bi-color water level indicators, connected directly to the boiler drum, operate on the principle of __________.

different chemical properties of steam and water

special insoluble indicating fluids

different densities which result from the comparison of the varying steam pressure in the drum

different refractive properties of steam and water

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Question 1 / 205eccefa0bacbc34ba4d46e33

Question 1 of 205eccefa0bacbc34ba4d46e33

Bi-color water level indicators, connected directly to the boiler drum, operate on the principle of __________.

Back

Question 1 of 20

5eccefa0bacbc34ba4d46e33

Bi-color water level indicators, connected directly to the boiler drum, operate on the principle of __________.

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