Technician A says that the mainshaft and countershafts in twin and triple countershaft transmissions are mounted parallel to each other.Technician B says that in any multiple countershaft transmission,torque from the input shaft is routed first to the mainshaft,then to the countershafts.Who is correct?
A) Technician A only
B) Technician B only
C) Both A and B
D) Neither A nor B

Question

Quizplus · Accepted Answer

Technician A is correct because in twin and triple countershaft transmissions, the mainshaft and countershafts are indeed mounted parallel to each other. Technician B is incorrect because torque from the input shaft is typically routed first to the countershafts, which then drive the mainshaft, not the other way around.

Technician a Says That the Mainshaft and Countershafts in Twin