A standard grade of 3 inch steel pipe has an...

Question 1 / 205eccef9abacbc34ba4d450cd

Question 1 of 205eccef9abacbc34ba4d450cd

A standard grade of 3 inch steel pipe has an outside diameter of 3.5 inches and an inside diameter of 3.068 inches. What is the nominal size of steel pipe having an outside diameter of 4.0 inches and an inside diameter of 3.548 inches?

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🔍 Key Concepts

• Nominal pipe size vs. actual dimensions (outside and inside diameter) • How schedule (wall thickness) changes inside diameter while outside diameter often stays the same for a given nominal size • Using the given 3-inch pipe data to compare with the unknown pipe

💭 Think About

• Start by finding the wall thickness of the known 3-inch standard pipe from its given outside and inside diameters. How does that compare to the wall thickness of the unknown pipe? • Ask yourself: for the same nominal size, what usually stays constant—outside diameter or inside diameter? What changes when you go to heavier schedules? • Look at the choices: some are larger nominal sizes, others are different schedules of the same nominal size. Which type of change best matches the dimensional differences you calculate?

✅ Before You Answer

• Carefully compute wall thickness = (OD − ID) / 2 for BOTH pipes, using inches • Verify whether the outside diameters match closely enough to be considered the same nominal size • Confirm that a heavier schedule means a thicker wall and smaller inside diameter for the same outside diameter

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Question 1 of 20

3.5 inches

3.75 inches

3 inch nominal size pipe of schedule 80 thickness

3 inch nominal size pipe of schedule 160 thickness

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Question 1 / 205eccef9abacbc34ba4d450cd

Question 1 of 205eccef9abacbc34ba4d450cd

Back

Question 1 of 20

5eccef9abacbc34ba4d450cd

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?

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