Technician A says that a compound planetary gear set is comprised of two gear sets that share a common member. Technician B says that some transmissions use a simple planetary gear set added to a compound gear set to gain additional gear ratios. Who is correct?
A)A only
B)B only
C)Both A and B
D)Neither A nor B

Question

Quizplus · Accepted Answer

Technician A is correct in stating that a compound planetary gear set consists of two gear sets that share a common member. Technician B is also correct that some transmissions use a simple planetary gear set in combination with a compound gear set to gain additional gear ratios. Therefore, both technicians are correct.

Technician a Says That a Compound Planetary Gear Set Is