A loud buzzing noise at the contacts of a...

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Question 1 of 205eccefa4bacbc34ba4d48511

A loud buzzing noise at the contacts of a magnetic controller could indicate what condition?

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5eccefa4bacbc34ba4d48511

A loud buzzing noise at the contacts of a magnetic controller could indicate what condition?

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🔍 Key Concepts

• How a magnetic controller closes and holds its contacts (armature pulled in by magnetic coil) • What typically causes a chattering or buzzing sound at electrical contacts • Difference between problems that affect contact pressure vs. problems that affect current or mechanical movement

💭 Think About

• Ask yourself: What condition would cause the contacts or armature to repeatedly pull in and release very rapidly instead of holding firmly? • Which option would most directly cause the magnet to be unable to hold a solid, steady engagement? • Which options are more likely to change the sound or smoothness of operation rather than just increasing current or causing heat?

✅ Before You Answer

• Identify which choice most directly affects how tightly and steadily the contacts are held together • Consider which condition is most likely to cause rapid vibration or chattering at the point where the contacts touch • Eliminate any options that would mainly show up as heat, overload protection tripping, or physical jamming rather than a buzzing sound

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Question 1 of 205eccefa4bacbc34ba4d48511

A loud buzzing noise at the contacts of a magnetic controller could indicate what condition?

Back

Question 1 of 20

5eccefa4bacbc34ba4d48511

A loud buzzing noise at the contacts of a magnetic controller could indicate what condition?

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