What is the operating principle upon which a...

Question 1 / 2066636eee28f7522a1c51eec1

Question 1 of 2066636eee28f7522a1c51eec1

What is the operating principle upon which a bubble tube system operates in indicating liquid tank level?

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Question 1 of 20

66636eee28f7522a1c51eec1

What is the operating principle upon which a bubble tube system operates in indicating liquid tank level?

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🔍 Key Concepts

• Hydrostatic pressure increases with depth in a liquid • The bubble tube (bubbler) measures back pressure in an air line submerged in the liquid • Relationship between liquid level, depth of tube outlet, and measured pressure

💭 Think About

• Think about what happens to the pressure at the outlet of the tube as the liquid level rises higher over the tube opening. • Should the tube outlet be near the top or bottom of the tank if you want a level reading over the full range of the tank? • If pressure at depth gets larger as the liquid gets deeper, would that make the measured pressure proportional to or inversely related to the level?

✅ Before You Answer

• Remember that pressure in a static liquid increases with depth below the surface. • Identify where in the tank the tube outlet must be for the system to sense the maximum level change. • Check whether the correct statement must say proportional (increases together) or inversely related (one goes up while the other goes down).

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Question 1 of 20

What is the operating principle upon which a bubble tube system operates in indicating liquid tank level?

The air pressure required to force air bubbles into the liquid near the top of the tank is proportional to the liquid level in the tank.

The air pressure required to force air bubbles into the liquid near the bottom of the tank is inversely related to the liquid level in the tank.

The air pressure required to force air bubbles into the liquid near the bottom of the tank is proportional to the liquid level in the tank.

The air pressure required to force air bubbles into the liquid near the top of the tank is inversely related to the liquid level in the tank.

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Question 1 / 2066636eee28f7522a1c51eec1

Question 1 of 2066636eee28f7522a1c51eec1

What is the operating principle upon which a bubble tube system operates in indicating liquid tank level?

Back

Question 1 of 20

66636eee28f7522a1c51eec1

What is the operating principle upon which a bubble tube system operates in indicating liquid tank level?

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

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