Technician A says the main gears are also called speed gears. Technician B says speed gears freewheel around the mainshaft until they are locked to it by the engagement of their shift synchronizer unit. Who is correct?
A)A only
B)B only
C)both A and B
D)neither A nor B

Question

Quizplus · Accepted Answer

Both statements are correct. The main gears in a transmission are indeed also referred to as speed gears, which correspond to the different speeds or gears the vehicle can be put into. Technician B is also correct in stating that these speed gears freewheel around the mainshaft until they are locked to it by the engagement of their shift synchronizer unit, which is how gear changes are smoothly facilitated in a manual transmission.

Technician a Says the Main Gears Are Also Called Speed