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Question 1 of 205eccefa3bacbc34ba4d4809c

What should be used in the cleaning of a D.C. propulsion motor's commutator face?

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5eccefa3bacbc34ba4d4809c

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What should be used in the cleaning of a D.C. propulsion motor's commutator face?

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🔍 Key Concepts

• Material compatibility with copper commutators • Effects of abrasive materials on electrical equipment • Purpose of commutator maintenance (smoothing, not scoring)

💭 Think About

• Which material will clean and smooth the commutator without embedding conductive or magnetic particles into the surface? • Which of these options is specifically designed for use on electrical rotating machinery, rather than general-purpose polishing? • What could happen to brushes and commutator segments if a material that sheds hard grit is used?

✅ Before You Answer

• Eliminate any choice that can leave embedded metal or abrasive particles in the commutator surface • Consider which material is standard practice in electrical maintenance manuals for D.C. motors • Ask whether the material will round and smooth the surface instead of scratching or grooving it

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Question 1 of 205eccefa3bacbc34ba4d4809c

What should be used in the cleaning of a D.C. propulsion motor's commutator face?

Back

Question 1 of 20

5eccefa3bacbc34ba4d4809c

Q

What should be used in the cleaning of a D.C. propulsion motor's commutator face?

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

• Material compatibility with copper commutators • Effects of abrasive materials on electrical equipment • Purpose of commutator maintenance (smoothing, not scoring)

💭 Think About

• Which material will clean and smooth the commutator without embedding conductive or magnetic particles into the surface? • Which of these options is specifically designed for use on electrical rotating machinery, rather than general-purpose polishing? • What could happen to brushes and commutator segments if a material that sheds hard grit is used?

✅ Before You Answer

• Eliminate any choice that can leave embedded metal or abrasive particles in the commutator surface • Consider which material is standard practice in electrical maintenance manuals for D.C. motors • Ask whether the material will round and smooth the surface instead of scratching or grooving it

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

— No credit card needed