Marine Electrical Systems USCG Question #732 (Set 25)

Assuming that the 3-phase power source has a phase sequence of A-B-C and that the motor is connected as shown in figure "A", if the motor has a clockwise (CW) rotation, what statement is true concerning the motors connected as shown in the other figures? EL-0156

USCG Exam Illustration EL-0156
USCG Examination Diagram: Illustration EL-0156
Official USCG Answer & Rule Citation

Correct Answer: Option B — Motors "B" and "D" would have a counterclockwise (CCW) rotation and motor "C" would have a clockwise (CW) rotation.

Under USCG National Maritime Center examination standards, the accepted correct answer is: Motors "B" and "D" would have a counterclockwise (CCW) rotation and motor "C" would have a clockwise (CW) rotation..

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