Blocking rings are being discussed. Technician A says that during a gear shift, the blocking ring is pushed into the speed gear cone by the shifter plates or keys. Technician B says the blocking ring eliminates friction between the cone-shaped surface on the speed gear and the synchronizer assembly. 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 because during a gear shift, the blocking ring is indeed pushed into the speed gear cone by the shifter plates or keys to help synchronize the speeds. Technician B is incorrect because the blocking ring does not eliminate friction; it actually uses friction to help synchronize the speeds of the gears.

Blocking Rings Are Being Discussed