What would be the result of engaging two sliding clutches at the same time during the assembly of a twin-countershaft truck transmission?

A) mainshaft and countershafts rotate
B) mainshaft rotates,countershafts lock
C) countershafts lock,mainshaft rotates
D) countershafts and mainshaft lock

Sliding Clutches

Sliding clutches are components in a transmission that allow for the engagement and disengagement of gears during the gear shifting process.

Twin-countershaft

A design feature in transmissions where two countershafts work in parallel to distribute the load and allow for more gear ratios, enhancing performance and durability.

Transmission Assembly

A collection of components that transmit power from a vehicle's engine to its wheels, enabling the vehicle to move.