GCC Factories Plant Engineering Exam Practice Questions - GCC Factories Engineer - Plant Engineering Examination (South Africa) Exam

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A 4-pole, 3-phase induction motor operates from a 50 Hz supply. If the actual rotor speed is measured at 1440 rpm, what is the slip of the motor?

4.0% 2.5% 5.0% 3.3%

Correct Answer:

4.0%

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