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10 Questions

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AC Motors Basics

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Questions and Answers

What is the main reason for the popularity of AC - Induction motors?

Simple design (correct)

High maintenance cost

Inability to connect directly to AC power source

Low power to weight ratio

Which component of the induction motor generates a magnetic field when electricity is supplied?

AC power source

Maintenance system

Rotor

Stator (correct)

What is the role of the rotor in an induction motor?

Generating electricity

Opposing the stator magnetic field (correct)

Connecting directly to AC power source

Providing maintenance support

What effect does the rotor current have on the induction motor?

It produces a second magnetic field Signup and view all the answers

What is the main advantage of an AC - Induction motor compared to a DC motor?

Direct connection to AC power source Signup and view all the answers

What does a higher number in the American Wire Gauge system indicate?

Smaller wire size Signup and view all the answers

What does the letter 'X' represent in wire insulation types?

Synthetic polymer that is flame-resistant Signup and view all the answers

What is the main function of the letters 'THHN' in wire insulation types?

Heat resistance Signup and view all the answers

What is the purpose of Cross-linked polyolefin (XLPO) in wire insulation?

Water-resistant Signup and view all the answers

Which material is a typical jacket material for wires?

Polyvinyl chloride (PVC) Signup and view all the answers