When using the circular magnetic particle...

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Question 1 of 205eccef9bbacbc34ba4d45355

When using the circular magnetic particle method to nondestructively test a weldment, the best results are obtained when the __________.

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5eccef9bbacbc34ba4d45355

When using the circular magnetic particle method to nondestructively test a weldment, the best results are obtained when the __________.

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🔍 Key Concepts

• magnetic particle inspection principles (how magnetic flux leakage reveals defects) • Difference between circular magnetization (current through part) and longitudinal magnetization (coil around part) • Relationship between orientation of magnetic field lines and the direction of a crack or discontinuity

💭 Think About

• Think about how a surface or near-surface crack becomes visible when using magnetic particles. In which direction must the flux lines cross the crack to create strong leakage? • For the circular method, consider how the current flows and how that affects the shape and direction of the magnetic field inside the part. • Ask yourself: when do you get the strongest, most visible particle buildup – when the field runs along the length of the crack, or when it cuts across it?

✅ Before You Answer

• Be sure you know that with circular magnetization, the magnetic field lines run around (circumferentially) the current path. • Verify which option correctly describes a field that will cut across (not run along) a linear discontinuity. • Eliminate any choice where the field and the discontinuity are described as being in the same direction, because that produces weak or no indications.

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Study

Question 1 of 205eccef9bbacbc34ba4d45355

When using the circular magnetic particle method to nondestructively test a weldment, the best results are obtained when the __________.

Back

Question 1 of 20

5eccef9bbacbc34ba4d45355

When using the circular magnetic particle method to nondestructively test a weldment, the best results are obtained when the __________.

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