Two technicians are discussing the machining of brake drums. Technician A says that most brake drums cannot be machined more than 0.060 in. oversize. Technician B says that brake drums on a common axle should be machined to within 0.010 in. of each other. Which technician is correct?

Question

Quizplus · Accepted Answer

Both statements by Technician A and Technician B are correct. Technician A is correct in stating that most brake drums cannot be machined more than 0.060 inches oversize due to safety and integrity concerns. Technician B is correct in stating that brake drums on a common axle should be machined to within 0.010 inches of each other to ensure balanced braking and prevent pulling to one side.

Two Technicians Are Discussing the Machining of Brake Drums