Technician a says that a proper u-joint inspection can be done with the driveshaft in place on the vehicle. technician b says that you must remove the driveshaft to properly inspect the u-joints. who is wright?

TECHNICIAN B

Explanation: Drive shaft is an elongated part of the drive system made of steel of a vehicle that transmits the ENGINE TORQUE to the WHEELS of a vehicle. For proper inspection a technician is expected to completely remove the driveshaft to check all its compactment. It is  Cylindrical and usually used for REAR-WHEEL-VEHICLES. Drive shafts are known by different names like propeller shaft,Cardan shaft etc it has different types which range from

One-piece drive shaft ,Two-piece drive shaft  to Slip-in-tube drive shaft .

the part of the wave he is travelling on is the crest