If a single-phase capacitor start induction...

Question 1 / 205eccefa4bacbc34ba4d48215

Question 1 of 205eccefa4bacbc34ba4d48215

If a single-phase capacitor start induction motor fails to start, but instead hums without starting, what is most likely to be the problem?

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Question 1 of 20

5eccefa4bacbc34ba4d48215

If a single-phase capacitor start induction motor fails to start, but instead hums without starting, what is most likely to be the problem?

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🔍 Key Concepts

• Starting circuit of a single-phase induction motor • Role of the start capacitor and auxiliary (start) winding • Symptoms of line power problems vs motor internal problems

💭 Think About

• Which component is only used during start and, if open, would prevent the motor from developing starting torque but still allow it to hum? • How would a tripped breaker or blown fuse affect the supply to the motor—would the motor still make any noise? • What would a shorted centrifugal switch tend to cause during or after start: no power, continuous start winding operation, or completely dead motor?

✅ Before You Answer

• Confirm whether line power is present to the motor—would a fuse or breaker problem allow humming? • Identify which choice directly affects the starting (auxiliary) winding circuit rather than the main power feed. • Think about what condition allows the main winding to energize (causing humming) while preventing the start winding from doing its job.

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Question 1 of 20

If a single-phase capacitor start induction motor fails to start, but instead hums without starting, what is most likely to be the problem?

an open start capacitor

a tripped circuit breaker

a shorted centrifugal switch

a blown fuse

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Question 1 / 205eccefa4bacbc34ba4d48215

Question 1 of 205eccefa4bacbc34ba4d48215

If a single-phase capacitor start induction motor fails to start, but instead hums without starting, what is most likely to be the problem?

Back

Question 1 of 20

5eccefa4bacbc34ba4d48215

If a single-phase capacitor start induction motor fails to start, but instead hums without starting, what is most likely to be the problem?

No comments yet

Be the first to share your thoughts!

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

🔍 Key Concepts

• Starting circuit of a single-phase induction motor • Role of the start capacitor and auxiliary (start) winding • Symptoms of line power problems vs motor internal problems

💭 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