A four-pole, 60 cycle, squirrel-cage motor...

Question 1 / 205eccefa4bacbc34ba4d481ea

Question 1 of 205eccefa4bacbc34ba4d481ea

A four-pole, 60 cycle, squirrel-cage motor has a full load speed of 1725 RPM. What will be the percent of slip at full load?

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Question 1 of 20

5eccefa4bacbc34ba4d481ea

A four-pole, 60 cycle, squirrel-cage motor has a full load speed of 1725 RPM. What will be the percent of slip at full load?

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🔍 Key Concepts

• Synchronous speed of an AC motor and how it depends on frequency and number of poles • The definition of slip in an induction (squirrel‑cage) motor • Converting the slip formula into a percentage

💭 Think About

• First, calculate the motor’s synchronous speed using the given frequency and number of poles. What standard formula relates these? • Next, compare synchronous speed to the given full‑load speed. Is slip based on the difference or the ratio between these speeds? • Once you find slip as a decimal or fraction, how do you convert that to a percentage to match the answer choices?

✅ Before You Answer

• Make sure you are using RPM consistently for both synchronous speed and full‑load speed (no unit mix‑ups). • Verify that your slip formula matches: slip = (Ns − Nr) / Ns, where Ns is synchronous speed and Nr is rotor (actual) speed. • After converting to percent, check if your result is a small percentage (typical for full‑load slip in squirrel‑cage motors).

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Question 1 of 20

A four-pole, 60 cycle, squirrel-cage motor has a full load speed of 1725 RPM. What will be the percent of slip at full load?

01.04.2016

4.34

95.66

95.84

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Question 1 / 205eccefa4bacbc34ba4d481ea

Question 1 of 205eccefa4bacbc34ba4d481ea

A four-pole, 60 cycle, squirrel-cage motor has a full load speed of 1725 RPM. What will be the percent of slip at full load?

Back

Question 1 of 20

5eccefa4bacbc34ba4d481ea

A four-pole, 60 cycle, squirrel-cage motor has a full load speed of 1725 RPM. What will be the percent of slip at full load?

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