Technician A says that two U-joints are used on a driveshaft to ...

[sammy]

Technician A says that two U-joints are used on a driveshaft to prevent vibration. Technician B says that the more equal the U-joint angles, the less chance of driveshaft vibration. Which technician is correct?
 
  A) Technician A only B) Technician B only C) Both technicians D) Neither technician

Question 2

Technician A says that most experts recommend replacing all drum brake hardware including the springs every time the brake linings are replaced. Technician B says that the starwheel adjuster must be cleaned and lubricated to assure proper operation. Which technician is correct?
 
  A) Technician A only B) Technician B only C) Both technicians D) Neither technician

[swimkari]

Answer to Question 1

C

Answer to Question 2

C

[sammy]

Excellent

[pangili4]

Gracias!