In which of the situations listed will a...

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Question 1 of 205eccefa4bacbc34ba4d4840c

In which of the situations listed will a megohmmeter give the most accurate readings?

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5eccefa4bacbc34ba4d4840c

In which of the situations listed will a megohmmeter give the most accurate readings?

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🔍 Key Concepts

• Insulation resistance testing principles for electric motors and generators • Effect of temperature and moisture on insulation resistance readings • Why equipment is often de-energized and grounded before using a megohmmeter

💭 Think About

• When is the insulation in the most stable, undisturbed condition: during operation, during discharge, just before restart, or after some period of being shut down? • How does residual charge or static electricity in the windings affect a megohmmeter reading? • Why might grounding time before testing matter for accuracy and safety?

✅ Before You Answer

• Confirm that the equipment should be de-energized for a proper megohmmeter test • Consider whether any stored or static charges might still be present in the windings during each option • Think about how much time is needed for the machine to cool, normalize, and safely discharge before measuring insulation resistance

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Question 1 of 205eccefa4bacbc34ba4d4840c

In which of the situations listed will a megohmmeter give the most accurate readings?

Back

Question 1 of 20

5eccefa4bacbc34ba4d4840c

In which of the situations listed will a megohmmeter give the most accurate readings?

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