NVQ L4 Refrigeration & AC Practice Questions - Sri Lanka NVQ Level 4 Refrigeration And Air Conditioning Technician Written Examination Exam

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A 4-pole AC induction motor is connected to a 50 Hz supply. If the rotor runs at an actual speed of 1440 RPM, what is the slip of the motor?

4.0% 2.0% 5.0% 6.0%

Correct Answer:

4.0%

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