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The Highest Current Draw Is at Locked-Rotor (Zero RPM) Speed

Question 6

Multiple Choice

The highest current draw is at locked-rotor (zero RPM) speed for NEMA Design B motors, and does not start to drop off significantly until the rotor reaches ____ full-load speed.


A) 70-75%
B) 80-85%
C) 90-95%
D) 100%

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