Technician A says only one gear reduction forward gear can be provided by a single planetary gear set. Technician B says only one reverse gear can be provided by a single planetary gear set. Who is correct?
A)A only
B)B only
C)Both A and B
D)Neither A nor B

Question

Quizplus · Accepted Answer

Technician B is correct. A single planetary gear set can provide different gear reductions in forward and reverse directions.

Technician a Says Only One Gear Reduction Forward Gear Can